"Pseudo-MPEC" for P121pLi
Created 2024 Nov 5 18:31:07 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P121pLi C2023 11 13.56627607 58 29.966+38 53 35.08 ~B3E2x22.52GVNEOCPF52
P121pLi C2023 11 13.57734607 58 29.336+38 53 34.41 ~B3E2 23.35GVNEOCPF52
P121pLi C2023 11 13.58840807 58 28.673+38 53 34.64 ~B3E2 22.20GVNEOCPF52
P121pLi C2023 11 23.51780807 47 55.287+38 55 02.90 ~B3E2 22.25GVNEOCPF52
P121pLi C2023 11 23.52634807 47 54.659+38 55 02.88 ~B3E2 21.75GVNEOCPF52
P121pLi C2023 11 23.53492607 47 53.986+38 55 03.04 ~B3E2x21.70GVNEOCPF52
P121pLi C2023 11 25.39566407 45 39.105+38 54 51.68 ~B3E2x21.59GVNEOCPF51
P121pLi C2023 11 25.59740607 45 23.962+38 54 49.58 ~B3E2x22.46GVNEOCPF51
P121pLi C2023 11 25.60756707 45 23.213+38 54 48.88 ~B3E2 22.06GVNEOCPF51
P121pLi C2023 11 25.62676207 45 21.797+38 54 48.15 ~B3E2 22.22GVNEOCPF51
P121pLi C2023 12 06.53613307 30 28.096+38 48 06.58 ~B3E2 21.79GVNEOCPF52
P121pLi C2023 12 06.54793907 30 27.020+38 48 05.58 ~B3E2 22.01GVNEOCPF52
P121pLi C2023 12 06.55969107 30 25.973+38 48 05.29 ~B3E2 22.12GVNEOCPF52
P121pLi C2023 12 06.57141807 30 24.931+38 48 04.47 ~B3E2 21.65GVNEOCPF52
P121pLi C2023 12 13.38611807 19 50.229+38 37 27.20 ~B3E2 21.99GVNEOCPF52
P121pLi C2023 12 13.40929507 19 47.939+38 37 24.41 ~B3E2 21.33GVNEOCPF52
P121pLi C2023 12 13.42090407 19 46.747+38 37 23.16 ~B3E2x21.67GVNEOCPF52
P121pLi C2024 01 03.38396206 43 43.885+37 20 31.13 ~B3E2 21.47GVNEOCPF51
P121pLi C2024 01 03.39528406 43 42.692+37 20 27.35 ~B3E2 20.98GVNEOCPF51
P121pLi C2024 01 03.40663606 43 41.460+37 20 23.72 ~B3E2 20.97GVNEOCPF51
P121pLi C2024 01 03.41800706 43 40.248+37 20 20.16 ~B3E2 21.53GVNEOCPF51
P121pLi C2024 10 24.55554805 42 01.720+02 53 54.61 ~B312 20.42GVNEOCPF51
P121pLi* C2024 10 30.55150305 36 20.772+01 46 49.31 ~AUGl 20.81wXNEOCPF51
P121pLi C2024 10 30.56424405 36 20.011+01 46 40.79 ~AUGl 20.49wXNEOCPF51
P121pLi C2024 10 30.57693505 36 19.240+01 46 32.17 ~AUGl 20.44wXNEOCPF51
P121pLi C2024 10 30.58963405 36 18.459+01 46 23.81 ~AUGl 20.75wXNEOCPF51
P121pLi KC2024 10 31.05719705 35 50.35 +01 41 08.4 ~AV22 19.8 GVNEOCPL01
P121pLi KC2024 10 31.06042905 35 50.13 +01 41 06.1 ~AV22 20.1 GVNEOCPL01
P121pLi KC2024 10 31.06324305 35 49.94 +01 41 04.2 ~AV22 20.0 GVNEOCPL01
P121pLi mC2024 10 31.33577805 35 33.500+01 38 00.30 ~AV8l 20.88GVNEOCPI52
P121pLi mC2024 10 31.34078005 35 33.270+01 37 57.50 ~AV8l 20.65GVNEOCPI52
P121pLi mC2024 10 31.35038605 35 32.600+01 37 50.70 ~AV8l 20.22GVNEOCPI52
P121pLi 1C2024 10 31.35858605 35 32.043+01 37 47.84 ~B1L2 20.1 GVNEOCPW57
P121pLi 1C2024 10 31.73845 05 35 08.91 +01 33 31.9 ~B2H2 VNEOCPQ62
P121pLi 1C2024 10 31.74528 05 35 08.48 +01 33 27.0 ~B2H2 20.4 GVNEOCPQ62
P121pLi KC2024 11 01.30497905 34 34.19 +01 27 08.2 ~B182 20.8 GVNEOCPH21
P121pLi KC2024 11 01.30777405 34 34.02 +01 27 06.5 ~B182 20.9 GVNEOCPH21
P121pLi KC2024 11 01.31047705 34 33.84 +01 27 04.7 ~B182 21.1 GVNEOCPH21
P121pLi KC2024 11 01.98438 05 33 52.08 +01 19 30.1 ~B2BV VNEOCP587
P121pLi KC2024 11 01.98861 05 33 51.83 +01 19 27.3 ~B2BV 20.5 GVNEOCP587
P121pLi KB2024 11 02.16831505 33 40.54 +01 17 26.8 ~B25V 20.2 GVNEOCPI93
P121pLi KB2024 11 02.18369405 33 39.56 +01 17 16.1 ~B25V 19.7 GVNEOCPI93
P121pLi KB2024 11 02.19870905 33 38.61 +01 17 05.5 ~B25V VNEOCPI93
P121pLi KC2024 11 02.31356105 33 31.47 +01 15 48.8 ~B28H 20.4 GVNEOCPH21
P121pLi KC2024 11 02.31693305 33 31.26 +01 15 46.8 ~B28H 20.4 GVNEOCPH21
P121pLi KC2024 11 02.32085605 33 31.01 +01 15 44.0 ~B28H 20.4 GVNEOCPH21
P121pLi KC2024 11 03.02449 05 32 46.76 +01 07 50.4 ~B3Bl 19.8 RqNEOCP157
P121pLi KC2024 11 03.04572 05 32 45.35 +01 07 36.0 ~B3Bl 19.8 RqNEOCP157
P121pLi KC2024 11 03.06705905 32 44.01 +01 07 21.4 ~B332 VNEOCP104
P121pLi KC2024 11 03.08495005 32 42.89 +01 07 09.7 ~B332 20.0 GVNEOCP104
P121pLi 0B2024 11 03.12753205 32 40.111+01 06 42.52 ~B37V 19.9 VZNEOCPM49
P121pLi 0B2024 11 03.13037705 32 39.922+01 06 40.86 ~B37V 20.3 VZNEOCPM49
P121pLi 0B2024 11 03.13322505 32 39.727+01 06 38.70 ~B37V 19.5 VZNEOCPM49
P121pLi KC2024 11 03.20273 05 32 35.49 +01 05 50.5 ~B36V 20.2 GXNEOCPW62
P121pLi KC2024 11 03.22014 05 32 34.38 +01 05 39.0 ~B36V 19.9 GXNEOCPW62
P121pLi KC2024 11 03.23686 05 32 33.30 +01 05 27.9 ~B36V 20.1 GXNEOCPW62
P121pLi 3C2024 11 03.49757005 32 16.628+01 02 32.42 ~B3D2 20.16GVNEOCPT14
P121pLi 3C2024 11 03.49854805 32 16.564+01 02 31.72 ~B3D2 20.13GVNEOCPT14
P121pLi 3C2024 11 03.49953205 32 16.501+01 02 31.14 ~B3D2 20.03GVNEOCPT14
P121pLi C2024 11 03.59253005 32 10.491+01 01 28.55 ~B3I2 20.67wXNEOCPF51
P121pLi C2024 11 03.60473605 32 09.722+01 01 20.47 ~B3I2 20.45wXNEOCPF51
P121pLi C2024 11 03.61688205 32 08.934+01 01 12.43 ~B3I2 20.54wXNEOCPF51
P121pLi KC2024 11 04.06146 05 31 40.50 +00 56 13.5 ~B472 20.3 GVNEOCPG00
P121pLi KC2024 11 04.06988 05 31 39.96 +00 56 07.1 ~B472 20.6 GVNEOCPG00
P121pLi !C2024 11 05.30177 05 30 20.12 +00 42 19.4 ~B57l 21.1 GVNEOCP673
P121pLi !C2024 11 05.30796 05 30 19.76 +00 42 16.0 ~B57l VNEOCP673
Station data:
(104) San Marcello Pistoiese (N44.064178 E10.803750) Italy. Observers P.
Bacci, M. Maestripieri. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m
reflector + CCD.
(157) Frasso Sabino (N42.227534 E12.811700) Italy. Observers R. Haver, R.
Gorelli. Measurer R. Haver. 0.37-m f/6.70 Cassegrain + CCD.
(587) Sormano (N45.882946 E9.229180) Italy. Observers E. Colzani, E. Valli.
Measurer P. Sicoli. 0.5-m f/6.8 reflector + CCD.
(673) Table Mountain Observatory, Wrightwood (N34.381485 W117.682170)
US/California. Observers J. Chesley, J. Pittichova. Measurer W. M. Owen
Jr. 0.61-m f/16 reflector + CCD.
(F51) Pan-STARRS 1, Haleakala (N20.707234 W156.255910) US/Hawaii.
Observers J. Bulger, T. Lowe, A. Schultz, M. Willman. Measurers K.
Chambers, S. Chastel, T. de Boer, L. Denneau, J. Fairlamb, H. Flewelling,
M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R. Weryk.
1.8-m Ritchey-Chrétien + CCD.
(F52) Pan-STARRS 2, Haleakala (N20.707382 W156.255910) US/Hawaii.
Observers J. Bulger, T. Dukes, T. Lowe, A. Schultz, M. Willman. Measurers
K. Chambers, S. Chastel, T. de Boer, L. Denneau, J. Fairlamb, H.
Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
R. Weryk. 1.8-m Ritchey-Chrétien + CCD.
(G00) AZM Martinsberg, Oed (N48.381561 E15.126000) Austria. Observers M.
Jaeger, E. Prosperi, S. Prosperi. Measurer M. Jaeger. 0.28-m f/2.2
reflector + CCD.
(H21) Astronomical Research Observatory, Westfield (N39.483054 W87.968270)
US/Illinois. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
Linder, R. Holmes. 0.76-m f/3.0 astrograph + CCD0.81-m f/4.0 astrograph +
CCD0.61-m f/4.5 astrograph + CCD0.40-m f/5.32 astrograph + CCD.
(I52) Steward Observatory, Mt. Lemmon Station (N32.442570 W110.788920)
US/Arizona. Observers T. A. Pruyne, B. M. Africano, E. J. Christensen, G.
A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. A.
Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L.
Seaman, F. C. Shelly, K. W. Wierzchoś. 1.0-m prime focus + CCD.
(I93) St Pardon de Conques (N44.558670 W0.202960) France. Observers F.
Losse, W. D'Anna. Measurer F. Losse. 0.40-m f/3.7 reflector + CCD.
(L01) Višnjan Observatory, Tičan (N45.290897 E13.749300) Croatia.
Observers K. Korlević, D. Pujagic, V. Dobos. Measurers D. Pujagic, K.
Korlević. 1.0-m f/2.9 reflector + CCD.
(M49) IAS Remote Observatory, Hakos (S23.236549 E16.361720) Namibia.
Observers D. Husar, M. Junius. Measurer D. Husar. 0.25-m f/4.6 reflector +
CCD.
(Q62) iTelescope Observatory, Siding Spring (S31.273286 E149.064420)
Australia/NSW. Observer H. Sato. 0.51-m f/6.8 astrograph + CCD + f/4.5
focal reducer0.43-m f/6.8 astrograph + CCD + focal reducer0.43-m f/6.8
astrograph + CCD0.10-m f/5 astrograph + CCD0.127-m f/5.6 refractor +
CCD0.50-m f/6.8 reflector + CCD0.30-m f/9 reflector + CCD.
(T14) Mauna Kea-UH/Tholen NEO Follow-Up (CFHT) (N19.825252 W155.468876)
US/Hawaii. Observer R. Weryk. 3.6-m Canada-France-Hawaii Telescope.
(W57) ESA TBT La Silla Observatory (S29.255186 W70.739060) Chile. Observer
F. Ocaña. Measurers F. Ocana, M. Micheli. 0.56-m f/2.52 astrograph
prime-focus corrector + 4K CCD.
(W62) Comet Hunter Observatory2, New Ringgold (N40.745185 W75.862390)
US/Pennsylvania. Observer J. Maikner. 0.30-m f/3.8 Riccardi-Honders + CCD.
Orbital elements: P121pLi
Perihelion 2024 Jun 30.60970 +/- 0.0085 TT = 14:37:58 (JD 2460492.10970)
Epoch 2024 Nov 5.0 TT = JDT 2460619.5 Ju: 0.2689 AutoNEOCP
M 0.00710151 +/- 0.000042 (J2000 ecliptic)
n 0.00005574 +/- 3.36e-7 Peri. 188.07711 +/- 0.0010
a 678.671301 +/- 2.74 Node 270.25303 +/- 0.000044
e 0.9928744 +/- 2.86e-5 Incl. 128.73995 +/- 0.00009
P 17680 H 13.80 G 0.15 U 2.7
q 4.83593884 +/- 2.67e-5 Q 1352.50666 +/- 5.47
61 of 66 observations 2023 Nov. 13-2024 Nov. 5; mean residual 0".33
Residuals in arcseconds: 231113 F52( .13+ 1.1+) 241030 F51 .09- .06- 241102 H21 .03- .37+ 231113 F52 .17+ .18+ 241030 F51 .11+ .00 241102 H21 .05- .22+ 231113 F52 .17- .21+ 241030 F51 .11+ .07- 241103 157 .94+ .30+ 231123 F52 .05- .01- 241030 F51 .03- .12+ 241103 157 .16+ .19+ 231123 F52 .19- .03- 241031 L01 .00 .33+ 241103 104 .50+ .00 231123 F52( .82- .14+) 241031 L01 .34- .20+ 241103 104 .87+ .34+ 231125 F51( .22+ 1.5+) 241031 L01 .61- .20+ 241103 M49 .38+ .47- 231125 F51( .15- .77+) 241031 I52 .32- .52- 241103 M49 .29+ .21- 231125 F51 .03+ .19+ 241031 I52 .83+ .05+ 241103 M49 .10+ .45- 231125 F51 .36+ .30- 241031 I52 .37- .28- 241103 W62 .84+ .30+ 231206 F52 .13- .26- 241031 W57 .04+ .25+ 241103 W62 .91+ .51+ 231206 F52 .25- .45- 241031 Q62 .14+ .09+ 241103 W62 .78+ .66+ 231206 F52 .10- .07+ 241031 Q62 .02+ .21- 241103 T14 .13- .09- 231206 F52 .09+ .07+ 241101 H21 .15+ .35+ 241103 T14 .14- .13- 231213 F52 .26+ .15+ 241101 H21 .21+ .53+ 241103 T14 .13- .05- 231213 F52 .07- .03+ 241101 H21 .04+ .55+ 241103 F51 .15- .06- 231213 F52( .74- .13+) 241101 587 .06+ .05- 241103 F51 .15+ .07+ 240103 F51 .04+ .05+ 241101 587 .30+ .00 241103 F51 .11+ .21+ 240103 F51 .17+ .08- 241102 I93 .57+ .46+ 241104 G00 .09+ 1.0+ 240103 F51 .12- .04- 241102 I93 .43+ .11+ 241104 G00 .18+ .31+ 240103 F51 .15- .09+ 241102 I93 .39+ .38- 241105 673 .02- .28- 241024 F51 .02+ .07+ 241102 H21 .08- .10+ 241105 673 .71+ .47+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2024 11 05 19 05 29 47.875 +00 36 52.20 4.1720 4.9377 136.4 20.9 .020 56 2024 11 05 20 05 29 45.129 +00 36 24.26 4.1716 4.9377 136.5 20.9 .020 56 2024 11 05 21 05 29 42.382 +00 35 56.32 4.1713 4.9378 136.5 20.9 .020 56 2024 11 05 22 05 29 39.634 +00 35 28.39 4.1709 4.9379 136.6 20.9 .020 56 2024 11 05 23 05 29 36.884 +00 35 00.45 4.1706 4.9379 136.6 20.9 .021 56 2024 11 06 00 05 29 34.133 +00 34 32.52 4.1702 4.9380 136.6 20.9 .021 56 2024 11 06 01 05 29 31.380 +00 34 04.59 4.1698 4.9381 136.7 20.9 .021 56 2024 11 06 02 05 29 28.625 +00 33 36.66 4.1695 4.9381 136.7 20.9 .021 56 2024 11 06 03 05 29 25.869 +00 33 08.74 4.1691 4.9382 136.8 20.9 .022 56 2024 11 06 04 05 29 23.112 +00 32 40.82 4.1688 4.9383 136.8 20.9 .022 56 2024 11 06 05 05 29 20.352 +00 32 12.90 4.1684 4.9383 136.8 20.9 .022 56 2024 11 06 06 05 29 17.592 +00 31 44.98 4.1681 4.9384 136.9 20.9 .022 57 2024 11 06 07 05 29 14.830 +00 31 17.06 4.1677 4.9385 136.9 20.9 .023 57 2024 11 06 08 05 29 12.066 +00 30 49.15 4.1674 4.9385 137.0 20.9 .023 57 2024 11 06 09 05 29 09.301 +00 30 21.24 4.1671 4.9386 137.0 20.9 .023 57 2024 11 06 10 05 29 06.534 +00 29 53.33 4.1667 4.9387 137.1 20.9 .023 57 2024 11 06 11 05 29 03.766 +00 29 25.42 4.1664 4.9387 137.1 20.9 .024 57 2024 11 06 12 05 29 00.996 +00 28 57.52 4.1660 4.9388 137.1 20.9 .024 57 2024 11 06 13 05 28 58.224 +00 28 29.61 4.1657 4.9389 137.2 20.9 .024 57 2024 11 06 14 05 28 55.452 +00 28 01.72 4.1653 4.9389 137.2 20.9 .024 57 2024 11 06 15 05 28 52.677 +00 27 33.82 4.1650 4.9390 137.3 20.9 .025 57 2024 11 06 16 05 28 49.901 +00 27 05.92 4.1646 4.9391 137.3 20.9 .025 57 2024 11 06 17 05 28 47.124 +00 26 38.03 4.1643 4.9391 137.3 20.9 .025 57 2024 11 06 18 05 28 44.345 +00 26 10.14 4.1640 4.9392 137.4 20.9 .025 57 2024 11 06 19 05 28 41.565 +00 25 42.25 4.1636 4.9392 137.4 20.9 .026 57 2024 11 06 20 05 28 38.783 +00 25 14.37 4.1633 4.9393 137.5 20.9 .026 57 2024 11 06 21 05 28 35.999 +00 24 46.48 4.1629 4.9394 137.5 20.9 .026 57 2024 11 06 22 05 28 33.215 +00 24 18.60 4.1626 4.9394 137.6 20.9 .026 57 2024 11 06 23 05 28 30.428 +00 23 50.73 4.1623 4.9395 137.6 20.9 .027 57 2024 11 07 00 05 28 27.640 +00 23 22.85 4.1619 4.9396 137.6 20.9 .027 57 2024 11 07 01 05 28 24.851 +00 22 54.98 4.1616 4.9396 137.7 20.9 .027 57 2024 11 07 02 05 28 22.060 +00 22 27.11 4.1612 4.9397 137.7 20.9 .027 57 2024 11 07 03 05 28 19.268 +00 21 59.24 4.1609 4.9398 137.8 20.9 .028 57 2024 11 07 04 05 28 16.474 +00 21 31.38 4.1606 4.9398 137.8 20.9 .028 57 2024 11 07 05 05 28 13.678 +00 21 03.52 4.1602 4.9399 137.8 20.9 .028 58 2024 11 07 06 05 28 10.881 +00 20 35.66 4.1599 4.9400 137.9 20.9 .028 58 2024 11 07 07 05 28 08.083 +00 20 07.80 4.1596 4.9400 137.9 20.9 .029 58 2024 11 07 08 05 28 05.283 +00 19 39.94 4.1592 4.9401 138.0 20.9 .029 58 2024 11 07 09 05 28 02.482 +00 19 12.09 4.1589 4.9402 138.0 20.9 .029 58 2024 11 07 10 05 27 59.679 +00 18 44.24 4.1586 4.9402 138.1 20.9 .030 58 2024 11 07 11 05 27 56.875 +00 18 16.40 4.1582 4.9403 138.1 20.9 .030 58 2024 11 07 12 05 27 54.069 +00 17 48.56 4.1579 4.9404 138.1 20.9 .030 58 2024 11 07 13 05 27 51.262 +00 17 20.72 4.1576 4.9404 138.2 20.9 .030 58 2024 11 07 14 05 27 48.453 +00 16 52.88 4.1573 4.9405 138.2 20.9 .031 58 2024 11 07 15 05 27 45.643 +00 16 25.04 4.1569 4.9406 138.3 20.9 .031 58 2024 11 07 16 05 27 42.831 +00 15 57.21 4.1566 4.9406 138.3 20.9 .031 58 2024 11 07 17 05 27 40.018 +00 15 29.38 4.1563 4.9407 138.3 20.9 .031 58 2024 11 07 18 05 27 37.203 +00 15 01.56 4.1559 4.9408 138.4 20.9 .032 58