"Pseudo-MPEC" for P21WLeu
Created 2024 Aug 2 23:22:16 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P21WLeu C2007 06 21.33828 20 03 53.63 -19 49 37.3 ~82JM 21.2 VoNEOCP691
P21WLeu C2007 06 21.35601 20 03 52.89 -19 49 29.6 ~82JM 21.4 VoNEOCP691
P21WLeu C2007 06 21.37375 20 03 52.10 -19 49 21.9 ~82JM 21.0 VoNEOCP691
P21WLeu 1C2020 01 03.25083 05 05 17.87 +34 32 18.7 ~82JM 21.4 GVNEOCPG96
P21WLeu 1C2020 01 03.25611 05 05 17.64 +34 32 15.1 ~82JM 21.1 GVNEOCPG96
P21WLeu 1C2020 01 03.26132 05 05 17.31 +34 32 11.4 ~82JM 22.1 GVNEOCPG96
P21WLeu C2024 06 15.54686221 50 39.784-01 26 39.12 ~82JM 21.54wXNEOCPF52
P21WLeu C2024 06 15.55949321 50 40.002-01 26 27.47 ~82JM 21.28wXNEOCPF52
P21WLeu C2024 06 15.57215021 50 40.205-01 26 15.71 ~82JM 21.30wXNEOCPF52
P21WLeu C2024 06 15.58480921 50 40.397-01 26 03.84 ~82JM 21.27wXNEOCPF52
P21WLeu C2024 07 01.54111321 52 14.687+02 46 23.37 ~82JM 21.33wXNEOCPF51
P21WLeu C2024 07 01.56692221 52 14.436+02 46 47.97 ~82JM 21.01wXNEOCPF51
P21WLeu C2024 07 01.57991821 52 14.319+02 47 00.39 ~82JM 20.92wXNEOCPF51
P21WLeu C2024 07 29.54391321 37 48.573+09 38 11.42 ~82I7 20.92GVNEOCPF51
P21WLeu C2024 07 29.54663021 37 48.419+09 38 13.47 ~82I7 20.02GVNEOCPF51
P21WLeu* C2024 08 01.38866321 35 14.412+10 13 12.40 ~81Gq 20.50wXNEOCPF52
P21WLeu C2024 08 01.39983821 35 13.758+10 13 20.43 ~81Gq 20.35wXNEOCPF52
P21WLeu C2024 08 01.41105121 35 13.107+10 13 28.52 ~81Gq 20.37wXNEOCPF52
P21WLeu KC2024 08 01.89633 21 34 45.893+10 19 13.04 ~8207 19.8 GVNEOCPJ57
P21WLeu KC2024 08 01.91046 21 34 45.089+10 19 22.87 ~8207 20.1 GVNEOCPJ57
P21WLeu KC2024 08 01.92358 21 34 44.347+10 19 32.12 ~8207 19.8 GVNEOCPJ57
P21WLeu KB2024 08 01.93189 21 34 43.848+10 19 44.80 ~82Bq 20.9 GXNEOCPL87
P21WLeu KB2024 08 01.93865 21 34 43.464+10 19 50.56 ~82Bq 20.5 GXNEOCPL87
P21WLeu KB2024 08 01.94539 21 34 42.907+10 19 53.47 ~82Bqx19.4 GXNEOCPL87
P21WLeu KC2024 08 02.33377521 34 20.70 +10 24 22.4 ~82Fb 20.6 GVNEOCPH21
P21WLeu KC2024 08 02.33661921 34 20.53 +10 24 24.4 ~82Fb 20.5 GVNEOCPH21
P21WLeu KC2024 08 02.33946321 34 20.37 +10 24 26.5 ~82Fb 20.6 GVNEOCPH21
P21WLeu KC2024 08 02.34230621 34 20.20 +10 24 28.6 ~82Fb 20.6 GVNEOCPH21
P21WLeu KC2024 08 02.34524521 34 20.02 +10 24 30.7 ~82Fb 20.6 GVNEOCPH21
P21WLeu KC2024 08 02.89116 21 33 49.18 +10 30 51.5 ~82MM 19.7 GVNEOCPC82
P21WLeu KC2024 08 02.90436 21 33 48.34 +10 31 01.3 ~82MM 19.4 GVNEOCPC82
Station data:
(691) Steward Observatory, Kitt Peak - Spacewatch (N31.962174 W111.600327)
US/Arizona. Observer J. V. Scotti. 0.9-m f/3 reflector + CCD.
(C82) Osservatorio Astronomico Nastro Verde, Sorrento (N40.618774
E14.357590) Italy. Observer N. Ruocco. 0.35-m f/6.3 Schmidt-Cassegrain +
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.
(G96) Mt. Lemmon Survey (N32.442729 W110.788720) US/Arizona. Observer E.
J. Christensen. 1.5-m reflector + 4K CCD + 10K 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.
(J57) Centro Astronómico Alto Turia, Valencia (N39.950156 W1.109110) Spain.
Observer A. Fornas. Measurers E. Arce, V. Mas, G. Fornas. 0.43-m f/6.8
reflector + CCD.
(L87) Moonbase South Observatory, Hakos (S23.236420 E16.361890) Namibia.
Observer G. Duszanowicz. 0.36-m f/7.7 reflector + CCD.
Orbital elements: P21WLeu
Perihelion 2024 Nov 20.11883 +/- 0.00101 TT = 2:51:07 (JD 2460634.61883)
Epoch 2024 Aug 2.0 TT = JDT 2460524.5 AutoNEOCP
M 340.55080497 +/- 0.00018 (J2000 ecliptic)
n 0.17662006 +/- 1.8e-8 Peri. 77.26525 +/- 0.00031
a 3.14612540 +/- 2.14e-7 Node 285.88195 +/- 0.00007
e 0.3432867 +/- 3.47e-7 Incl. 22.41093 +/- 0.000048
P 5.58038 H 17.46 G 0.15 U 1.2
q 2.06610225 +/- 1.01e-6 Q 4.22614855 +/- 1.29e-6
30 of 31 observations 2007 June 21-2024 Aug. 2; mean residual 0".28
Residuals in arcseconds: 070621 691 .43- .26+ 240701 F51 .01- .02+ 240801 L87 .98+ .36+ 070621 691 .17+ .10+ 240701 F51 .09+ .09+ 240801 L87( 1.4- 1.5-) 070621 691 .09+ .08- 240729 F51 .07+ .10- 240802 H21 .12- .10+ 200103 G96 .04+ .18+ 240729 F51 .01+ .10- 240802 H21 .15- .10+ 200103 G96 .45+ .17+ 240801 F52 .09- .04+ 240802 H21 .03- .21+ 200103 G96 .42- .01+ 240801 F52 .11- .00 240802 H21 .06- .31+ 240615 F52 .11- .23+ 240801 F52 .04- .01+ 240802 H21 .15- .35+ 240615 F52 .05+ .02+ 240801 J57 .59- .44+ 240802 C82 .63+ .47- 240615 F52 .01- .12- 240801 J57 .36- .17+ 240802 C82 .19- .11+ 240615 F52 .22- .14- 240801 J57 .04- .05+ 240701 F51 .09+ .07- 240801 L87 .75+ .58- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2024 08 02 23 21 33 45.056 +10 31 42.29 1.2600 2.1991 150.2 20.4 .041 23 2024 08 03 00 21 33 42.656 +10 32 11.21 1.2598 2.1990 150.2 20.4 .042 23 2024 08 03 01 21 33 40.253 +10 32 40.09 1.2596 2.1989 150.2 20.4 .042 23 2024 08 03 02 21 33 37.849 +10 33 08.95 1.2594 2.1988 150.2 20.4 .042 23 2024 08 03 03 21 33 35.443 +10 33 37.78 1.2592 2.1987 150.3 20.4 .042 23 2024 08 03 04 21 33 33.036 +10 34 06.58 1.2591 2.1987 150.3 20.4 .042 23 2024 08 03 05 21 33 30.627 +10 34 35.36 1.2589 2.1986 150.3 20.4 .042 23 2024 08 03 06 21 33 28.216 +10 35 04.11 1.2587 2.1985 150.3 20.4 .042 23 2024 08 03 07 21 33 25.804 +10 35 32.83 1.2585 2.1984 150.3 20.4 .042 23 2024 08 03 08 21 33 23.389 +10 36 01.53 1.2583 2.1983 150.4 20.4 .042 23 2024 08 03 09 21 33 20.974 +10 36 30.20 1.2581 2.1982 150.4 20.4 .042 23 2024 08 03 10 21 33 18.556 +10 36 58.84 1.2579 2.1981 150.4 20.4 .042 23 2024 08 03 11 21 33 16.137 +10 37 27.45 1.2577 2.1980 150.4 20.4 .043 23 2024 08 03 12 21 33 13.716 +10 37 56.04 1.2575 2.1979 150.4 20.4 .043 23 2024 08 03 13 21 33 11.293 +10 38 24.60 1.2574 2.1978 150.5 20.4 .043 23 2024 08 03 14 21 33 08.869 +10 38 53.13 1.2572 2.1977 150.5 20.4 .043 23 2024 08 03 15 21 33 06.444 +10 39 21.63 1.2570 2.1976 150.5 20.4 .043 23 2024 08 03 16 21 33 04.016 +10 39 50.11 1.2568 2.1975 150.5 20.4 .043 23 2024 08 03 17 21 33 01.587 +10 40 18.56 1.2566 2.1974 150.5 20.4 .043 23 2024 08 03 18 21 32 59.156 +10 40 46.98 1.2564 2.1973 150.5 20.4 .043 23 2024 08 03 19 21 32 56.724 +10 41 15.37 1.2562 2.1972 150.6 20.4 .043 23 2024 08 03 20 21 32 54.290 +10 41 43.74 1.2560 2.1971 150.6 20.4 .043 23 2024 08 03 21 21 32 51.855 +10 42 12.08 1.2559 2.1970 150.6 20.4 .043 23 2024 08 03 22 21 32 49.417 +10 42 40.39 1.2557 2.1969 150.6 20.4 .043 23 2024 08 03 23 21 32 46.979 +10 43 08.67 1.2555 2.1968 150.6 20.4 .044 23 2024 08 04 00 21 32 44.538 +10 43 36.93 1.2553 2.1968 150.7 20.4 .044 23 2024 08 04 01 21 32 42.096 +10 44 05.16 1.2551 2.1967 150.7 20.4 .044 23 2024 08 04 02 21 32 39.653 +10 44 33.36 1.2549 2.1966 150.7 20.4 .044 23 2024 08 04 03 21 32 37.208 +10 45 01.53 1.2548 2.1965 150.7 20.4 .044 23 2024 08 04 04 21 32 34.761 +10 45 29.68 1.2546 2.1964 150.7 20.4 .044 23 2024 08 04 05 21 32 32.313 +10 45 57.79 1.2544 2.1963 150.7 20.4 .044 23 2024 08 04 06 21 32 29.863 +10 46 25.88 1.2542 2.1962 150.8 20.4 .044 23 2024 08 04 07 21 32 27.412 +10 46 53.94 1.2540 2.1961 150.8 20.4 .044 23 2024 08 04 08 21 32 24.959 +10 47 21.98 1.2539 2.1960 150.8 20.4 .044 23 2024 08 04 09 21 32 22.504 +10 47 49.98 1.2537 2.1959 150.8 20.4 .044 23 2024 08 04 10 21 32 20.048 +10 48 17.96 1.2535 2.1958 150.8 20.4 .044 23 2024 08 04 11 21 32 17.591 +10 48 45.91 1.2533 2.1957 150.9 20.4 .045 23 2024 08 04 12 21 32 15.132 +10 49 13.83 1.2531 2.1956 150.9 20.4 .045 23 2024 08 04 13 21 32 12.671 +10 49 41.73 1.2530 2.1955 150.9 20.4 .045 23 2024 08 04 14 21 32 10.209 +10 50 09.59 1.2528 2.1954 150.9 20.4 .045 23 2024 08 04 15 21 32 07.745 +10 50 37.43 1.2526 2.1953 150.9 20.4 .045 23 2024 08 04 16 21 32 05.280 +10 51 05.24 1.2524 2.1952 150.9 20.4 .045 23 2024 08 04 17 21 32 02.813 +10 51 33.02 1.2522 2.1951 151.0 20.4 .045 23 2024 08 04 18 21 32 00.345 +10 52 00.77 1.2521 2.1951 151.0 20.4 .045 23 2024 08 04 19 21 31 57.875 +10 52 28.50 1.2519 2.1950 151.0 20.4 .045 23 2024 08 04 20 21 31 55.404 +10 52 56.19 1.2517 2.1949 151.0 20.4 .045 23 2024 08 04 21 21 31 52.932 +10 53 23.86 1.2515 2.1948 151.0 20.4 .045 23 2024 08 04 22 21 31 50.457 +10 53 51.50 1.2514 2.1947 151.0 20.4 .045 23