"Pseudo-MPEC" for P12gXXI
Created 2025 Nov 9 8:35:06 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12gXXI* C2025 11 01.53985104 17 12.660+02 30 17.17 ~B1Go 21.72wXNEOCPF51
P12gXXI C2025 11 01.55221804 17 11.431+02 30 28.53 ~B1Go 21.87wXNEOCPF51
P12gXXI C2025 11 01.56436804 17 10.214+02 30 40.04 ~B1Go 21.62wXNEOCPF51
P12gXXI C2025 11 01.57649204 17 09.014+02 30 50.93 ~B1Go 21.41wXNEOCPF51
P12gXXI KC2025 11 02.27782904 16 01.44 +02 41 43.6 ~B27K 21.6 GVNEOCPH21
P12gXXI KC2025 11 02.28216204 16 00.99 +02 41 47.9 ~B27K 21.4 GVNEOCPH21
P12gXXI KC2025 11 02.29082904 16 00.09 +02 41 56.3 ~B27K 21.9 GVNEOCPH21
P12gXXI KC2025 11 02.29988404 15 59.400+02 42 04.64 ~B27o 22.33GVNEOCPI52
P12gXXI KC2025 11 02.30452604 15 58.950+02 42 09.68 ~B27o 21.82GVNEOCPI52
P12gXXI KC2025 11 02.30917904 15 58.478+02 42 13.36 ~B27o 21.86GVNEOCPI52
P12gXXI KC2025 11 02.31382804 15 58.003+02 42 18.79 ~B27o 20.34GVNEOCPI52
P12gXXI KC2025 11 03.27689404 14 23.428+02 57 26.03 ~B385 21.33GVNEOCPI52
P12gXXI KC2025 11 03.28794004 14 22.315+02 57 36.94 ~B385 20.89GVNEOCPI52
P12gXXI KC2025 11 03.30423804 14 20.634+02 57 52.34 ~B385 21.74GVNEOCPI52
P12gXXI KC2025 11 03.31355204 14 19.698+02 58 01.27 ~B385 20.87GVNEOCPI52
P12gXXI KC2025 11 08.47097 04 05 31.69 +04 21 39.5 ~B8Co 21.4 RVNEOCP691
P12gXXI KC2025 11 08.48284 04 05 30.39 +04 21 51.0 ~B8Co VNEOCP691
P12gXXI KC2025 11 08.49472 04 05 29.14 +04 22 03.2 ~B8Co 21.5 RVNEOCP691
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.
(F51) Pan-STARRS 1, Haleakala (N20.707234 W156.255910) US/Hawaii.
Observers J. Herman, T. Lowe, P. Minguez, A. Schultz, I. Smith. Measurers
K. Chambers, T. de Boer, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, E.
Magnier, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chrétien +
CCD.
(H21) Astronomical Research Observatory, Westfield (N39.483054 W87.968270)
US/Illinois. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
Linder, R. Holmes. 0.40-m f/5.32 astrograph + CCD.
(I52) Steward Observatory, Mt. Lemmon Station (N32.442570 W110.788920)
US/Arizona. Measurers T. Beuden, V. F. Carvajal, D. Fay, J. B. Fazekas, D.
C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. K. Hogan, 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.
Orbital elements: P12gXXI
Perihelion 2025 Jun 24.622718 +/- 2.73 TT = 14:56:42.8 (JD 2460851.122718)
Epoch 2025 Nov 8.0 TT = JDT 2460987.5 Earth MOID: 0.6526 AutoNEOCP
M 32.485558123 +/- 0.10 (J2000 ecliptic)
n 0.238203590 +/- 0.00486 Peri. 264.345232 +/- 0.58
a 2.577332879 +/- 0.035 Node 68.227454 +/- 0.42
e 0.44984262 +/- 0.00164 Incl. 27.281455 +/- 1.1
P 4.13767 H 19.73 G 0.15 U 9.2
q 1.417938704 +/- 0.0218 Q 3.736727054 +/- 0.0487
From 18 observations 2025 Nov. 1-8; mean residual 0".28
Residuals in arcseconds: 251101 F51 .10- .03+ 251102 H21 .20- .73+ 251103 I52 .00 .10- 251101 F51 .00 .10- 251102 I52 .02- .38- 251103 I52 .25- .18- 251101 F51 .06- .13+ 251102 I52 .24+ .31+ 251103 I52 .01- .10- 251101 F51 .07+ .24- 251102 I52 .18+ .38- 251108 691 .16+ .03+ 251102 H21 .44+ .22+ 251102 I52 .08+ .68+ 251108 691 .25- .23- 251102 H21 .23+ .46+ 251103 I52 .20- .52- 251108 691 .08+ .19+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2025 11 09 09 04 03 56.932 +04 36 45.70 .92806 1.8884 159.6 21.6 .421 105 2025 11 09 10 04 03 52.535 +04 37 27.39 .92815 1.8886 159.7 21.6 .445 106 2025 11 09 11 04 03 48.136 +04 38 09.09 .92824 1.8888 159.7 21.6 .470 107 2025 11 09 12 04 03 43.736 +04 38 50.81 .92833 1.8890 159.8 21.6 .496 108 2025 11 09 13 04 03 39.335 +04 39 32.53 .92843 1.8893 159.8 21.6 .522 108 2025 11 09 14 04 03 34.933 +04 40 14.26 .92852 1.8895 159.9 21.6 .548 109 2025 11 09 15 04 03 30.529 +04 40 56.01 .92861 1.8897 159.9 21.6 .575 110 2025 11 09 16 04 03 26.125 +04 41 37.77 .92871 1.8899 160.0 21.6 .603 110 2025 11 09 17 04 03 21.720 +04 42 19.54 .92880 1.8901 160.0 21.6 .631 111 2025 11 09 18 04 03 17.313 +04 43 01.32 .92890 1.8904 160.1 21.6 .659 111 2025 11 09 19 04 03 12.906 +04 43 43.11 .92899 1.8906 160.1 21.6 .688 111 2025 11 09 20 04 03 08.497 +04 44 24.91 .92909 1.8908 160.2 21.6 .717 112 2025 11 09 21 04 03 04.088 +04 45 06.72 .92919 1.8910 160.2 21.6 .747 112 2025 11 09 22 04 02 59.677 +04 45 48.54 .92928 1.8912 160.2 21.6 .778 112 2025 11 09 23 04 02 55.266 +04 46 30.37 .92938 1.8915 160.3 21.6 .808 113 2025 11 10 00 04 02 50.853 +04 47 12.22 .92948 1.8917 160.3 21.6 .840 113 2025 11 10 01 04 02 46.440 +04 47 54.07 .92958 1.8919 160.4 21.6 .872 113 2025 11 10 02 04 02 42.026 +04 48 35.93 .92968 1.8921 160.4 21.6 .904 113 2025 11 10 03 04 02 37.610 +04 49 17.81 .92978 1.8924 160.5 21.6 .937 114 2025 11 10 04 04 02 33.194 +04 49 59.69 .92988 1.8926 160.5 21.6 .970 114 2025 11 10 05 04 02 28.777 +04 50 41.59 .92998 1.8928 160.6 21.6 1.00 114 2025 11 10 06 04 02 24.359 +04 51 23.50 .93008 1.8930 160.6 21.6 1.04 114 2025 11 10 07 04 02 19.940 +04 52 05.41 .93018 1.8932 160.7 21.6 1.07 114 2025 11 10 08 04 02 15.520 +04 52 47.34 .93028 1.8935 160.7 21.6 1.11 115 2025 11 10 09 04 02 11.099 +04 53 29.27 .93038 1.8937 160.8 21.6 1.14 115 2025 11 10 10 04 02 06.677 +04 54 11.22 .93049 1.8939 160.8 21.6 1.18 115 2025 11 10 11 04 02 02.255 +04 54 53.18 .93059 1.8941 160.8 21.6 1.22 115 2025 11 10 12 04 01 57.831 +04 55 35.14 .93070 1.8943 160.9 21.6 1.25 115 2025 11 10 13 04 01 53.407 +04 56 17.12 .93080 1.8946 160.9 21.6 1.29 115 2025 11 10 14 04 01 48.982 +04 56 59.11 .93090 1.8948 161.0 21.6 1.33 115 2025 11 10 15 04 01 44.556 +04 57 41.10 .93101 1.8950 161.0 21.6 1.37 115 2025 11 10 16 04 01 40.130 +04 58 23.11 .93112 1.8952 161.1 21.6 1.41 115 2025 11 10 17 04 01 35.702 +04 59 05.12 .93122 1.8954 161.1 21.6 1.45 116 2025 11 10 18 04 01 31.274 +04 59 47.15 .93133 1.8957 161.2 21.6 1.49 116 2025 11 10 19 04 01 26.845 +05 00 29.18 .93144 1.8959 161.2 21.6 1.53 116 2025 11 10 20 04 01 22.415 +05 01 11.23 .93154 1.8961 161.3 21.6 1.57 116 2025 11 10 21 04 01 17.984 +05 01 53.28 .93165 1.8963 161.3 21.6 1.61 116 2025 11 10 22 04 01 13.553 +05 02 35.35 .93176 1.8965 161.3 21.6 1.65 116 2025 11 10 23 04 01 09.121 +05 03 17.42 .93187 1.8968 161.4 21.6 1.70 116 2025 11 11 00 04 01 04.688 +05 03 59.50 .93198 1.8970 161.4 21.6 1.74 116 2025 11 11 01 04 01 00.254 +05 04 41.59 .93209 1.8972 161.5 21.6 1.78 116 2025 11 11 02 04 00 55.820 +05 05 23.69 .93220 1.8974 161.5 21.6 1.83 116 2025 11 11 03 04 00 51.385 +05 06 05.80 .93231 1.8977 161.6 21.6 1.87 116 2025 11 11 04 04 00 46.950 +05 06 47.92 .93242 1.8979 161.6 21.6 1.92 116 2025 11 11 05 04 00 42.513 +05 07 30.05 .93254 1.8981 161.7 21.6 1.96 116 2025 11 11 06 04 00 38.077 +05 08 12.19 .93265 1.8983 161.7 21.6 2.01 116 2025 11 11 07 04 00 33.639 +05 08 54.34 .93276 1.8985 161.8 21.6 2.06 116 2025 11 11 08 04 00 29.201 +05 09 36.49 .93288 1.8988 161.8 21.6 2.10 116