"Pseudo-MPEC" for P12i4dH
Created 2025 Dec 4 16:35:08 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12i4dH* C2025 11 28.52121204 55 20.830+09 07 13.49 ~BSF5 21.25wXNEOCPF51
P12i4dH* C2025 11 28.52250804 55 20.678+09 07 15.76 ~BSF5 21.64wXNEOCPF51
P12i4dH C2025 11 28.53310604 55 19.446+09 07 32.67 ~BSF5 21.75wXNEOCPF51
P12i4dH C2025 11 28.53440304 55 19.290+09 07 34.90 ~BSF5 21.53wXNEOCPF51
P12i4dH C2025 11 28.54500504 55 18.067+09 07 51.91 ~BSF5 21.55wXNEOCPF51
P12i4dH C2025 11 28.54630304 55 17.909+09 07 53.89 ~BSF5 21.86wXNEOCPF51
P12i4dH C2025 11 28.55692704 55 16.680+09 08 11.01 ~BSF5 21.80wXNEOCPF51
P12i4dH C2025 11 28.55822504 55 16.525+09 08 12.96 ~BSF5 21.63wXNEOCPF51
P12i4dH C2025 11 28.62155904 55 09.263+09 09 54.36 ~BSIo 21.03GVNEOCPF51
P12i4dH C2025 11 28.62222004 55 09.174+09 09 55.23 ~BSIo 21.31GVNEOCPF51
P12i4dH C2025 11 28.63807104 55 07.357+09 10 20.74 ~BSIo 21.12GVNEOCPF51
P12i4dH C2025 11 28.63872304 55 07.302+09 10 21.83 ~BSIo 21.22GVNEOCPF51
P12i4dH KC2025 11 29.32281504 53 51.072+09 28 48.25 ~BT8o 21.02GVNEOCPI52
P12i4dH KC2025 11 29.33715604 53 49.387+09 29 11.51 ~BT8o 21.44GVNEOCPI52
P12i4dH KC2025 12 01.47062604 49 43.885+10 27 56.74 ~C1Bo 21.89GVNEOCPI52
P12i4dH KC2025 12 01.47372604 49 43.504+10 28 01.45 ~C1Bo 21.47GVNEOCPI52
Station data:
(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.
(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: P12i4dH
Perihelion 2026 Jan 29.023227 +/- 4.9 TT = 0:33:26.8 (JD 2461069.523227)
Epoch 2025 Dec 1.0 TT = JDT 2461010.5 Earth MOID: 0.6739 AutoNEOCP
M 337.410734152 +/- 1.4 (J2000 ecliptic)
n 0.382718244 +/- 0.00944 Peri. 18.103987 +/- 2.3
a 1.878811770 +/- 0.0309 Node 79.671692 +/- 0.16
e 0.12104089 +/- 0.00839 Incl. 28.311398 +/- 0.7
P 2.575/940.622d H 20.60 G 0.15 U 9.6
q 1.651398719 +/- 0.012 Q 2.106224821 +/- 0.0502
From 16 observations 2025 Nov. 28-Dec. 1; mean residual 0".10
Residuals in arcseconds: 251128 F51 .07+ .20- 251128 F51 .06- .12+ 251129 I52 .02+ .07+ 251128 F51 .05+ .00 251128 F51 .13- .01- 251129 I52 .05+ .00 251128 F51 .03+ .07- 251128 F51 .17+ .04+ 251201 I52 .08+ .22+ 251128 F51 .05- .08+ 251128 F51 .03- .15- 251201 I52 .10- .24- 251128 F51 .04+ .11+ 251128 F51 .17- .01+ 251128 F51 .07- .01+ 251128 F51 .12+ .05+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2025 12 04 17 04 43 21.586 +12 00 06.02 .69203 1.6710 169.7 21.4 2.41 101 2025 12 04 18 04 43 16.593 +12 01 18.23 .69199 1.6710 169.7 21.4 2.46 101 2025 12 04 19 04 43 11.600 +12 02 30.48 .69195 1.6710 169.7 21.4 2.51 101 2025 12 04 20 04 43 06.604 +12 03 42.74 .69191 1.6710 169.8 21.4 2.56 101 2025 12 04 21 04 43 01.608 +12 04 55.03 .69188 1.6709 169.8 21.4 2.61 101 2025 12 04 22 04 42 56.610 +12 06 07.35 .69184 1.6709 169.8 21.4 2.67 101 2025 12 04 23 04 42 51.611 +12 07 19.69 .69180 1.6709 169.8 21.4 2.72 102 2025 12 05 00 04 42 46.611 +12 08 32.06 .69176 1.6708 169.8 21.4 2.77 102 2025 12 05 01 04 42 41.610 +12 09 44.45 .69173 1.6708 169.8 21.4 2.83 102 2025 12 05 02 04 42 36.607 +12 10 56.86 .69169 1.6708 169.8 21.4 2.89 102 2025 12 05 03 04 42 31.604 +12 12 09.30 .69165 1.6708 169.8 21.4 2.94 102 2025 12 05 04 04 42 26.599 +12 13 21.76 .69162 1.6707 169.8 21.4 3.00 102 2025 12 05 05 04 42 21.593 +12 14 34.24 .69158 1.6707 169.9 21.4 3.06 102 2025 12 05 06 04 42 16.586 +12 15 46.75 .69155 1.6707 169.9 21.4 3.12 102 2025 12 05 07 04 42 11.577 +12 16 59.28 .69151 1.6706 169.9 21.4 3.18 103 2025 12 05 08 04 42 06.568 +12 18 11.83 .69148 1.6706 169.9 21.4 3.24 103 2025 12 05 09 04 42 01.557 +12 19 24.41 .69145 1.6706 169.9 21.4 3.30 103 2025 12 05 10 04 41 56.546 +12 20 37.00 .69142 1.6706 169.9 21.4 3.36 103 2025 12 05 11 04 41 51.533 +12 21 49.63 .69138 1.6705 169.9 21.4 3.42 103 2025 12 05 12 04 41 46.519 +12 23 02.27 .69135 1.6705 169.9 21.4 3.48 103 2025 12 05 13 04 41 41.505 +12 24 14.94 .69132 1.6705 169.9 21.4 3.55 103 2025 12 05 14 04 41 36.489 +12 25 27.62 .69129 1.6704 169.9 21.4 3.61 103 2025 12 05 15 04 41 31.472 +12 26 40.33 .69126 1.6704 169.9 21.4 3.68 103 2025 12 05 16 04 41 26.454 +12 27 53.07 .69123 1.6704 169.9 21.4 3.74 103 2025 12 05 17 04 41 21.435 +12 29 05.82 .69121 1.6704 169.9 21.4 3.81 104 2025 12 05 18 04 41 16.415 +12 30 18.59 .69118 1.6703 169.9 21.4 3.88 104 2025 12 05 19 04 41 11.395 +12 31 31.39 .69115 1.6703 169.9 21.4 3.95 104 2025 12 05 20 04 41 06.373 +12 32 44.21 .69112 1.6703 170.0 21.4 4.01 104 2025 12 05 21 04 41 01.350 +12 33 57.05 .69110 1.6702 170.0 21.4 4.08 104 2025 12 05 22 04 40 56.327 +12 35 09.91 .69107 1.6702 170.0 21.4 4.15 104 2025 12 05 23 04 40 51.302 +12 36 22.79 .69104 1.6702 170.0 21.4 4.22 104 2025 12 06 00 04 40 46.277 +12 37 35.69 .69102 1.6702 170.0 21.4 4.30 104 2025 12 06 01 04 40 41.251 +12 38 48.61 .69099 1.6701 170.0 21.4 4.37 104 2025 12 06 02 04 40 36.224 +12 40 01.55 .69097 1.6701 170.0 21.4 4.44 104 2025 12 06 03 04 40 31.196 +12 41 14.52 .69095 1.6701 170.0 21.4 4.52 104 2025 12 06 04 04 40 26.167 +12 42 27.50 .69092 1.6700 170.0 21.4 4.59 104 2025 12 06 05 04 40 21.138 +12 43 40.50 .69090 1.6700 170.0 21.4 4.67 105 2025 12 06 06 04 40 16.107 +12 44 53.52 .69088 1.6700 170.0 21.4 4.74 105 2025 12 06 07 04 40 11.076 +12 46 06.57 .69086 1.6700 170.0 21.4 4.82 105 2025 12 06 08 04 40 06.044 +12 47 19.63 .69084 1.6699 170.0 21.4 4.90 105 2025 12 06 09 04 40 01.011 +12 48 32.71 .69081 1.6699 170.0 21.4 4.97 105 2025 12 06 10 04 39 55.978 +12 49 45.81 .69079 1.6699 170.0 21.4 5.05 105 2025 12 06 11 04 39 50.944 +12 50 58.93 .69078 1.6698 170.0 21.4 5.13 105 2025 12 06 12 04 39 45.909 +12 52 12.07 .69076 1.6698 170.0 21.4 5.21 105 2025 12 06 13 04 39 40.873 +12 53 25.22 .69074 1.6698 170.0 21.4 5.30 105 2025 12 06 14 04 39 35.837 +12 54 38.40 .69072 1.6698 169.9 21.4 5.38 105 2025 12 06 15 04 39 30.800 +12 55 51.59 .69070 1.6697 169.9 21.4 5.46 105 2025 12 06 16 04 39 25.762 +12 57 04.80 .69069 1.6697 169.9 21.4 5.55 105