"Pseudo-MPEC" for OTg4993
Created 2025 Oct 17 3:35:13 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
OTg4993* C2025 10 12.70875001 34 57.719+03 41 52.61NearDup 21.70rWNEOCPO18
OTg4993 C2025 10 12.74871501 34 58.574+03 42 34.68 ~ADEo 22.06gWNEOCPO18
OTg4993 C2025 10 12.74994201 34 58.586+03 42 35.83 ~ADEo 22.14gWNEOCPO18
OTg4993 KC2025 10 15.19183301 36 28.61 +04 28 14.4 ~AF5K 21.8 GVNEOCPH21
OTg4993 KC2025 10 15.19770601 36 28.74 +04 28 21.8 ~AF5K 21.8 GVNEOCPH21
OTg4993 KC2025 10 15.20338501 36 28.88 +04 28 28.3 ~AF5K 21.7 GVNEOCPH21
OTg4993 |C2025 10 16.11927001 37 04.370+04 48 02.40 ~AG45 21.4 GVNEOCP807
OTg4993 |C2025 10 16.12803001 37 04.600+04 48 13.60 ~AG45 21.6 GVNEOCP807
OTg4993 |C2025 10 16.13707001 37 04.800+04 48 25.10 ~AG45 21.6 GVNEOCP807
Station data:
(807) Cerro Tololo Observatory, La Serena (S30.169133 W70.805900) Chile.
Observer R. Holmes. 0.61-m f/6.5 astrograph + 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.
(O18) WFST, Lenghu (N38.607601 E93.895220). Observers K. Yan, Z. Q. Li, J.
Z. Zhu, N. Jiang, Z. Y. Liu. Measurers B. Li, H. B. Zhao, Z. J. Xu, G. T.
Zhaori. 2.5-m f/2.48 reflector + CCD.
Orbital elements: OTg4993
Perihelion 2025 Nov 30.808228 +/- 0.213 TT = 19:23:50.8 (JD 2461010.308228)
Epoch 2025 Oct 16.0 TT = JDT 2460964.5 Earth MOID: 0.0954 Ma: 0.0231
M 343.115586833 +/- 0.35 (J2000 ecliptic) AutoNEOCP
n 0.368589092 +/- 0.00934 Peri. 33.448427 +/- 0.35
a 1.926523878 +/- 0.0325 Node 34.824289 +/- 0.046
e 0.44174282 +/- 0.00957 Incl. 3.782253 +/- 0.06
P 2.674/976.679d H 24.65 G 0.15 U 9.6
q 1.075495779 +/- 0.000866 Q 2.777551977 +/- 0.0653
From 9 observations 2025 Oct. 12-16; mean residual 0".11
Residuals in arcseconds: 251012 O18 .06+ .03+ 251015 H21 .04+ .13- 251016 807 .24- .11- 251012 O18 .07+ .05+ 251015 H21 .07- .22+ 251016 807 .16+ .02+ 251012 O18 .14- .09- 251015 H21 .05+ .09- 251016 807 .06+ .09+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2025 10 17 04 01 37 44.221 +05 10 05.11 .18284 1.1790 175.3 21.7 1.97 36 2025 10 17 05 01 37 45.885 +05 11 00.30 .18267 1.1788 175.3 21.7 2.04 36 2025 10 17 06 01 37 47.552 +05 11 55.60 .18250 1.1786 175.3 21.7 2.12 35 2025 10 17 07 01 37 49.221 +05 12 51.03 .18233 1.1785 175.3 21.7 2.19 35 2025 10 17 08 01 37 50.893 +05 13 46.58 .18216 1.1783 175.3 21.7 2.27 35 2025 10 17 09 01 37 52.566 +05 14 42.24 .18199 1.1781 175.3 21.7 2.35 35 2025 10 17 10 01 37 54.243 +05 15 38.03 .18182 1.1779 175.4 21.7 2.42 35 2025 10 17 11 01 37 55.921 +05 16 33.93 .18165 1.1777 175.4 21.7 2.50 35 2025 10 17 12 01 37 57.603 +05 17 29.95 .18148 1.1776 175.4 21.7 2.59 35 2025 10 17 13 01 37 59.286 +05 18 26.10 .18131 1.1774 175.4 21.7 2.67 35 2025 10 17 14 01 38 00.972 +05 19 22.36 .18114 1.1772 175.4 21.7 2.75 34 2025 10 17 15 01 38 02.661 +05 20 18.74 .18097 1.1770 175.4 21.7 2.84 34 2025 10 17 16 01 38 04.352 +05 21 15.25 .18080 1.1769 175.5 21.6 2.92 34 2025 10 17 17 01 38 06.046 +05 22 11.87 .18064 1.1767 175.5 21.6 3.01 34 2025 10 17 18 01 38 07.742 +05 23 08.62 .18047 1.1765 175.5 21.6 3.10 34 2025 10 17 19 01 38 09.441 +05 24 05.49 .18030 1.1763 175.5 21.6 3.19 34 2025 10 17 20 01 38 11.143 +05 25 02.48 .18013 1.1762 175.5 21.6 3.28 34 2025 10 17 21 01 38 12.847 +05 25 59.59 .17996 1.1760 175.5 21.6 3.37 34 2025 10 17 22 01 38 14.554 +05 26 56.82 .17979 1.1758 175.5 21.6 3.46 34 2025 10 17 23 01 38 16.263 +05 27 54.18 .17963 1.1756 175.6 21.6 3.56 34 2025 10 18 00 01 38 17.975 +05 28 51.66 .17946 1.1754 175.6 21.6 3.66 34 2025 10 18 01 01 38 19.689 +05 29 49.26 .17929 1.1753 175.6 21.6 3.75 33 2025 10 18 02 01 38 21.407 +05 30 46.99 .17912 1.1751 175.6 21.6 3.85 33 2025 10 18 03 01 38 23.127 +05 31 44.83 .17896 1.1749 175.6 21.6 3.95 33 2025 10 18 04 01 38 24.849 +05 32 42.81 .17879 1.1747 175.6 21.6 4.05 33 2025 10 18 05 01 38 26.575 +05 33 40.90 .17862 1.1746 175.6 21.6 4.16 33 2025 10 18 06 01 38 28.303 +05 34 39.12 .17846 1.1744 175.7 21.6 4.26 33 2025 10 18 07 01 38 30.034 +05 35 37.47 .17829 1.1742 175.7 21.6 4.36 33 2025 10 18 08 01 38 31.768 +05 36 35.93 .17812 1.1740 175.7 21.6 4.47 33 2025 10 18 09 01 38 33.504 +05 37 34.53 .17796 1.1739 175.7 21.6 4.58 33 2025 10 18 10 01 38 35.243 +05 38 33.24 .17779 1.1737 175.7 21.6 4.69 33 2025 10 18 11 01 38 36.985 +05 39 32.09 .17763 1.1735 175.7 21.6 4.80 33 2025 10 18 12 01 38 38.730 +05 40 31.06 .17746 1.1733 175.7 21.6 4.91 33 2025 10 18 13 01 38 40.478 +05 41 30.15 .17729 1.1732 175.7 21.6 5.02 33 2025 10 18 14 01 38 42.228 +05 42 29.37 .17713 1.1730 175.8 21.6 5.14 33 2025 10 18 15 01 38 43.982 +05 43 28.72 .17696 1.1728 175.8 21.6 5.25 33 2025 10 18 16 01 38 45.738 +05 44 28.19 .17680 1.1727 175.8 21.6 5.37 33 2025 10 18 17 01 38 47.497 +05 45 27.79 .17663 1.1725 175.8 21.6 5.49 32 2025 10 18 18 01 38 49.260 +05 46 27.52 .17647 1.1723 175.8 21.6 5.61 32 2025 10 18 19 01 38 51.025 +05 47 27.37 .17631 1.1721 175.8 21.6 5.73 32 2025 10 18 20 01 38 52.793 +05 48 27.35 .17614 1.1720 175.8 21.6 5.85 32 2025 10 18 21 01 38 54.564 +05 49 27.46 .17598 1.1718 175.8 21.6 5.98 32 2025 10 18 22 01 38 56.338 +05 50 27.69 .17581 1.1716 175.8 21.6 6.10 32 2025 10 18 23 01 38 58.115 +05 51 28.06 .17565 1.1714 175.9 21.6 6.23 32 2025 10 19 00 01 38 59.895 +05 52 28.55 .17549 1.1713 175.9 21.6 6.36 32 2025 10 19 01 01 39 01.678 +05 53 29.17 .17532 1.1711 175.9 21.6 6.49 32 2025 10 19 02 01 39 03.464 +05 54 29.92 .17516 1.1709 175.9 21.5 6.62 32 2025 10 19 03 01 39 05.253 +05 55 30.80 .17500 1.1707 175.9 21.5 6.75 32