"Pseudo-MPEC" for X84979
Created 2025 Jan 12 16:31:08 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
X84979 C2024 12 31.44683623 26 05.54 -02 03 11.5 FixDup 20.6 RVNEOCPD29
X84979 * C2024 12 31.44683623 26 05.54 -02 03 11.5 Duplicate20.6 RVNEOCPD29
X84979 C2024 12 31.46097723 26 02.61 -02 02 31.2 ~1212 20.8 RVNEOCPD29
X84979 C2024 12 31.47511923 25 59.70 -02 01 50.7 ~1212 20.5 RVNEOCPD29
Station data:
(D29) Purple Mountain Observatory, XuYi Station (N32.734363 E118.463900)
China. Observers H. B. Zhao, B. Li, G. Zhaori, R. Q. Hong, L. F. Hu.
Measurers H. B. Zhao, B. Li. H. Lu, G. Zhaori. 1.04-m f/1.8 Schmidt + CCD.
Orbital elements: X84979
Perihelion 2025 Feb 23.64939 +/- 15.5 TT = 15:35:07 (JD 2460730.14939)
Epoch 2024 Dec 31.0 TT = JDT 2460675.5 Earth MOID: 0.0235 Me: 0.0538
M 286.92492935 +/- 47 (J2000 ecliptic) AutoNEOCP
n 1.33716166 +/- 0.961 Peri. 137.59509 +/- 49
a 0.81598111 +/- 0.391 Node 76.40975 +/- 15
e 0.5789814 +/- 0.187 Incl. 32.02436 +/- 55
P 0.737/269.222d H 20.27 G 0.15 U 12.7 SR
q 0.34354322 +/- 0.299 Q 1.28841899 +/- 13.7
From 4 observations 2024 Dec. 31 (40.7 min); mean residual 0".04
Residuals in arcseconds: 241231 D29 .02+ .02+ 241231 D29 .08- .08- 241231 D29 .02+ .02+ 241231 D29 .04+ .04+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2025 01 12 17 22 47 23.609 +05 58 16.10 .43616 .80984 54.2 21.6 513' 50 2025 01 12 18 22 47 15.708 +05 59 32.08 .43636 .80937 54.2 21.6 520' 50 2025 01 12 19 22 47 07.803 +06 00 47.91 .43656 .80891 54.1 21.6 526' 50 2025 01 12 20 22 46 59.897 +06 02 03.56 .43676 .80845 54.0 21.6 533' 51 2025 01 12 21 22 46 51.987 +06 03 19.06 .43696 .80798 54.0 21.6 539' 51 2025 01 12 22 22 46 44.075 +06 04 34.39 .43716 .80752 53.9 21.6 546' 51 2025 01 12 23 22 46 36.160 +06 05 49.55 .43736 .80705 53.9 21.6 553' 51 2025 01 13 00 22 46 28.242 +06 07 04.56 .43756 .80659 53.8 21.6 559' 52 2025 01 13 01 22 46 20.322 +06 08 19.39 .43776 .80612 53.8 21.6 566' 52 2025 01 13 02 22 46 12.399 +06 09 34.07 .43796 .80566 53.7 21.6 573' 52 2025 01 13 03 22 46 04.473 +06 10 48.58 .43816 .80519 53.6 21.6 580' 52 2025 01 13 04 22 45 56.544 +06 12 02.92 .43836 .80473 53.6 21.7 587' 53 2025 01 13 05 22 45 48.612 +06 13 17.10 .43856 .80426 53.5 21.7 594' 53 2025 01 13 06 22 45 40.678 +06 14 31.11 .43876 .80380 53.5 21.7 601' 53 2025 01 13 07 22 45 32.740 +06 15 44.96 .43896 .80333 53.4 21.7 608' 54 2025 01 13 08 22 45 24.800 +06 16 58.64 .43916 .80286 53.4 21.7 615' 54 2025 01 13 09 22 45 16.857 +06 18 12.16 .43936 .80240 53.3 21.7 622' 54 2025 01 13 10 22 45 08.910 +06 19 25.51 .43956 .80193 53.2 21.7 629' 54 2025 01 13 11 22 45 00.961 +06 20 38.69 .43976 .80146 53.2 21.7 637' 55 2025 01 13 12 22 44 53.009 +06 21 51.71 .43996 .80099 53.1 21.7 644' 55 2025 01 13 13 22 44 45.054 +06 23 04.56 .44016 .80053 53.1 21.7 651' 55 2025 01 13 14 22 44 37.096 +06 24 17.24 .44036 .80006 53.0 21.7 659' 55 2025 01 13 15 22 44 29.135 +06 25 29.76 .44056 .79959 53.0 21.7 666' 56 2025 01 13 16 22 44 21.170 +06 26 42.11 .44076 .79912 52.9 21.7 673' 56 2025 01 13 17 22 44 13.203 +06 27 54.29 .44096 .79865 52.8 21.7 680' 56 2025 01 13 18 22 44 05.232 +06 29 06.30 .44116 .79818 52.8 21.7 688' 57 2025 01 13 19 22 43 57.259 +06 30 18.15 .44136 .79771 52.7 21.7 695' 57 2025 01 13 20 22 43 49.282 +06 31 29.83 .44156 .79724 52.7 21.7 702' 57 2025 01 13 21 22 43 41.302 +06 32 41.33 .44176 .79677 52.6 21.7 709' 58 2025 01 13 22 22 43 33.319 +06 33 52.67 .44196 .79630 52.6 21.7 717' 58 2025 01 13 23 22 43 25.333 +06 35 03.84 .44216 .79583 52.5 21.7 724' 58 2025 01 14 00 22 43 17.343 +06 36 14.85 .44236 .79536 52.4 21.7 731' 58 2025 01 14 01 22 43 09.351 +06 37 25.68 .44256 .79489 52.4 21.7 738' 59 2025 01 14 02 22 43 01.355 +06 38 36.34 .44276 .79442 52.3 21.7 745' 59 2025 01 14 03 22 42 53.355 +06 39 46.83 .44296 .79395 52.3 21.7 752' 59 2025 01 14 04 22 42 45.353 +06 40 57.16 .44316 .79348 52.2 21.7 759' 60 2025 01 14 05 22 42 37.347 +06 42 07.31 .44336 .79301 52.2 21.7 766' 60 2025 01 14 06 22 42 29.337 +06 43 17.29 .44356 .79253 52.1 21.7 773' 60 2025 01 14 07 22 42 21.325 +06 44 27.10 .44376 .79206 52.0 21.7 780' 60 2025 01 14 08 22 42 13.309 +06 45 36.74 .44396 .79159 52.0 21.7 787' 61 2025 01 14 09 22 42 05.290 +06 46 46.21 .44417 .79112 51.9 21.7 794' 61 2025 01 14 10 22 41 57.267 +06 47 55.51 .44437 .79064 51.9 21.7 800' 61 2025 01 14 11 22 41 49.241 +06 49 04.64 .44457 .79017 51.8 21.7 807' 61 2025 01 14 12 22 41 41.211 +06 50 13.59 .44477 .78969 51.8 21.7 814' 62 2025 01 14 13 22 41 33.178 +06 51 22.37 .44497 .78922 51.7 21.7 820' 62 2025 01 14 14 22 41 25.141 +06 52 30.98 .44517 .78875 51.6 21.7 826' 62 2025 01 14 15 22 41 17.101 +06 53 39.42 .44537 .78827 51.6 21.7 833' 62 2025 01 14 16 22 41 09.057 +06 54 47.69 .44557 .78780 51.5 21.7 839' 63