412977 (1990 UO)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7727853676 ± 1.87e-07
Semi-major axis (a)1.2570512113 AU ± 4.29e-09
Inclination (i)31.59049413° ± 2.47e-05
Long. of Asc. Node (Ω)205.57040872° ± 7.70e-06
Arg. of Perihelion (ω)333.53177339° ± 1.50e-05
Mean Anomaly (M)250.27438154° ± 3.29e-05
Mean Motion (n)0.6993310640°/day ± 3.58e-09
Perihelion dist (q)0.28562043 AU ± 2.35e-07
Aphelion dist (Q)2.22848199 AU ± 2.35e-07
Orbital Period1.40938439 yr ± 7.21e-09
Physical Parameters
H (abs. magnitude)19.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.434″
Uncertainty0
Orbit TypeApollo
MOID0.204796 AU
Observations Used191
Oppositions10
Arc Total1990-2025
First Observation Used1990-10-22
Last Observation Used2025-11-11
Observations (206)
Date Type RA Dec Mag Band Observatory
2014-10-16 06:17:33 C 02 31 15.56 +10 01 36.5 o 691
2014-10-21 07:36:26 C 02 16 09.07 +05 48 14.7 q 703
2014-10-21 07:43:38 C 02 16 08.02 +05 47 57.9 q 703
2014-10-21 07:50:50 C 02 16 06.98 +05 47 41.0 q 703
2014-10-23 06:09:12 C 02 09 24.93 +03 55 56.6 R G45
2014-10-23 06:25:39 C 02 09 22.39 +03 55 15.5 R G45
2014-10-23 06:41:51 C 02 09 19.85 +03 54 34.8 R G45
2014-10-23 07:03:53 C 02 09 16.46 +03 53 39.4 R G45
2014-10-23 07:05:44 C 02 09 16.16 +03 53 34.9 R G45
2014-10-23 07:06:24 C 02 09 16.09 +03 53 33.1 R G45
2014-10-23 07:22:31 C 02 09 13.55 +03 52 52.9 R G45
2014-10-27 22:53:21 C 01 50 51.64 -01 10 31.7 q 461
2014-10-27 23:04:09 C 01 50 49.61 -01 11 05.8 q 461
2014-10-27 23:14:54 C 01 50 47.75 -01 11 34.0 q 461
2015-09-21 05:08:43 C 23 33 38.61 +24 45 52.8 u H21
2015-09-21 05:17:29 C 23 33 37.88 +24 45 45.6 u H21
2015-09-21 05:59:32 C 23 33 34.29 +24 45 12.0 u H21
2021-09-29 13:59:40 C 02 15 41.631 +19 31 02.76 U F52
2021-09-29 14:19:02 C 02 15 40.234 +19 30 47.30 U F52
2021-09-29 14:38:22 C 02 15 38.837 +19 30 32.20 U F52
2021-10-03 19:28:10 C 02 07 56.63 +18 03 31.6 V D29
2021-10-03 20:08:53 C 02 07 53.23 +18 02 52.6 V D29
2021-10-04 14:08:47 C 02 06 21.655 +17 45 34.47 U F51
2021-10-04 14:21:51 C 02 06 20.507 +17 45 21.46 U F51
2021-10-04 14:34:56 C 02 06 19.344 +17 45 08.63 U F51
2021-10-11 11:54:40 C 01 50 11.937 +14 37 40.85 U F51
2021-10-11 12:11:29 C 01 50 10.050 +14 37 19.06 U F51
2021-10-11 12:28:23 C 01 50 08.158 +14 36 57.13 U F51
2021-10-12 15:14:40 C 01 47 11.03 +14 01 34.9 V D29
2021-10-12 15:21:02 C 01 47 10.35 +14 01 26.9 V D29
2021-10-12 15:35:02 C 01 47 08.67 +14 01 07.6 V D29
2021-10-12 15:41:24 C 01 47 07.97 +14 00 59.5 V D29
2021-10-12 15:55:23 C 01 47 06.31 +14 00 41.3 V D29
2021-10-12 16:01:45 C 01 47 05.58 +14 00 32.5 V D29
2021-10-26 10:13:20 C 01 04 14.689 +04 57 47.18 U F51
2021-10-26 11:04:59 C 01 04 07.151 +04 56 09.34 U F51
2021-10-26 11:48:07 C 01 04 02.105 +04 54 57.17 V P07
2021-10-26 12:31:55 C 01 03 55.721 +04 53 36.74 V P07
2021-10-26 13:01:54 C 01 03 51.425 +04 52 39.11 V P07
2021-10-26 14:00:07 C 01 03 42.902 +04 50 48.77 V P07
2021-10-26 14:39:13 C 01 03 37.205 +04 49 33.85 V P07
2021-10-26 14:39:48 C 01 03 37.166 +04 49 33.74 V P07
2021-10-26 15:38:50 C 01 03 28.478 +04 47 42.11 V P07
2021-10-26 16:07:38 C 01 03 24.295 +04 46 47.32 V P07
2021-10-26 16:47:24 C 01 03 18.475 +04 45 33.05 V P07
2021-10-26 16:47:49 C 01 03 18.413 +04 45 31.46 V P07
2021-10-27 11:48:33 C 01 00 36.564 +04 09 22.86 V P07
2021-10-27 11:48:51 C 01 00 36.677 +04 09 21.24 V P07
2021-10-27 12:58:31 C 01 00 26.518 +04 07 08.00 V P07
2021-10-27 12:58:50 C 01 00 26.345 +04 07 07.61 V P07