143947 (2003 YQ117)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6543186556 ± 3.88e-09
Semi-major axis (a)2.1819666391 AU ± 8.08e-10
Inclination (i)21.02942583° ± 1.87e-07
Long. of Asc. Node (Ω)217.48876804° ± 7.24e-07
Arg. of Perihelion (ω)135.71577595° ± 6.55e-07
Mean Anomaly (M)348.18414502° ± 6.82e-07
Mean Motion (n)0.3058018559°/day ± 1.70e-10
Perihelion dist (q)0.75426516 AU ± 8.46e-09
Aphelion dist (Q)3.60966812 AU ± 8.56e-09
Orbital Period3.22308797 yr ± 1.79e-09
Physical Parameters
H (abs. magnitude)15.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.030″
Uncertainty0
Orbit TypeApollo
MOID0.103711 AU
Observations Used1871
Gaia Obs Used138
Oppositions10
Arc Total2002-2017
First Observation Used2002-03-15
Last Observation Used2025-06-18
Observations (2011)
Date Type RA Dec Mag Band Observatory
2022-12-13 23:26:59 C 05 03 46.294 -33 59 52.91 V M22
2022-12-14 20:52:38 C 05 02 58.236 -33 23 54.56 V M22
2022-12-14 20:55:14 C 05 02 58.118 -33 23 50.28 V M22
2022-12-14 20:59:58 C 05 02 57.924 -33 23 42.50 V M22
2022-12-14 21:51:11 C 05 02 55.690 -33 22 18.19 V M22
2022-12-16 04:47:21 C 05 01 50.892 -32 32 03.70 V W68
2022-12-16 04:52:19 C 05 01 50.695 -32 31 55.67 V W68
2022-12-16 04:59:50 C 05 01 50.400 -32 31 43.72 V W68
2022-12-16 05:04:01 C 05 01 50.232 -32 31 36.95 V W68
2022-12-17 07:01:23 C 05 01 02.82 -31 50 51.8 15.9 T35
2022-12-17 07:25:12 C 05 01 01.97 -31 50 15.4 15.9 T35
2022-12-17 07:57:58 C 05 01 00.78 -31 49 25.4 16.0 T35
2022-12-18 18:00:44 C 05 00 02.66 -30 57 45.2 q O51
2022-12-18 18:03:13 C 05 00 02.57 -30 57 41.3 q O51
2022-12-18 18:05:49 C 05 00 02.51 -30 57 37.5 q O51
2022-12-18 23:00:23 C 04 59 55.147 -30 50 03.70 V M22
2022-12-18 23:08:19 C 04 59 54.907 -30 49 51.78 V M22
2022-12-18 23:12:22 C 04 59 54.778 -30 49 45.77 V M22
2022-12-18 23:26:58 C 04 59 54.326 -30 49 23.84 V M22
2022-12-19 15:00:13 C 04 59 32.35 -30 26 39.9 q O51
2022-12-19 15:04:21 C 04 59 32.21 -30 26 33.8 q O51
2022-12-19 15:08:33 C 04 59 32.09 -30 26 27.6 q O51
2022-12-20 03:57:44 C 04 59 13.646 -30 07 33.02 V W68
2022-12-20 04:02:39 C 04 59 13.510 -30 07 26.00 V W68
2022-12-20 04:27:54 C 04 59 12.778 -30 06 49.32 V W68
2022-12-20 04:37:13 C 04 59 12.526 -30 06 35.71 V W68
2022-12-21 04:20:11 C 04 58 41.995 -29 32 36.02 V W68
2022-12-21 04:24:43 C 04 58 41.878 -29 32 29.72 V W68
2022-12-21 04:40:20 C 04 58 41.474 -29 32 07.37 V W68
2022-12-21 04:47:51 C 04 58 41.275 -29 31 56.75 V W68
2022-12-21 06:32:09 C 04 58 40.37 -29 29 32.0 16.1 T35
2022-12-21 07:00:38 C 04 58 39.67 -29 28 52.0 16.2 T35
2022-12-21 07:44:38 C 04 58 38.52 -29 27 50.7 16.0 T35
2022-12-21 22:16:10 C 04 58 20.904 -29 07 20.50 V M22
2022-12-21 22:20:43 C 04 58 20.796 -29 07 14.12 V M22
2022-12-21 22:28:30 C 04 58 20.606 -29 07 03.07 V M22
2022-12-21 22:44:30 C 04 58 20.232 -29 06 40.64 V M22
2022-12-22 01:13:59 C 04 58 18.32 -29 03 10.1 q 834
2022-12-22 01:44:11 C 04 58 17.57 -29 02 28.6 q 834
2022-12-22 22:02:01 C 04 57 55.709 -28 34 27.01 V M22
2022-12-22 22:06:33 C 04 57 55.610 -28 34 20.78 V M22
2022-12-22 22:14:09 C 04 57 55.440 -28 34 10.31 V M22
2022-12-22 22:28:44 C 04 57 55.121 -28 33 50.22 V M22
2022-12-24 02:24:41 C 04 57 29.62 -27 56 07.4 q X33
2022-12-24 02:27:11 C 04 57 29.58 -27 56 03.8 q X33
2022-12-24 02:29:42 C 04 57 29.59 -27 56 00.5 q X33
2022-12-25 03:43:22 C 04 57 09.348 -27 22 19.96 V W68
2022-12-25 03:48:33 C 04 57 09.276 -27 22 13.15 V W68
2022-12-25 04:35:42 C 04 57 08.460 -27 21 10.94 V W68
2022-12-25 04:43:05 C 04 57 08.326 -27 21 01.01 V W68