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
2023-01-06 21:45:06 C 04 56 42.972 -21 16 13.51 V M22
2023-01-06 22:04:25 C 04 56 43.070 -21 15 52.06 V M22
2023-01-07 20:35:56 C 04 56 55.099 -20 51 24.01 V M22
2023-01-07 20:44:04 C 04 56 55.150 -20 51 15.37 V M22
2023-01-07 20:48:36 C 04 56 55.178 -20 51 10.40 V M22
2023-01-07 21:03:06 C 04 56 55.265 -20 50 54.89 V M22
2023-01-09 03:51:51 C 04 57 13.824 -20 17 55.21 V W68
2023-01-09 03:55:48 C 04 57 13.855 -20 17 50.96 V W68
2023-01-09 04:03:18 C 04 57 13.934 -20 17 43.04 V W68
2023-01-09 04:23:46 C 04 57 14.088 -20 17 21.19 V W68
2023-01-10 20:41:27 C 04 57 43.373 -19 35 00.56 V M22
2023-01-10 20:46:10 C 04 57 43.423 -19 34 55.56 V M22
2023-01-10 20:57:26 C 04 57 43.531 -19 34 43.90 V M22
2023-01-10 21:48:11 C 04 57 44.038 -19 33 51.08 V M22
2023-01-12 06:02:21 C 04 58 10.934 -19 00 49.57 V 703
2023-01-12 06:10:23 C 04 58 11.060 -19 00 41.36 V 703
2023-01-12 06:18:24 C 04 58 11.140 -19 00 32.90 V 703
2023-01-12 06:26:26 C 04 58 11.147 -19 00 25.92 V 703
2023-01-13 02:40:07 C 04 58 29.794 -18 39 38.59 V W68
2023-01-13 02:44:44 C 04 58 29.856 -18 39 34.02 V W68
2023-01-13 02:51:53 C 04 58 29.942 -18 39 27.04 V W68
2023-01-13 03:08:03 C 04 58 30.137 -18 39 10.48 V W68
2023-01-14 03:44:53 C 04 58 53.988 -18 14 25.80 V W68
2023-01-14 03:48:47 C 04 58 54.038 -18 14 22.06 V W68
2023-01-14 03:57:32 C 04 58 54.158 -18 14 13.16 V W68
2023-01-14 04:11:45 C 04 58 54.374 -18 13 58.87 V W68
2023-01-14 21:14:02 C 04 59 12.137 -17 57 01.98 V M22
2023-01-14 21:18:34 C 04 59 12.202 -17 56 57.62 V M22
2023-01-14 21:28:19 C 04 59 12.346 -17 56 47.83 V M22
2023-01-14 22:01:03 C 04 59 12.842 -17 56 15.29 V M22
2023-01-15 20:18:53 C 04 59 37.409 -17 34 18.77 V M22
2023-01-15 20:23:26 C 04 59 37.483 -17 34 14.16 V M22
2023-01-15 20:38:05 C 04 59 37.718 -17 33 59.87 V M22
2023-01-15 20:50:38 C 04 59 37.906 -17 33 47.77 V M22
2023-01-17 03:31:05 C 05 00 13.478 -17 04 00.34 V W68
2023-01-17 03:34:58 C 05 00 13.543 -17 03 56.88 V W68
2023-01-17 04:13:58 C 05 00 14.225 -17 03 19.01 V W68
2023-01-18 07:41:01 C 05 00 48.660 -16 37 12.56 U F52
2023-01-18 07:55:42 C 05 00 48.928 -16 36 58.56 U F52
2023-01-18 08:10:26 C 05 00 49.197 -16 36 44.58 U F52
2023-01-18 08:25:08 C 05 00 49.463 -16 36 30.56 U F52
2023-01-19 21:38:55 C 05 01 38.700 -16 01 18.41 V M22
2023-01-19 21:54:17 C 05 01 39.017 -16 01 03.94 V M22
2023-01-19 21:58:53 C 05 01 39.125 -16 00 59.47 V M22
2023-01-19 22:06:41 C 05 01 39.283 -16 00 52.24 V M22
2023-01-20 08:34:51 C 05 01 53.998 -15 51 18.00 V T05
2023-01-20 08:40:08 C 05 01 54.098 -15 51 13.00 V T05
2023-01-20 08:47:58 C 05 01 54.259 -15 51 05.72 V T05
2023-01-20 09:07:00 C 05 01 54.655 -15 50 48.01 V T05
2023-01-20 20:29:31 C 05 02 10.939 -15 40 07.97 V M22