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
2002-03-15 11:33:21 C 12 16 11.03 -18 42 25.4 r 644
2002-04-08 06:15:14 C 11 52 54.51 -15 22 44.2 r 644
2002-04-08 06:43:35 C 11 52 53.33 -15 22 32.4 r 644
2002-04-08 07:13:16 C 11 52 52.13 -15 22 20.3 r 644
2002-04-19 05:05:40 C 11 43 34.33 -13 33 55.9 r 644
2002-04-19 05:36:19 C 11 43 33.29 -13 33 43.9 r 644
2002-04-19 06:04:58 C 11 43 32.40 -13 33 30.7 r 644
2003-12-26 14:11:34 C 09 34 27.49 -16 20 12.0 20.4 c 608
2003-12-26 14:26:58 C 09 34 26.98 -16 20 16.0 20.1 c 608
2003-12-26 14:43:07 C 09 34 26.40 -16 20 19.6 20.7 c 608
2003-12-27 11:53:55 C 09 33 43.72 -16 25 07.3 c 474
2003-12-27 11:56:19 C 09 33 43.65 -16 25 08.9 c 474
2003-12-27 12:01:49 C 09 33 43.54 -16 25 10.0 c 474
2003-12-27 12:06:59 C 09 33 43.34 -16 25 13.0 c 474
2003-12-27 12:14:49 C 09 33 43.15 -16 25 13.5 c 474
2003-12-27 23:55:30 C 09 33 18.78 -16 27 55.7 c A50
2003-12-28 00:00:33 C 09 33 18.37 -16 27 58.3 c A50
2003-12-28 00:05:36 C 09 33 18.27 -16 27 58.6 c A50
2003-12-28 00:10:41 C 09 33 18.20 -16 28 00.2 c A50
2003-12-29 07:29:29 C 09 32 10.79 -16 34 36.4 r H36
2003-12-29 07:40:34 C 09 32 10.46 -16 34 38.1 r H36
2003-12-29 07:53:37 C 09 32 09.95 -16 34 42.6 r H36
2004-01-01 14:38:30 C 09 29 07.49 -16 48 51.5 c 474
2004-01-01 14:42:05 C 09 29 07.32 -16 48 52.3 c 474
2004-01-01 14:46:14 C 09 29 07.13 -16 48 52.9 c 474
2004-01-01 14:54:10 C 09 29 06.79 -16 48 54.4 c 474
2004-01-02 12:16:39 C 09 28 14.28 -16 52 10.1 c 474
2004-01-02 12:26:49 C 09 28 13.88 -16 52 11.3 c 474
2004-01-02 12:34:50 C 09 28 13.51 -16 52 12.5 c 474
2004-01-03 08:45:44 C 09 27 22.48 -16 55 08.4 19.5 c 704
2004-01-03 09:25:30 C 09 27 20.71 -16 55 13.8 19.3 c 704
2004-01-03 09:46:41 C 09 27 19.79 -16 55 17.1 19.2 c 704
2004-01-06 09:47:45 C 09 24 08.90 -17 03 23.6 c 926
2004-01-06 09:52:23 C 09 24 08.71 -17 03 23.3 c 926
2004-01-06 09:56:57 C 09 24 08.48 -17 03 23.5 c 926
2004-01-19 09:54:26 C 09 08 13.04 -17 00 35.2 20.3 c 608
2004-01-19 10:10:07 C 09 08 12.13 -17 00 33.3 20.3 c 608
2004-01-19 10:26:07 C 09 08 11.23 -17 00 31.9 20.3 c 608
2004-03-11 09:00:05 C 08 14 54.97 -08 59 52.6 c 474
2004-03-11 09:03:24 C 08 14 54.86 -08 59 51.5 c 474
2004-03-11 09:07:14 C 08 14 54.81 -08 59 50.3 c 474
2004-03-11 09:10:04 C 08 14 54.79 -08 59 47.9 c 474
2004-03-11 09:14:44 C 08 14 54.67 -08 59 45.6 c 474
2005-02-17 15:12:07 C 11 58 49.25 -19 28 13.8 F65
2005-02-17 15:15:13 C 11 58 49.15 -19 28 13.3 F65
2005-02-17 15:18:18 C 11 58 49.05 -19 28 13.2 F65
2005-04-09 07:04:18 C 11 13 59.15 -13 40 06.5 r 448
2005-04-09 07:31:23 C 11 13 58.35 -13 39 55.8 r 448
2005-04-09 07:55:26 C 11 13 57.59 -13 39 46.2 r 448
2006-03-05 12:13:00 C 16 18 13.06 -20 09 53.0 r G96