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
2012-04-30 04:49:40 C 12 44 39.94 -13 14 08.6 r 703
2012-04-30 05:00:10 C 12 44 39.51 -13 14 02.9 r 703
2012-04-30 05:10:35 C 12 44 38.94 -13 13 58.9 r 703
2012-04-30 05:21:09 C 12 44 38.50 -13 13 52.8 r 703
2012-05-10 06:34:37 C 12 35 41.568 -11 18 25.01 L F51
2012-05-10 06:53:16 C 12 35 40.932 -11 18 16.44 L F51
2014-01-13 05:48:18 C 10 33 27.34 -17 30 55.8 u 807
2014-01-13 05:56:12 C 10 33 27.11 -17 30 56.2 u 807
2014-01-13 06:04:07 C 10 33 26.90 -17 30 56.8 u 807
2015-03-11 08:15:39 C 12 44 10.57 -19 42 35.6 u 807
2015-03-11 08:22:35 C 12 44 10.30 -19 42 34.2 u 807
2015-03-11 08:29:38 C 12 44 10.05 -19 42 32.5 u 807
2015-03-24 08:35:55 C 12 31 52.08 -18 18 59.5 R G45
2015-03-24 08:46:09 C 12 31 51.59 -18 18 56.3 R G45
2015-03-24 08:49:30 C 12 31 51.43 -18 18 56.0 R G45
2015-03-24 09:09:15 C 12 31 50.67 -18 18 49.3 R G45
2015-03-24 09:23:11 C 12 31 50.02 -18 18 44.6 R G45
2015-03-25 08:31:03 C 12 30 51.45 -18 11 12.1 R G45
2015-03-25 08:31:15 C 12 30 51.49 -18 11 13.5 q G96
2015-03-25 08:44:35 C 12 30 50.93 -18 11 09.3 q G96
2015-03-25 08:44:38 C 12 30 50.87 -18 11 08.4 R G45
2015-03-25 08:51:14 C 12 30 50.64 -18 11 06.8 q G96
2015-03-25 08:57:53 C 12 30 50.35 -18 11 04.7 q G96
2015-03-25 09:05:48 C 12 30 50.03 -18 11 01.4 R G45
2015-03-25 09:09:17 C 12 30 49.81 -18 11 00.4 R G45
2015-04-11 06:57:55 C 12 13 35.14 -15 36 38.3 q 703
2015-04-11 07:02:57 C 12 13 34.83 -15 36 35.4 q 703
2015-04-11 07:13:03 C 12 13 34.26 -15 36 30.2 q 703
2015-04-17 04:40:48 C 12 07 57.51 -14 36 07.8 R G45
2015-04-17 04:50:27 C 12 07 57.17 -14 36 04.2 R G45
2015-04-17 05:09:16 C 12 07 56.39 -14 35 56.0 R G45
2015-04-17 05:14:31 C 12 07 56.16 -14 35 53.7 R G45
2015-04-18 04:40:38 C 12 07 02.88 -14 25 44.3 R G45
2015-04-18 04:50:14 C 12 07 02.47 -14 25 41.2 R G45
2015-04-18 04:58:26 C 12 07 02.14 -14 25 37.3 R G45
2015-04-18 05:06:35 C 12 07 01.86 -14 25 34.2 R G45
2015-04-18 05:21:49 C 12 07 01.25 -14 25 27.0 R G45
2015-04-18 05:39:22 C 12 07 00.63 -14 25 19.8 R G45
2015-04-22 04:45:09 C 12 03 32.98 -13 44 06.2 R G45
2015-04-22 05:09:07 C 12 03 32.11 -13 43 55.2 R G45
2015-04-22 05:17:25 C 12 03 31.83 -13 43 51.3 R G45
2015-04-22 05:25:04 C 12 03 31.62 -13 43 48.2 R G45
2015-04-22 05:33:07 C 12 03 31.34 -13 43 43.8 R G45
2015-04-22 05:33:19 C 12 03 31.26 -13 43 44.2 R G45
2015-04-25 08:38:37 C 12 00 58.518 -13 11 17.51 L F51
2015-04-25 08:54:47 C 12 00 57.972 -13 11 10.60 L F51
2015-04-25 09:10:58 C 12 00 57.417 -13 11 03.73 L F51
2015-04-25 09:27:38 C 12 00 56.862 -13 10 56.53 L F51
2015-05-04 02:48:43 C 11 54 50.47 -11 43 00.7 u 807
2015-05-04 02:55:10 C 11 54 50.30 -11 42 58.1 u 807