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
2015-05-04 03:01:53 C 11 54 50.12 -11 42 55.2 u 807
2015-05-18 06:50:30 C 11 48 25.279 -09 36 17.77 L F51
2015-05-18 07:06:40 C 11 48 25.064 -09 36 12.36 L F51
2015-05-18 07:22:48 C 11 48 24.845 -09 36 06.94 L F51
2016-12-01 09:53:40 C 10 05 52.09 -13 00 03.3 R G45
2016-12-01 10:00:35 C 10 05 52.19 -13 00 06.4 R G45
2016-12-01 10:07:33 C 10 05 52.23 -13 00 09.0 R G45
2016-12-01 10:22:08 C 10 05 52.29 -13 00 14.8 R G45
2016-12-01 10:28:59 C 10 05 52.36 -13 00 17.9 R G45
2017-01-20 12:26:18 C 09 39 57.223 -17 12 34.19 L F51
2017-01-20 12:42:08 C 09 39 56.467 -17 12 33.19 L F51
2017-01-20 12:57:58 C 09 39 55.705 -17 12 32.20 L F51
2017-01-20 13:13:48 C 09 39 54.948 -17 12 31.17 L F51
2017-02-01 05:42:46 C 09 26 05.73 -16 33 06.0 V G45
2017-02-01 05:47:29 C 09 26 05.46 -16 33 04.8 V G45
2017-02-01 06:45:04 C 09 26 02.53 -16 32 53.5 V G45
2017-02-01 06:45:31 C 09 26 02.45 -16 32 52.7 V G45
2017-02-01 07:45:18 C 09 25 59.38 -16 32 39.9 V G45
2017-02-01 09:58:04 C 09 25 52.48 -16 32 10.1 V G45
2017-02-01 10:57:04 C 09 25 49.41 -16 31 57.4 V G45
2017-02-03 07:45:31 C 09 23 32.96 -16 21 35.1 q G96
2017-02-03 08:09:07 C 09 23 31.69 -16 21 29.2 q G96
2017-02-03 08:30:47 C 09 23 30.58 -16 21 24.2 q G96
2017-02-03 08:51:44 C 09 23 29.52 -16 21 18.4 q G96
2017-02-05 07:32:51 C 09 21 07.41 -16 09 24.3 q G96
2017-02-05 07:54:40 C 09 21 06.27 -16 09 18.4 q G96
2017-02-05 08:16:23 C 09 21 05.16 -16 09 12.5 q G96
2017-02-05 08:38:20 C 09 21 03.97 -16 09 06.5 q G96
2017-02-21 02:25:31 C 09 03 01.14 -13 58 14.3 V G45
2017-02-21 02:50:18 C 09 03 00.01 -13 58 03.9 V G45
2017-02-21 03:23:51 C 09 02 58.57 -13 57 49.9 V G45
2017-02-21 04:07:46 C 09 02 56.60 -13 57 32.3 V G45
2017-02-21 04:59:45 C 09 02 54.29 -13 57 11.1 V G45
2017-02-21 04:59:55 C 09 02 54.37 -13 57 10.9 V G45
2017-02-21 05:59:40 C 09 02 51.72 -13 56 45.5 V G45
2017-02-21 06:58:24 C 09 02 49.10 -13 56 22.0 V G45
2017-02-21 08:10:07 C 09 02 45.92 -13 55 52.8 V G45
2017-03-02 06:23:02 C 08 54 22.15 -12 22 38.1 q G96
2017-03-02 06:29:13 C 08 54 21.94 -12 22 34.9 q G96
2017-03-02 06:35:21 C 08 54 21.72 -12 22 32.2 q G96
2017-03-02 06:41:29 C 08 54 21.51 -12 22 29.5 q G96
2017-04-11 06:02:03 C 08 41 09.744 -05 36 59.75 L F51
2017-04-11 06:19:09 C 08 41 09.844 -05 36 54.00 L F51
2017-04-11 06:36:16 C 08 41 09.948 -05 36 48.21 L F51
2019-04-20 14:21:20 C 19 19 11.68 -04 44 29.2 V T05
2019-04-20 14:35:20 C 19 19 13.46 -04 44 11.0 V T05
2019-04-20 14:49:26 C 19 19 15.21 -04 43 51.7 V T05
2019-04-20 15:03:55 C 19 19 17.06 -04 43 32.9 V T05
2019-04-27 14:46:51 C 19 41 51.96 -00 39 32.9 V T08
2019-04-27 15:03:29 C 19 41 54.32 -00 39 06.3 V T08