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
2019-12-10 14:11:53 C 09 12 43.46 -14 59 03.7 V T08
2019-12-10 14:19:21 C 09 12 43.19 -14 59 07.2 V T08
2019-12-10 14:23:25 C 09 12 43.113 -14 59 09.44 U F52
2019-12-10 14:24:06 C 09 12 43.06 -14 59 09.9 V T08
2019-12-10 14:41:15 C 09 12 42.611 -14 59 17.51 U F52
2019-12-10 14:47:19 C 09 12 42.48 -14 59 20.0 V T08
2019-12-10 14:59:07 C 09 12 42.106 -14 59 25.69 U F52
2019-12-10 15:17:07 C 09 12 41.601 -14 59 33.83 U F52
2019-12-19 13:00:53 C 09 05 30.59 -16 24 26.3 V T08
2019-12-19 13:05:42 C 09 05 30.33 -16 24 27.1 V T08
2019-12-19 13:15:47 C 09 05 29.91 -16 24 31.2 V T08
2019-12-19 13:35:57 C 09 05 29.07 -16 24 37.3 V T08
2019-12-20 10:58:02 C 09 04 36.28 -16 31 35.7 V T05
2019-12-20 11:02:33 C 09 04 36.10 -16 31 36.9 V T05
2019-12-20 11:12:30 C 09 04 35.69 -16 31 39.3 V T05
2019-12-20 11:31:23 C 09 04 34.86 -16 31 45.8 V T05
2019-12-24 12:53:59 C 09 00 11.64 -16 59 37.2 V T05
2019-12-24 12:58:41 C 09 00 11.39 -16 59 38.5 V T05
2019-12-24 13:06:08 C 09 00 11.01 -16 59 40.3 V T05
2019-12-24 13:30:22 C 09 00 09.80 -16 59 46.4 V T05
2020-01-03 12:37:12 C 08 47 15.83 -17 38 16.3 V T08
2020-01-03 12:41:55 C 08 47 15.55 -17 38 16.4 V T08
2020-01-03 12:56:36 C 08 47 14.69 -17 38 17.3 V T08
2020-01-03 13:09:20 C 08 47 13.88 -17 38 18.4 V T08
2020-01-04 06:55:50 C 08 46 10.86 -17 39 21.2 V 703
2020-01-04 07:03:32 C 08 46 10.36 -17 39 21.8 V 703
2020-01-04 07:11:15 C 08 46 09.93 -17 39 22.0 V 703
2020-01-04 07:18:59 C 08 46 09.46 -17 39 22.7 V 703
2020-01-07 13:49:39 C 08 41 22.23 -17 40 52.8 V T08
2020-01-07 13:55:38 C 08 41 21.87 -17 40 53.7 V T08
2020-01-07 14:03:02 C 08 41 21.41 -17 40 52.2 V T08
2020-01-07 14:23:43 C 08 41 20.12 -17 40 52.2 V T08
2020-01-14 06:41:40 C 08 31 11.25 -17 28 16.7 u H21
2020-01-14 06:44:19 C 08 31 11.09 -17 28 16.2 u H21
2020-01-14 06:46:50 C 08 31 10.91 -17 28 16.0 u H21
2020-01-14 06:50:17 C 08 31 10.68 -17 28 15.2 u H21
2020-01-14 06:54:30 C 08 31 10.40 -17 28 15.0 u H21
2020-01-14 06:57:10 C 08 31 10.23 -17 28 14.1 u H21
2020-01-21 10:35:58 C 08 20 11.50 -16 52 09.9 V T05
2020-01-21 10:41:30 C 08 20 11.15 -16 52 08.9 V T05
2020-01-21 10:49:55 C 08 20 10.62 -16 52 06.3 V T05
2020-01-21 11:10:43 C 08 20 09.27 -16 52 00.5 V T05
2020-01-28 09:45:46 C 08 09 58.45 -15 57 02.0 V T08
2020-01-28 09:57:21 C 08 09 57.76 -15 56 57.1 V T08
2020-01-28 10:06:39 C 08 09 57.20 -15 56 53.5 V T08
2020-01-28 10:26:18 C 08 09 55.95 -15 56 45.9 V T08
2020-01-30 06:59:24 C 08 07 21.65 -15 39 12.8 V G96
2020-01-30 07:06:45 C 08 07 21.22 -15 39 09.9 V G96
2020-01-30 07:14:08 C 08 07 20.79 -15 39 06.8 V G96
2020-01-30 07:21:31 C 08 07 20.36 -15 39 03.9 V G96