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
2019-06-24 10:50:39 C 01 46 22.88 +41 23 57.3 V 703
2019-07-20 11:14:41 C 04 37 05.36 +34 27 28.1 U I41
2019-07-20 11:16:41 C 04 37 05.79 +34 27 25.9 U I41
2019-07-20 11:18:41 C 04 37 06.23 +34 27 23.8 U I41
2019-07-20 11:20:41 C 04 37 06.66 +34 27 21.7 U I41
2019-09-07 11:43:14 C 07 37 18.87 +13 26 04.7 U I41
2019-09-07 12:12:33 C 07 37 21.93 +13 25 36.6 U I41
2019-09-07 14:26:40 C 07 37 36.06 +13 23 28.7 V T08
2019-09-07 14:31:20 C 07 37 36.58 +13 23 24.0 V T08
2019-09-07 14:40:41 C 07 37 37.58 +13 23 14.4 V T08
2019-09-07 14:56:47 C 07 37 39.24 +13 22 59.1 V T08
2019-09-10 11:49:58 C 07 44 45.35 +12 16 46.3 U I41
2019-09-10 12:21:05 C 07 44 48.47 +12 16 16.8 U I41
2019-09-30 14:46:41 C 08 26 47.74 +04 59 00.9 V T08
2019-09-30 14:51:23 C 08 26 48.08 +04 58 56.9 V T08
2019-09-30 15:01:53 C 08 26 48.84 +04 58 47.7 V T08
2019-09-30 15:10:04 C 08 26 49.46 +04 58 40.4 V T08
2019-10-06 11:02:12 C 08 36 38.10 +02 59 38.0 V 703
2019-10-06 11:09:12 C 08 36 38.62 +02 59 32.1 V 703
2019-10-06 11:16:13 C 08 36 39.08 +02 59 25.8 V 703
2019-10-06 11:23:13 C 08 36 39.48 +02 59 20.5 V 703
2019-10-08 14:25:17 C 08 39 59.07 +02 16 44.0 V T08
2019-10-08 14:30:41 C 08 39 59.38 +02 16 39.6 V T08
2019-10-08 14:40:08 C 08 40 00.00 +02 16 31.8 V T08
2019-10-08 14:55:57 C 08 40 00.99 +02 16 18.6 V T08
2019-10-09 11:19:38 C 08 41 18.46 +01 59 23.0 V 703
2019-10-09 11:28:07 C 08 41 18.93 +01 59 16.0 V 703
2019-10-09 11:45:05 C 08 41 20.03 +01 59 03.5 V 703
2019-10-16 13:32:25 C 08 51 15.56 -00 19 11.0 V T08
2019-10-16 13:37:18 C 08 51 15.86 -00 19 15.0 V T08
2019-10-16 14:19:58 C 08 51 18.10 -00 19 48.4 V T08
2019-10-16 14:29:32 C 08 51 18.61 -00 19 56.6 V T08
2019-10-20 11:13:30 C 08 56 06.14 -01 33 32.9 V 703
2019-10-20 11:21:07 C 08 56 06.55 -01 33 39.2 V 703
2019-10-20 11:28:44 C 08 56 06.89 -01 33 46.5 V 703
2019-10-22 11:28:40 C 08 58 25.33 -02 11 19.7 V 703
2019-10-22 11:36:45 C 08 58 25.65 -02 11 24.9 V 703
2019-10-22 11:44:51 C 08 58 25.94 -02 11 32.3 V 703
2019-10-22 11:52:55 C 08 58 26.35 -02 11 39.7 V 703
2019-10-22 14:35:59 C 08 58 34.06 -02 13 43.6 V T05
2019-10-22 14:40:19 C 08 58 34.23 -02 13 46.8 V T05
2019-10-22 14:48:56 C 08 58 34.62 -02 13 53.6 V T05
2019-10-22 15:05:35 C 08 58 35.38 -02 14 06.5 V T05
2019-10-22 15:30:33 C 08 58 36.46 -02 14 25.7 V T05
2019-10-23 12:04:33 C 08 59 33.22 -02 30 25.8 V 703
2019-10-23 12:11:14 C 08 59 33.64 -02 30 31.0 V 703
2019-10-23 12:17:56 C 08 59 33.88 -02 30 36.6 V 703
2019-10-23 12:24:39 C 08 59 34.21 -02 30 41.2 V 703
2019-10-26 12:05:33 C 09 02 41.56 -03 25 50.1 V 703
2019-10-26 12:12:05 C 09 02 41.83 -03 25 54.8 V 703