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
2019-04-27 15:11:00 C 19 41 55.37 -00 38 54.2 V T08
2019-04-28 03:09:28 C 19 43 38.22 -00 19 40.5 V C95
2019-04-28 03:10:39 C 19 43 38.41 -00 19 39.1 V C95
2019-04-28 03:11:51 C 19 43 38.57 -00 19 36.2 V C95
2019-04-28 03:13:02 C 19 43 38.76 -00 19 33.9 V C95
2019-04-28 03:15:26 C 19 43 39.08 -00 19 30.8 V C95
2019-04-28 03:16:37 C 19 43 39.29 -00 19 29.3 V C95
2019-04-28 03:17:49 C 19 43 39.42 -00 19 27.7 V C95
2019-04-30 01:08:29 C 19 50 21.30 +00 56 52.0 q 160
2019-04-30 01:11:27 C 19 50 21.75 +00 56 57.2 q 160
2019-04-30 01:14:31 C 19 50 22.20 +00 57 02.2 q 160
2019-05-10 12:42:45 C 20 31 47.23 +09 06 18.0 V T08
2019-05-10 12:47:50 C 20 31 48.13 +09 06 29.1 V T08
2019-05-10 12:56:06 C 20 31 49.63 +09 06 47.2 V T08
2019-05-10 13:14:32 C 20 31 52.94 +09 07 27.6 V T08
2019-05-12 13:48:49 C 20 40 59.58 +10 55 26.7 V T05
2019-05-12 13:54:18 C 20 41 00.63 +10 55 39.2 V T05
2019-05-12 14:02:45 C 20 41 02.21 +10 55 58.4 V T05
2019-05-12 14:31:06 C 20 41 07.57 +10 57 02.6 V T05
2019-05-14 13:27:18 C 20 50 21.03 +12 45 07.9 V T08
2019-05-14 13:27:58 C 20 50 21.17 +12 45 09.4 V T08
2019-05-14 13:41:25 C 20 50 23.82 +12 45 40.9 V T08
2019-05-14 13:42:04 C 20 50 23.96 +12 45 42.2 V T08
2019-05-14 13:57:05 C 20 50 26.92 +12 46 17.6 V T08
2019-05-14 13:58:27 C 20 50 27.21 +12 46 20.9 V T08
2019-05-14 14:09:23 C 20 50 29.34 +12 46 46.3 V T08
2019-05-14 14:10:03 C 20 50 29.49 +12 46 48.0 V T08
2019-05-14 14:54:55 C 20 50 38.35 +12 48 33.3 V T08
2019-05-16 02:21:28 C 20 57 54.07 +14 12 19.4 q 160
2019-05-16 02:24:28 C 20 57 54.67 +14 12 26.2 q 160
2019-05-16 02:27:27 C 20 57 55.27 +14 12 33.3 q 160
2019-05-16 14:02:31 C 21 00 21.02 +14 40 24.8 V T05
2019-05-16 14:06:29 C 21 00 21.84 +14 40 34.4 V T05
2019-05-16 14:17:37 C 21 00 24.15 +14 41 01.3 V T05
2019-05-16 14:31:27 C 21 00 27.01 +14 41 34.6 V T05
2019-05-20 05:10:07 S 21 19 31.80 +18 13 56.5 L C51
2019-05-20 08:18:26 S 21 20 15.20 +18 21 45.3 L C51
2019-05-20 08:18:37 S 21 20 15.26 +18 21 46.1 L C51
2019-05-20 11:26:56 S 21 20 58.80 +18 29 35.4 L C51
2019-05-20 14:35:15 S 21 21 42.51 +18 37 25.2 L C51
2019-05-20 17:43:34 S 21 22 26.33 +18 45 15.1 L C51
2019-05-20 17:43:45 S 21 22 26.36 +18 45 15.6 L C51
2019-05-20 19:17:49 S 21 22 48.31 +18 49 10.4 L C51
2019-05-20 20:52:04 S 21 23 10.33 +18 53 06.1 L C51
2019-05-20 22:26:08 S 21 23 32.34 +18 57 00.8 L C51
2019-05-20 22:26:19 S 21 23 32.37 +18 57 01.9 L C51
2019-05-21 00:00:23 S 21 23 54.44 +19 00 56.7 L C51
2019-05-21 01:34:38 S 21 24 16.58 +19 04 52.7 L C51
2019-05-21 03:08:42 S 21 24 38.67 +19 08 47.7 L C51
2019-05-21 04:42:57 S 21 25 00.88 +19 12 43.7 L C51