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
2019-05-21 06:17:12 S 21 25 23.10 +19 16 39.7 L C51
2019-05-21 07:51:16 S 21 25 45.36 +19 20 35.1 L C51
2019-05-21 10:59:47 S 21 26 29.98 +19 28 27.2 L C51
2019-05-21 13:23:41 C 21 27 05.352 +19 34 30.78 U F52
2019-05-21 13:41:10 C 21 27 09.454 +19 35 14.87 U F52
2019-05-21 13:58:35 C 21 27 13.530 +19 35 58.64 U F52
2019-05-21 14:08:06 S 21 27 14.72 +19 36 19.4 L C51
2019-05-21 14:16:04 C 21 27 17.636 +19 36 42.73 U F52
2019-05-21 17:16:25 S 21 27 59.61 +19 44 11.5 L C51
2019-05-24 09:44:08 C 21 43 54.83 +22 26 14.2 V 703
2019-05-24 09:52:53 C 21 43 57.02 +22 26 36.5 V 703
2019-05-24 10:10:22 C 21 44 01.45 +22 27 20.8 V 703
2019-05-24 13:21:41 C 21 44 50.30 +22 35 24.5 V T05
2019-05-24 13:25:42 C 21 44 51.31 +22 35 34.6 V T05
2019-05-24 13:35:16 C 21 44 53.74 +22 35 58.8 V T05
2019-05-24 13:51:08 C 21 44 57.73 +22 36 38.9 V T05
2019-05-31 09:41:29 C 22 30 19.91 +29 16 18.8 V 703
2019-05-31 09:49:09 C 22 30 22.17 +29 16 36.7 V 703
2019-05-31 09:56:49 C 22 30 24.44 +29 16 54.5 V 703
2019-05-31 10:04:29 C 22 30 26.72 +29 17 12.4 V 703
2019-06-01 01:43:43 C 22 35 08.53 +29 53 08.5 q 160
2019-06-01 01:46:15 C 22 35 09.28 +29 53 13.9 q 160
2019-06-01 01:48:34 C 22 35 10.00 +29 53 20.8 q 160
2019-06-01 13:57:17 C 22 38 51.27 +30 20 57.4 V T05
2019-06-01 14:02:01 C 22 38 52.69 +30 21 08.2 V T05
2019-06-01 14:12:26 C 22 38 55.83 +30 21 31.7 V T05
2019-06-01 14:29:15 C 22 39 00.90 +30 22 09.9 V T05
2019-06-02 02:09:13 C 22 42 35.68 +30 48 08.0 q 160
2019-06-02 02:11:36 C 22 42 36.41 +30 48 13.1 q 160
2019-06-02 02:14:15 C 22 42 37.23 +30 48 18.8 q 160
2019-06-04 10:08:44 C 23 00 13.32 +32 48 02.5 V 703
2019-06-04 10:16:18 C 23 00 15.78 +32 48 19.3 V 703
2019-06-04 10:23:51 C 23 00 18.20 +32 48 35.1 V 703
2019-06-04 10:31:25 C 23 00 20.59 +32 48 50.7 V 703
2019-06-06 02:19:50 C 23 13 18.22 +34 07 59.2 q 160
2019-06-06 02:22:24 C 23 13 19.07 +34 08 04.4 q 160
2019-06-06 02:25:15 C 23 13 19.98 +34 08 10.1 q 160
2019-06-09 14:35:27 C 23 41 44.25 +36 36 20.3 V T05
2019-06-09 14:42:52 C 23 41 46.77 +36 36 32.2 V T05
2019-06-09 14:57:52 C 23 41 51.87 +36 36 56.5 V T05
2019-06-11 10:38:32 C 23 57 01.90 +37 42 09.3 V 703
2019-06-11 10:43:50 C 23 57 03.73 +37 42 17.1 V 703
2019-06-11 10:49:08 C 23 57 05.60 +37 42 24.6 V 703
2019-06-11 10:54:27 C 23 57 07.41 +37 42 32.1 V 703
2019-06-21 10:31:54 C 01 21 39.72 +41 09 25.9 V 703
2019-06-21 10:39:06 C 01 21 42.20 +41 09 28.9 V 703
2019-06-21 10:46:17 C 01 21 44.68 +41 09 31.4 V 703
2019-06-21 10:53:29 C 01 21 47.16 +41 09 34.1 V 703
2019-06-24 10:36:21 C 01 46 18.04 +41 23 56.3 V 703
2019-06-24 10:43:30 C 01 46 20.43 +41 23 56.9 V 703