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
2009-05-03 08:15:50 C 13 54 52.67 -12 50 44.8 18.0 c 704
2009-05-03 08:35:14 C 13 54 51.52 -12 50 32.6 18.1 c 704
2009-05-13 12:41:43 C 13 41 11.18 -10 15 36.6 r E12
2009-05-13 12:56:32 C 13 41 10.32 -10 15 27.3 r E12
2009-05-13 13:11:40 C 13 41 09.56 -10 15 17.2 r E12
2009-05-13 13:26:36 C 13 41 08.66 -10 15 07.7 r E12
2009-05-14 13:54:40 C 13 39 51.08 -09 59 42.2 r E12
2009-05-14 14:10:16 C 13 39 50.24 -09 59 32.8 r E12
2009-05-14 14:25:55 C 13 39 49.43 -09 59 22.6 r E12
2009-05-25 06:00:52 C 13 27 43.30 -07 25 18.7 r 703
2009-05-25 06:12:12 C 13 27 42.84 -07 25 11.2 r 703
2009-05-25 06:23:30 C 13 27 42.33 -07 25 05.1 r 703
2009-05-25 06:36:12 C 13 27 41.76 -07 24 57.7 r 703
2009-05-31 04:21:26 C 13 22 22.69 -06 08 10.9 r 703
2009-05-31 04:29:20 C 13 22 22.47 -06 08 05.3 r 703
2009-05-31 04:37:07 C 13 22 22.22 -06 08 01.8 r 703
2009-05-31 04:44:49 C 13 22 21.86 -06 07 57.3 r 703
2009-12-01 15:28:42 C 19 55 52.91 -12 55 32.0 18.4 o C20
2009-12-01 15:35:02 C 19 55 54.58 -12 55 34.7 18.2 o C20
2009-12-03 15:38:51 C 20 08 47.73 -13 13 10.9 17.5 o C20
2009-12-03 15:45:12 C 20 08 49.41 -13 13 13.3 17.5 o C20
2009-12-05 15:19:00 C 20 21 55.35 -13 30 13.6 17.4 o C20
2009-12-05 15:21:07 C 20 21 55.91 -13 30 14.3 17.7 o C20
2009-12-05 17:13:11 C 20 22 27.23 -13 30 53.9 w 160
2009-12-05 17:16:20 C 20 22 28.11 -13 30 54.9 w 160
2009-12-05 17:19:14 C 20 22 28.92 -13 30 56.1 w 160
2009-12-06 00:24:52 C 20 24 28.02 -13 33 21.3 r H53
2009-12-06 00:26:52 C 20 24 28.43 -13 33 23.8 r H53
2009-12-06 00:28:52 C 20 24 29.04 -13 33 25.4 r H53
2009-12-06 00:32:51 C 20 24 30.13 -13 33 27.1 r H53
2009-12-06 00:37:52 C 20 24 31.55 -13 33 27.4 r H53
2009-12-06 00:39:52 C 20 24 32.09 -13 33 29.0 r H53
2009-12-09 15:36:29 C 20 49 27.54 -14 02 08.6 17.4 o C20
2009-12-10 16:36:52 C 20 56 49.46 -14 09 38.4 w 160
2009-12-10 16:39:57 C 20 56 50.42 -14 09 39.0 w 160
2009-12-10 16:42:59 C 20 56 51.28 -14 09 40.2 w 160
2009-12-11 00:19:07 C 20 59 06.45 -14 11 50.5 r H53
2009-12-11 00:21:07 C 20 59 07.03 -14 11 51.1 r H53
2009-12-11 00:23:07 C 20 59 07.51 -14 11 51.3 r H53
2009-12-11 00:25:07 C 20 59 08.16 -14 11 52.4 r H53
2009-12-11 00:27:07 C 20 59 08.80 -14 11 52.1 r H53
2009-12-11 00:29:07 C 20 59 09.46 -14 11 53.8 r H53
2009-12-27 01:36:09 C 22 58 59.26 -14 42 00.8 r 448
2009-12-27 01:38:43 C 22 59 00.08 -14 42 00.5 r 448
2009-12-27 01:41:18 C 22 59 00.87 -14 41 59.9 r 448
2009-12-27 01:43:53 C 22 59 01.67 -14 41 59.3 r 448
2009-12-27 01:46:02 C 22 59 02.33 -14 41 59.0 r 448
2010-01-07 17:26:25 C 00 21 44.90 -13 01 49.2 17.1 u C20
2010-01-07 17:28:32 C 00 21 45.48 -13 01 48.1 17.0 u C20
2010-01-08 17:26:53 C 00 28 16.77 -12 49 16.4 17.2 u C20