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
2006-10-26 03:00:04 C 08 45 50.84 -01 01 49.4 i 071
2006-11-25 14:19:45 C 08 38 13.70 -14 19 19.1 r E12
2006-11-25 14:38:50 C 08 38 12.87 -14 19 35.6 r E12
2006-11-25 14:57:58 C 08 38 12.12 -14 19 51.1 r E12
2006-12-10 07:09:50 C 08 19 03.53 -18 15 18.6 r 808
2006-12-10 07:19:50 C 08 19 02.88 -18 15 23.7 r 808
2006-12-10 07:32:30 C 08 19 01.99 -18 15 29.7 r 808
2007-01-16 10:26:30 C 07 10 33.90 -17 40 09.7 r E17
2007-01-16 10:47:12 C 07 10 32.62 -17 39 59.6 r E17
2007-01-26 05:00:35 C 06 57 33.84 -15 29 37.3 18.5 c 704
2007-01-26 05:18:17 C 06 57 32.96 -15 29 27.1 18.6 c 704
2007-01-26 05:36:00 C 06 57 32.11 -15 29 16.1 18.6 c 704
2007-01-26 05:53:46 C 06 57 31.34 -15 29 05.3 18.7 c 704
2007-01-26 06:11:34 C 06 57 30.44 -15 28 54.8 18.6 c 704
2007-01-26 09:55:03 C 06 57 20.42 -15 26 30.4 r E17
2007-01-26 10:05:13 C 06 57 19.93 -15 26 23.8 r E17
2007-01-26 10:10:18 C 06 57 19.67 -15 26 20.9 r E17
2007-01-29 03:39:29 C 06 54 29.26 -14 45 56.1 r 808
2007-01-29 04:03:19 C 06 54 28.16 -14 45 42.7 r 808
2007-01-29 04:16:09 C 06 54 27.64 -14 45 32.6 r 808
2009-03-28 17:20:57 C 14 36 11.84 -19 43 02.3 r E12
2009-03-28 17:35:13 C 14 36 11.41 -19 42 57.9 r E12
2009-03-28 17:49:35 C 14 36 10.98 -19 42 53.9 r E12
2009-03-28 18:03:40 C 14 36 10.54 -19 42 49.1 r E12
2009-03-29 08:42:50 C 14 35 43.83 -19 38 33.2 19.3 c 704
2009-03-29 09:00:12 C 14 35 43.31 -19 38 26.4 20.1 c 704
2009-03-29 09:34:53 C 14 35 42.21 -19 38 15.9 19.8 c 704
2009-03-29 09:52:12 C 14 35 41.54 -19 38 09.3 19.7 c 704
2009-03-31 19:09:19 C 14 33 49.72 -19 20 03.0 r D29
2009-03-31 19:33:00 C 14 33 48.85 -19 19 55.7 r D29
2009-03-31 19:53:47 C 14 33 48.14 -19 19 48.6 r D29
2009-03-31 20:14:44 C 14 33 47.30 -19 19 41.6 r D29
2009-04-22 00:09:17 C 14 10 27.12 -15 32 59.4 r J75
2009-04-22 00:28:03 C 14 10 26.07 -15 32 49.0 r J75
2009-04-22 00:46:47 C 14 10 25.05 -15 32 38.2 r J75
2009-04-23 00:07:42 C 14 09 07.18 -15 19 33.1 r J75
2009-04-23 00:26:27 C 14 09 06.09 -15 19 23.5 r J75
2009-04-23 00:45:16 C 14 09 05.03 -15 19 12.9 r J75
2009-04-23 22:06:15 C 14 07 53.35 -15 07 05.1 r J75
2009-04-23 22:24:41 C 14 07 52.32 -15 06 54.6 r J75
2009-04-23 22:42:59 C 14 07 51.27 -15 06 44.3 r J75
2009-04-24 08:38:17 C 14 07 17.48 -15 01 02.5 18.1 c 704
2009-04-24 08:53:52 C 14 07 16.60 -15 00 53.4 18.1 c 704
2009-04-24 09:09:40 C 14 07 15.66 -15 00 44.9 18.1 c 704
2009-04-24 09:25:35 C 14 07 14.75 -15 00 35.2 18.0 c 704
2009-05-01 22:26:40 C 13 56 50.34 -13 11 52.4 r J75
2009-05-01 22:46:06 C 13 56 49.18 -13 11 40.1 r J75
2009-05-01 23:05:48 C 13 56 48.01 -13 11 27.8 r J75
2009-05-03 07:30:57 C 13 54 55.47 -12 51 12.0 18.2 c 704
2009-05-03 07:54:07 C 13 54 54.03 -12 50 58.3 18.4 c 704