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
2025-04-28 00:20:12 C 13 21 20.177 -14 02 37.97 V R17
2025-04-28 00:40:44 C 13 21 19.082 -14 02 26.88 V R17
2025-04-28 03:45:05 C 13 21 09.811 -14 00 42.23 V W68
2025-04-28 03:49:46 C 13 21 09.530 -14 00 39.78 V W68
2025-04-28 03:51:47 C 13 21 09.413 -14 00 39.35 V W68
2025-04-28 03:56:24 C 13 21 09.132 -14 00 36.18 V W68
2025-04-28 04:06:22 C 13 21 08.652 -14 00 31.10 V W68
2025-04-28 04:08:20 C 13 21 08.530 -14 00 30.28 V W68
2025-04-28 04:24:08 C 13 21 07.718 -14 00 21.13 V W68
2025-04-29 03:45:33 C 13 19 56.755 -13 47 42.00 V W68
2025-04-29 03:50:07 C 13 19 56.498 -13 47 39.88 V W68
2025-04-29 03:58:07 C 13 19 56.066 -13 47 35.16 V W68
2025-04-29 04:12:40 C 13 19 55.339 -13 47 27.35 V W68
2025-05-03 21:58:17 C 13 14 18.470 -12 45 20.74 V M22
2025-05-03 22:03:31 C 13 14 18.175 -12 45 19.66 V M22
2025-05-03 22:13:24 C 13 14 17.669 -12 45 14.65 V M22
2025-05-03 22:37:03 C 13 14 16.553 -12 45 00.58 V M22
2025-05-05 19:22:46 C 13 12 09.406 -12 20 33.76 V M22
2025-05-05 19:25:23 C 13 12 09.314 -12 20 32.78 V M22
2025-05-05 19:34:34 C 13 12 08.832 -12 20 26.95 V M22
2025-05-05 19:49:35 C 13 12 08.165 -12 20 19.03 V M22
2025-05-17 22:39:25 C 13 00 01.459 -09 46 53.33 V R17
2025-05-17 22:59:56 C 13 00 00.718 -09 46 42.60 V R17
2025-05-17 23:20:27 C 12 59 59.978 -09 46 32.45 V R17
2025-05-17 23:41:00 C 12 59 59.182 -09 46 22.84 V R17
2025-05-20 02:59:01 C 12 58 12.960 -09 20 56.29 V W68
2025-05-20 03:08:58 C 12 58 12.583 -09 20 52.22 V W68
2025-05-20 03:13:31 C 12 58 12.461 -09 20 50.68 V W68
2025-05-20 03:43:08 C 12 58 11.412 -09 20 36.17 V W68
2025-05-20 22:33:56 C 12 57 34.450 -09 11 33.11 V R17
2025-05-20 22:54:29 C 12 57 33.698 -09 11 22.70 V R17
2025-05-20 23:15:00 C 12 57 33.113 -09 11 13.49 V R17
2025-05-20 23:35:32 C 12 57 32.366 -09 11 03.30 V R17
2025-05-23 05:12:51 C 12 55 52.507 -08 45 39.92 V G96
2025-05-23 05:21:07 C 12 55 52.237 -08 45 36.18 V G96
2025-05-23 05:29:22 C 12 55 51.985 -08 45 32.18 V G96
2025-05-23 05:37:37 C 12 55 51.737 -08 45 28.40 V G96
2025-05-23 07:51:21 C 12 55 47.772 -08 44 24.83 V T08
2025-05-23 07:55:58 C 12 55 47.611 -08 44 23.89 V T08
2025-05-23 08:03:52 C 12 55 47.417 -08 44 19.39 V T08
2025-05-23 08:25:31 C 12 55 46.814 -08 44 10.28 V T08
2025-05-23 22:33:33 C 12 55 22.042 -08 37 38.03 V R17
2025-05-23 22:54:07 C 12 55 21.403 -08 37 28.74 V R17
2025-05-23 23:14:37 C 12 55 20.779 -08 37 19.06 V R17
2025-05-23 23:35:11 C 12 55 20.167 -08 37 09.62 V R17
2025-05-26 22:33:45 C 12 53 25.142 -08 05 22.06 V R17
2025-05-26 22:54:17 C 12 53 24.605 -08 05 13.49 V R17
2025-05-26 23:14:50 C 12 53 24.089 -08 05 04.31 V R17
2025-05-26 23:35:21 C 12 53 23.498 -08 04 55.09 V R17
2025-05-29 22:31:17 C 12 51 44.342 -07 34 54.59 V R17