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
2022-04-28 08:30:00 C 15 10 05.048 -13 11 24.90 V 703
2022-04-28 08:37:00 C 15 10 04.645 -13 11 19.90 V 703
2022-04-28 08:44:01 C 15 10 04.242 -13 11 14.86 V 703
2022-04-30 04:32:53 C 15 07 36.924 -12 39 22.43 V W68
2022-04-30 04:38:02 C 15 07 36.44 -12 39 17.5 q 834
2022-04-30 04:46:24 C 15 07 36.139 -12 39 12.67 V W68
2022-04-30 05:00:25 C 15 07 35.294 -12 39 02.23 V W68
2022-04-30 05:05:28 C 15 07 34.992 -12 38 58.06 V W68
2022-04-30 05:58:24 C 15 07 31.65 -12 38 17.8 q 834
2022-04-30 15:19:54 C 15 06 59.798 -12 31 24.53 V P07
2022-04-30 16:38:31 C 15 06 55.087 -12 30 26.71 V P07
2022-04-30 17:40:29 C 15 06 51.372 -12 29 40.52 V P07
2022-04-30 19:01:14 C 15 06 46.517 -12 28 40.12 V P07
2022-04-30 19:55:33 C 15 06 43.274 -12 27 59.76 V P07
2022-05-02 09:27:14 C 15 04 30.562 -11 59 48.62 V 703
2022-05-02 09:34:47 C 15 04 30.054 -11 59 42.79 V 703
2022-05-02 09:42:20 C 15 04 29.575 -11 59 37.07 V 703
2022-05-02 09:49:52 C 15 04 29.096 -11 59 31.06 V 703
2022-05-02 16:51:27 C 15 04 03.95 -11 54 08.4 V D29
2022-05-02 17:11:49 C 15 04 02.69 -11 53 52.6 V D29
2022-05-02 17:32:11 C 15 04 01.42 -11 53 37.0 V D29
2022-05-03 05:50:04 C 15 03 16.721 -11 43 59.92 V W68
2022-05-03 05:55:28 C 15 03 16.390 -11 43 55.42 V W68
2022-05-03 06:06:13 C 15 03 15.708 -11 43 47.24 V W68
2022-05-03 06:24:40 C 15 03 14.544 -11 43 32.92 V W68
2022-05-04 05:45:37 C 15 01 48.530 -11 25 20.32 V W68
2022-05-04 05:50:13 C 15 01 48.250 -11 25 16.72 V W68
2022-05-04 05:59:31 C 15 01 47.654 -11 25 09.37 V W68
2022-05-04 06:17:07 C 15 01 46.526 -11 24 55.37 V W68
2022-05-04 08:02:31 C 15 01 40.091 -11 23 41.03 V G96
2022-05-04 08:09:58 C 15 01 39.608 -11 23 35.02 V G96
2022-05-04 08:17:27 C 15 01 39.133 -11 23 29.33 V G96
2022-05-04 08:24:54 C 15 01 38.658 -11 23 23.50 V G96
2022-05-06 09:39:31 C 14 58 32.117 -10 44 06.54 V 703
2022-05-06 09:47:07 C 14 58 31.591 -10 44 00.35 V 703
2022-05-06 09:54:44 C 14 58 31.206 -10 43 53.26 V 703
2022-05-07 23:01:25 C 14 56 07.378 -10 13 39.14 V K74
2022-05-07 23:05:28 C 14 56 07.092 -10 13 35.94 V K74
2022-05-07 23:08:42 C 14 56 06.859 -10 13 33.13 V K74
2022-05-07 23:11:55 C 14 56 06.655 -10 13 30.36 V K74
2022-05-07 23:15:09 C 14 56 06.444 -10 13 28.16 V K74
2022-05-09 06:54:28 C 14 54 01.408 -09 47 12.77 V 703
2022-05-09 07:01:54 C 14 54 00.929 -09 47 06.47 V 703
2022-05-09 07:09:19 C 14 54 00.392 -09 47 00.17 V 703
2022-05-09 07:16:45 C 14 53 59.888 -09 46 54.05 V 703
2022-05-10 07:58:44 C 14 52 21.022 -09 26 11.62 V 703
2022-05-10 08:06:28 C 14 52 20.492 -09 26 05.06 V 703
2022-05-10 08:14:12 C 14 52 19.974 -09 25 58.58 V 703
2022-05-10 08:21:56 C 14 52 19.427 -09 25 52.21 V 703
2022-05-11 19:23:36 C 14 49 57.78 -08 56 12.6 O17