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
2020-01-31 10:10:32 C 08 05 49.71 -15 27 57.4 V T08
2020-01-31 10:15:12 C 08 05 49.46 -15 27 54.9 V T08
2020-01-31 10:22:38 C 08 05 49.02 -15 27 52.2 V T08
2020-01-31 10:39:35 C 08 05 48.07 -15 27 45.0 V T08
2020-02-03 09:39:10 C 08 01 57.32 -14 56 42.3 V T05
2020-02-03 09:43:38 C 08 01 57.10 -14 56 40.2 V T05
2020-02-03 09:51:08 C 08 01 56.65 -14 56 36.9 V T05
2020-02-03 10:05:48 C 08 01 55.90 -14 56 30.0 V T05
2020-02-23 08:20:40 C 07 43 03.71 -10 49 46.2 V T05
2020-02-23 08:25:18 C 07 43 03.56 -10 49 44.5 V T05
2020-02-23 08:33:19 C 07 43 03.28 -10 49 40.7 V T05
2020-02-23 08:50:18 C 07 43 02.86 -10 49 31.5 V T05
2020-02-25 08:50:15 C 07 41 53.82 -10 23 26.4 V T08
2020-02-25 08:55:11 C 07 41 53.74 -10 23 24.0 V T08
2020-02-25 09:03:17 C 07 41 53.58 -10 23 20.6 V T08
2020-02-25 09:22:24 C 07 41 53.16 -10 23 09.4 V T08
2020-04-25 03:02:39 C 07 57 37.39 -00 59 38.6 V G96
2020-04-25 03:10:41 C 07 57 37.60 -00 59 36.6 V G96
2020-04-25 03:18:44 C 07 57 37.90 -00 59 35.3 V G96
2020-04-25 03:26:46 C 07 57 38.17 -00 59 33.4 V G96
2021-01-17 13:19:41 C 11 56 43.367 -18 58 57.21 U F51
2021-01-17 13:51:23 C 11 56 43.081 -18 59 00.75 U F51
2021-01-17 14:07:12 C 11 56 42.927 -18 59 02.58 U F51
2021-02-07 13:14:34 C 11 48 10.199 -19 19 15.87 U F51
2021-02-07 13:29:25 C 11 48 09.807 -19 19 15.36 U F51
2021-02-07 13:44:18 C 11 48 09.416 -19 19 14.85 U F51
2021-02-07 13:59:11 C 11 48 09.020 -19 19 14.19 U F51
2021-03-20 10:19:31 C 11 12 51.542 -15 57 05.53 U F51
2021-03-20 10:35:22 C 11 12 50.926 -15 57 00.01 U F51
2021-03-20 10:51:14 C 11 12 50.287 -15 56 54.30 U F51
2021-04-04 03:46:39 C 11 00 16.32 -13 43 19.2 V G96
2021-04-04 03:54:44 C 11 00 16.07 -13 43 15.8 V G96
2021-04-04 04:02:49 C 11 00 15.81 -13 43 12.5 V G96
2021-04-04 04:10:56 C 11 00 15.49 -13 43 09.7 V G96
2021-04-06 07:25:05 C 10 58 40.455 -13 22 56.70 U F51
2021-04-06 07:41:56 C 10 58 39.933 -13 22 50.11 U F51
2021-04-06 07:58:44 C 10 58 39.407 -13 22 43.46 U F51
2021-04-06 08:15:32 C 10 58 38.891 -13 22 36.81 U F51
2021-04-10 05:52:22 C 10 55 57.08 -12 45 42.3 V G96
2021-04-10 05:59:45 C 10 55 56.88 -12 45 39.1 V G96
2021-04-10 06:07:08 C 10 55 56.67 -12 45 36.7 V G96
2021-04-10 06:14:31 C 10 55 56.46 -12 45 33.9 V G96
2021-04-16 06:10:31 C 10 52 20.378 -11 49 34.39 U F52
2021-04-16 06:33:44 C 10 52 19.848 -11 49 25.27 U F52
2021-04-16 07:20:28 C 10 52 18.752 -11 49 07.58 U F52
2022-02-10 14:50:29 C 15 13 04.924 -21 15 38.93 U F52
2022-02-10 15:04:15 C 15 13 05.414 -21 15 39.43 U F52
2022-02-10 15:17:57 C 15 13 05.904 -21 15 39.88 U F52
2022-02-10 15:31:41 C 15 13 06.395 -21 15 40.56 U F52
2022-03-06 14:34:06 C 15 29 31.917 -20 59 40.48 U F52