331471 (1984 QY1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8934455883 ± 2.43e-09
Semi-major axis (a)2.5021720717 AU ± 1.59e-09
Inclination (i)14.28854523° ± 7.92e-07
Long. of Asc. Node (Ω)142.23451213° ± 6.39e-07
Arg. of Perihelion (ω)337.19568641° ± 6.35e-07
Mean Anomaly (M)152.86848087° ± 8.80e-07
Mean Motion (n)0.2490213124°/day ± 2.37e-10
Perihelion dist (q)0.26661747 AU ± 6.09e-09
Aphelion dist (Q)4.73772667 AU ± 6.79e-09
Orbital Period3.95799971 yr ± 3.76e-09
Physical Parameters
H (abs. magnitude)15.52
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.032″
Uncertainty0
Orbit TypeApollo
MOID0.136296 AU
Observations Used2124
Gaia Obs Used139
Oppositions24
Arc Total1984-2016
First Observation Used1984-08-27
Last Observation Used2024-08-03
Observations (2531)
Date Type RA Dec Mag Band Observatory
2016-07-03 04:12:23 C 15 09 01.87 +10 13 16.4 q H45
2016-07-03 04:13:40 C 15 09 01.94 +10 13 14.3 q H45
2016-07-03 04:15:01 C 15 09 01.99 +10 13 12.0 q H45
2016-07-03 04:16:18 C 15 09 02.05 +10 13 09.6 q H45
2016-07-03 22:03:08 C 15 09 56.44 +09 42 31.5 q 160
2016-07-03 22:05:39 C 15 09 56.56 +09 42 27.2 q 160
2016-07-03 22:08:10 C 15 09 56.68 +09 42 22.9 q 160
2016-07-04 21:14:45 C 15 11 06.56 +09 04 00.4 q 006
2016-07-04 21:22:09 C 15 11 06.87 +09 03 48.1 q 006
2016-07-04 21:25:51 C 15 11 07.04 +09 03 42.8 q 006
2016-07-07 19:26:43 C 15 14 31.79 +07 16 11.5 16.8 q 583
2016-07-07 19:37:37 C 15 14 32.29 +07 15 56.0 17.2 q 583
2016-07-07 19:48:38 C 15 14 32.79 +07 15 39.0 16.8 q 583
2016-07-07 20:20:15 C 15 14 34.25 +07 14 53.9 17.1 q 583
2016-07-07 20:31:05 C 15 14 34.73 +07 14 38.4 17.0 q 583
2016-07-07 20:41:54 C 15 14 35.23 +07 14 22.8 17.0 q 583
2016-07-07 21:08:10 C 15 14 36.43 +07 13 44.8 17.1 q 583
2016-07-07 21:18:59 C 15 14 36.96 +07 13 28.9 16.9 q 583
2016-07-07 21:20:05 C 15 14 37.10 +07 13 28.0 q 160
2016-07-07 21:22:58 C 15 14 37.24 +07 13 23.8 q 160
2016-07-07 21:25:30 C 15 14 37.35 +07 13 20.2 q 160
2016-07-07 21:29:50 C 15 14 37.47 +07 13 12.0 16.9 q 583
2016-07-07 21:40:39 C 15 14 37.96 +07 12 57.6 16.9 q 583
2016-07-07 21:51:29 C 15 14 38.44 +07 12 42.3 16.9 q 583
2016-07-07 22:02:19 C 15 14 38.96 +07 12 26.3 17.0 q 583
2016-07-07 22:14:25 C 15 14 39.53 +07 12 08.5 17.0 q 583
2016-07-07 22:33:23 C 15 14 40.45 +07 11 41.2 17.0 q 583
2016-07-07 23:17:58 C 15 14 42.52 +07 10 37.0 16.8 q 583
2016-07-08 04:35:37 C 15 14 57.96 +07 03 03.9 q 703
2016-07-08 04:42:16 C 15 14 58.23 +07 02 54.7 q 703
2016-07-08 04:49:51 C 15 14 58.59 +07 02 43.8 q G96
2016-07-08 04:50:56 C 15 14 58.64 +07 02 42.0 q 703
2016-07-08 04:57:35 C 15 14 58.95 +07 02 32.7 q 703
2016-07-08 04:59:58 C 15 14 59.04 +07 02 29.0 q G96
2016-07-08 05:10:09 C 15 14 59.51 +07 02 14.6 q G96
2016-07-08 05:20:18 C 15 14 59.99 +07 02 00.4 q G96
2016-07-08 21:59:56 C 15 15 47.15 +06 38 30.4 16.8 q 583
2016-07-08 22:06:37 C 15 15 47.45 +06 38 20.8 16.8 q 583
2016-07-08 22:12:05 C 15 15 47.70 +06 38 13.2 16.9 q 583
2016-07-08 22:18:14 C 15 15 48.00 +06 38 04.7 16.7 q 583
2016-07-08 22:23:38 C 15 15 48.24 +06 37 57.2 16.9 q 583
2016-07-08 22:29:03 C 15 15 48.48 +06 37 49.8 16.9 q 583
2016-07-08 22:34:28 C 15 15 48.76 +06 37 42.1 16.8 q 583
2016-07-08 22:39:53 C 15 15 49.01 +06 37 34.4 17.0 q 583
2016-07-08 22:52:03 C 15 15 49.54 +06 37 17.7 16.9 q 583
2016-07-08 22:57:29 C 15 15 49.83 +06 37 10.2 16.9 q 583
2016-07-08 23:02:55 C 15 15 50.06 +06 37 02.6 16.7 q 583
2016-07-08 23:08:21 C 15 15 50.35 +06 36 54.9 17.0 q 583
2016-07-08 23:13:47 C 15 15 50.56 +06 36 47.5 17.1 q 583
2016-07-08 23:19:12 C 15 15 50.82 +06 36 39.0 16.8 q 583