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
2012-06-12 03:51:53 C 09 41 25.58 +41 07 08.6 r 703
2012-06-12 04:00:41 C 09 41 31.52 +41 06 57.4 r 703
2012-06-12 04:09:23 C 09 41 37.32 +41 06 47.8 r 703
2012-06-12 21:27:25 C 09 53 20.65 +40 46 31.8 t 204
2012-06-12 21:31:56 C 09 53 23.72 +40 46 25.8 t 204
2012-06-12 21:36:32 C 09 53 26.81 +40 46 19.6 t 204
2012-06-12 21:41:06 C 09 53 29.88 +40 46 13.5 t 204
2012-06-12 21:45:39 C 09 53 32.96 +40 46 07.5 t 204
2012-06-14 04:01:44 C 10 13 42.52 +40 00 10.9 r 703
2012-06-14 04:09:04 C 10 13 47.35 +39 59 58.1 r 703
2012-06-14 04:16:33 C 10 13 52.24 +39 59 44.5 r 703
2012-06-14 04:23:57 C 10 13 57.07 +39 59 31.7 r 703
2012-06-19 04:23:46 C 11 25 52.32 +35 09 53.6 r 703
2012-06-19 04:33:29 C 11 25 57.43 +35 09 25.1 r 703
2012-06-19 04:43:09 C 11 26 02.54 +35 08 56.6 r 703
2012-06-19 04:52:45 C 11 26 07.58 +35 08 28.5 r 703
2012-06-19 22:03:33 C 11 35 05.03 +34 17 21.2 t J69
2012-06-19 22:08:58 C 11 35 07.83 +34 17 04.5 t J69
2012-06-19 22:31:06 C 11 35 19.08 +34 15 57.6 t J69
2012-06-19 22:36:32 C 11 35 21.87 +34 15 40.8 t J69
2012-06-22 21:06:27 C 12 08 22.40 +30 35 54.7 o C77
2012-06-22 21:16:44 C 12 08 26.74 +30 35 21.7 o C77
2012-06-22 21:27:04 C 12 08 31.14 +30 34 48.8 o C77
2012-06-22 21:41:11 C 12 08 37.14 +30 34 03.5 o C77
2012-06-22 21:51:29 C 12 08 41.51 +30 33 30.8 o C77
2012-06-22 21:59:35 C 12 08 45.01 +30 33 02.8 o C60
2012-06-22 22:00:14 C 12 08 45.29 +30 33 01.6 o C60
2012-06-22 22:00:52 C 12 08 45.54 +30 32 59.9 o C60
2012-06-22 22:01:32 C 12 08 45.87 +30 32 57.2 o C60
2012-06-22 22:01:49 C 12 08 45.93 +30 32 57.4 o C77
2012-06-22 22:02:11 C 12 08 46.14 +30 32 55.8 o C60
2012-06-22 22:02:51 C 12 08 46.48 +30 32 53.6 o C60
2012-06-22 22:03:30 C 12 08 46.75 +30 32 51.6 o C60
2012-06-22 22:04:09 C 12 08 46.96 +30 32 49.4 o C60
2012-06-22 22:04:48 C 12 08 47.21 +30 32 47.0 o C60
2012-06-22 22:05:27 C 12 08 47.51 +30 32 45.3 o C60
2012-06-22 22:06:06 C 12 08 47.77 +30 32 43.0 o C60
2012-06-26 19:54:23 C 12 44 16.72 +25 38 31.1 u B38
2012-06-26 20:01:39 C 12 44 19.13 +25 38 09.0 u B38
2012-06-26 20:13:07 C 12 44 22.95 +25 37 34.2 u B38
2012-06-26 20:20:17 C 12 44 25.31 +25 37 12.3 u B38
2012-06-27 04:11:09 C 12 47 00.68 +25 13 23.5 16.1 c 704
2012-06-27 04:26:22 C 12 47 05.60 +25 12 38.4 16.5 c 704
2012-06-27 04:41:00 C 12 47 10.35 +25 11 52.6 16.5 c 704
2012-06-27 04:55:43 C 12 47 15.11 +25 11 09.0 16.6 c 704
2012-06-27 05:10:22 C 12 47 19.86 +25 10 23.2 16.4 c 704
2012-06-28 21:16:15 C 12 59 45.23 +23 11 26.0 u B38
2012-06-28 21:23:43 C 12 59 47.38 +23 11 04.5 u B38
2012-06-28 21:29:40 C 12 59 49.15 +23 10 46.7 u B38
2012-06-28 21:35:42 C 12 59 50.89 +23 10 29.5 u B38