IAA RAS IAA Minor Planet Database

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
2016-06-03 22:53:11 C 13 15 04.61 +60 32 02.5 – q 585
2016-06-03 22:53:23 C 13 15 04.77 +60 32 00.9 – q 585
2016-06-03 22:53:34 C 13 15 04.90 +60 31 59.9 – q 585
2016-06-03 22:53:45 C 13 15 05.05 +60 31 58.1 – q 585
2016-06-03 22:53:56 C 13 15 05.20 +60 31 56.5 – q 585
2016-06-03 22:54:08 C 13 15 05.33 +60 31 55.1 – q 585
2016-06-03 22:54:19 C 13 15 05.42 +60 31 53.5 – q 585
2016-06-03 22:54:30 C 13 15 05.54 +60 31 52.0 – q 585
2016-06-03 22:54:55 C 13 15 05.89 +60 31 48.7 – q 585
2016-06-03 22:55:33 C 13 15 06.32 +60 31 43.4 – q 585
2016-06-03 22:55:44 C 13 15 06.46 +60 31 41.9 – q 585
2016-06-03 22:55:56 C 13 15 06.58 +60 31 40.3 – q 585
2016-06-03 22:56:07 C 13 15 06.71 +60 31 38.6 – q 585
2016-06-03 22:56:18 C 13 15 06.90 +60 31 37.3 – q 585
2016-06-03 22:56:29 C 13 15 07.00 +60 31 35.7 – q 585
2016-06-03 22:56:40 C 13 15 07.14 +60 31 34.4 – q 585
2016-06-03 22:56:52 C 13 15 07.27 +60 31 32.8 – q 585
2016-06-03 22:57:03 C 13 15 07.41 +60 31 31.3 – q 585
2016-06-03 22:57:14 C 13 15 07.54 +60 31 29.5 – q 585
2016-06-03 22:57:25 C 13 15 07.69 +60 31 27.9 – q 585
2016-06-03 22:57:37 C 13 15 07.81 +60 31 26.8 – q 585
2016-06-03 22:57:48 C 13 15 07.96 +60 31 25.2 – q 585
2016-06-03 22:57:58 C 13 15 08.09 +60 31 23.5 – q 585
2016-06-03 22:58:09 C 13 15 08.20 +60 31 22.0 – q 585
2016-06-03 22:58:21 C 13 15 08.36 +60 31 20.6 – q 585
2016-06-03 22:58:32 C 13 15 08.50 +60 31 18.9 – q 585
2016-06-03 22:58:43 C 13 15 08.63 +60 31 17.4 – q 585
2016-06-03 22:58:54 C 13 15 08.75 +60 31 16.0 – q 585
2016-06-03 22:59:06 C 13 15 08.90 +60 31 14.3 – q 585
2016-06-03 22:59:17 C 13 15 09.06 +60 31 12.2 – q 585
2016-06-03 22:59:28 C 13 15 09.16 +60 31 11.3 – q 585
2016-06-03 22:59:53 C 13 15 09.48 +60 31 07.8 – q 585
2016-06-03 23:00:31 C 13 15 09.94 +60 31 02.5 – q 585
2016-06-03 23:00:42 C 13 15 10.07 +60 31 01.0 – q 585
2016-06-03 23:00:54 C 13 15 10.22 +60 30 59.4 – q 585
2016-06-03 23:01:05 C 13 15 10.33 +60 30 57.8 – q 585
2016-06-03 23:01:16 C 13 15 10.43 +60 30 56.7 – q 585
2016-06-03 23:01:27 C 13 15 10.57 +60 30 55.0 – q 585
2016-06-03 23:01:39 C 13 15 10.74 +60 30 53.5 – q 585
2016-06-03 23:01:50 C 13 15 10.89 +60 30 51.8 – q 585
2016-06-03 23:02:01 C 13 15 11.03 +60 30 50.4 – q 585
2016-06-03 23:02:12 C 13 15 11.14 +60 30 48.7 – q 585
2016-06-03 23:02:23 C 13 15 11.27 +60 30 47.3 – q 585
2016-06-03 23:02:35 C 13 15 11.41 +60 30 45.5 – q 585
2016-06-03 23:02:46 C 13 15 11.56 +60 30 44.2 – q 585
2016-06-03 23:02:57 C 13 15 11.71 +60 30 42.6 – q 585
2016-06-03 23:03:08 C 13 15 11.81 +60 30 41.0 – q 585
2016-06-03 23:03:20 C 13 15 11.98 +60 30 39.3 – q 585
2016-06-03 23:03:31 C 13 15 12.12 +60 30 37.8 – q 585
2016-06-03 23:03:42 C 13 15 12.23 +60 30 36.4 – q 585