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
2016-06-04 00:15:27 C 13 16 04.04 +60 20 44.7 – q 585
2016-06-04 00:15:39 C 13 16 04.21 +60 20 43.5 – q 585
2016-06-04 00:15:50 C 13 16 04.32 +60 20 41.6 – q 585
2016-06-04 00:16:01 C 13 16 04.43 +60 20 39.8 – q 585
2016-06-04 00:16:12 C 13 16 04.65 +60 20 38.6 – q 585
2016-06-04 00:16:24 C 13 16 04.68 +60 20 37.5 – q 585
2016-06-04 00:16:35 C 13 16 04.92 +60 20 35.5 – q 585
2016-06-04 00:16:46 C 13 16 05.02 +60 20 34.0 – q 585
2016-06-04 00:16:57 C 13 16 05.15 +60 20 32.8 – q 585
2016-06-04 00:17:09 C 13 16 05.23 +60 20 31.1 – q 585
2016-06-04 00:17:20 C 13 16 05.42 +60 20 29.3 – q 585
2016-06-04 00:17:31 C 13 16 05.52 +60 20 27.8 – q 585
2016-06-04 00:17:42 C 13 16 05.62 +60 20 26.3 – q 585
2016-06-04 00:17:53 C 13 16 05.84 +60 20 24.9 – q 585
2016-06-04 00:18:04 C 13 16 05.93 +60 20 23.5 – q 585
2016-06-04 00:18:15 C 13 16 06.07 +60 20 21.4 – q 585
2016-06-04 00:18:26 C 13 16 06.21 +60 20 20.8 – q 585
2016-06-04 00:18:38 C 13 16 06.32 +60 20 18.9 – q 585
2016-06-04 00:18:49 C 13 16 06.52 +60 20 17.3 – q 585
2016-06-04 00:19:00 C 13 16 06.63 +60 20 15.8 – q 585
2016-06-04 00:19:11 C 13 16 06.69 +60 20 14.5 – q 585
2016-06-04 00:19:22 C 13 16 06.90 +60 20 12.3 – q 585
2016-06-04 00:19:34 C 13 16 06.99 +60 20 11.1 – q 585
2016-06-04 00:19:45 C 13 16 07.18 +60 20 09.4 – q 585
2016-06-04 00:19:56 C 13 16 07.30 +60 20 08.0 – q 585
2016-06-04 00:20:07 C 13 16 07.42 +60 20 06.5 – q 585
2016-06-04 00:20:19 C 13 16 07.57 +60 20 05.2 – q 585
2016-06-04 00:20:30 C 13 16 07.69 +60 20 03.3 – q 585
2016-06-04 00:20:41 C 13 16 07.84 +60 20 02.1 – q 585
2016-06-04 00:20:52 C 13 16 07.89 +60 20 00.4 – q 585
2016-06-04 00:21:04 C 13 16 08.10 +60 19 58.9 – q 585
2016-06-04 00:21:15 C 13 16 08.21 +60 19 57.3 – q 585
2016-06-04 00:21:26 C 13 16 08.29 +60 19 56.0 – q 585
2016-06-04 00:21:36 C 13 16 08.48 +60 19 54.0 – q 585
2016-06-04 00:21:48 C 13 16 08.56 +60 19 52.8 – q 585
2016-06-04 00:21:59 C 13 16 08.70 +60 19 51.3 – q 585
2016-06-04 00:22:10 C 13 16 08.84 +60 19 49.9 – q 585
2016-06-04 00:22:21 C 13 16 09.06 +60 19 48.2 – q 585
2016-06-04 00:22:33 C 13 16 09.22 +60 19 46.8 – q 585
2016-06-04 00:22:44 C 13 16 09.27 +60 19 45.0 – q 585
2016-06-04 00:23:10 C 13 16 09.63 +60 19 41.5 – q 585
2016-06-04 00:23:23 C 13 16 09.76 +60 19 39.8 – q 585
2016-06-04 00:23:34 C 13 16 09.83 +60 19 38.8 – q 585
2016-06-04 00:23:45 C 13 16 10.04 +60 19 36.3 – q 585
2016-06-04 00:23:56 C 13 16 10.12 +60 19 34.9 – q 585
2016-06-04 00:24:08 C 13 16 10.27 +60 19 33.8 – q 585
2016-06-04 00:24:19 C 13 16 10.41 +60 19 32.3 – q 585
2016-06-04 00:24:30 C 13 16 10.58 +60 19 30.1 – q 585
2016-06-04 00:24:41 C 13 16 10.68 +60 19 28.3 – q 585
2016-06-04 00:24:52 C 13 16 10.87 +60 19 27.8 – q 585