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 23:03:53 C 13 15 12.35 +60 30 35.0 – q 585
2016-06-03 23:04:05 C 13 15 12.50 +60 30 33.4 – q 585
2016-06-03 23:04:16 C 13 15 12.63 +60 30 32.0 – q 585
2016-06-03 23:04:26 C 13 15 12.79 +60 30 30.3 – q 585
2016-06-03 23:04:52 C 13 15 13.07 +60 30 26.8 – q 585
2016-06-03 23:05:30 C 13 15 13.53 +60 30 21.5 – q 585
2016-06-03 23:05:41 C 13 15 13.69 +60 30 19.8 – q 585
2016-06-03 23:05:53 C 13 15 13.80 +60 30 18.4 – q 585
2016-06-03 23:06:04 C 13 15 13.96 +60 30 17.0 – q 585
2016-06-03 23:06:15 C 13 15 14.09 +60 30 15.3 – q 585
2016-06-03 23:06:26 C 13 15 14.22 +60 30 13.8 – q 585
2016-06-03 23:06:38 C 13 15 14.36 +60 30 12.0 – q 585
2016-06-03 23:06:49 C 13 15 14.50 +60 30 10.7 – q 585
2016-06-03 23:06:59 C 13 15 14.63 +60 30 09.4 – q 585
2016-06-03 23:07:10 C 13 15 14.72 +60 30 07.8 – q 585
2016-06-03 23:07:22 C 13 15 14.88 +60 30 06.2 – q 585
2016-06-03 23:07:33 C 13 15 15.04 +60 30 04.6 – q 585
2016-06-03 23:07:44 C 13 15 15.15 +60 30 03.0 – q 585
2016-06-03 23:07:55 C 13 15 15.30 +60 30 01.2 – q 585
2016-06-03 23:08:07 C 13 15 15.43 +60 30 00.1 – q 585
2016-06-03 23:08:18 C 13 15 15.54 +60 29 58.4 – q 585
2016-06-03 23:08:29 C 13 15 15.71 +60 29 56.9 – q 585
2016-06-03 23:08:40 C 13 15 15.83 +60 29 55.5 – q 585
2016-06-03 23:08:51 C 13 15 15.98 +60 29 53.9 – q 585
2016-06-03 23:09:03 C 13 15 16.13 +60 29 52.3 – q 585
2016-06-03 23:09:14 C 13 15 16.25 +60 29 51.0 – q 585
2016-06-03 23:09:25 C 13 15 16.39 +60 29 49.1 – q 585
2016-06-03 23:09:50 C 13 15 16.68 +60 29 45.7 – q 585
2016-06-03 23:10:28 C 13 15 17.13 +60 29 40.8 – q 585
2016-06-03 23:10:39 C 13 15 17.26 +60 29 39.0 – q 585
2016-06-03 23:10:51 C 13 15 17.43 +60 29 37.4 – q 585
2016-06-03 23:11:02 C 13 15 17.54 +60 29 36.1 – q 585
2016-06-03 23:11:13 C 13 15 17.70 +60 29 34.6 – q 585
2016-06-03 23:11:24 C 13 15 17.82 +60 29 33.0 – q 585
2016-06-03 23:11:36 C 13 15 17.97 +60 29 31.3 – q 585
2016-06-03 23:12:07 C 13 15 18.33 +60 29 26.9 – q 585
2016-06-03 23:12:21 C 13 15 18.52 +60 29 25.1 – q 585
2016-06-03 23:12:32 C 13 15 18.63 +60 29 23.6 – q 585
2016-06-03 23:12:43 C 13 15 18.77 +60 29 22.0 – q 585
2016-06-03 23:12:54 C 13 15 18.90 +60 29 20.5 – q 585
2016-06-03 23:13:05 C 13 15 19.03 +60 29 19.1 – q 585
2016-06-03 23:13:16 C 13 15 19.16 +60 29 17.5 – q 585
2016-06-03 23:13:27 C 13 15 19.32 +60 29 16.0 – q 585
2016-06-03 23:13:38 C 13 15 19.42 +60 29 14.6 – q 585
2016-06-03 23:13:50 C 13 15 19.57 +60 29 12.9 – q 585
2016-06-03 23:14:01 C 13 15 19.71 +60 29 11.4 – q 585
2016-06-03 23:14:12 C 13 15 19.83 +60 29 09.8 – q 585
2016-06-03 23:14:23 C 13 15 19.96 +60 29 08.4 – q 585
2016-06-03 23:14:34 C 13 15 20.14 +60 29 06.8 – q 585
2016-06-03 23:14:45 C 13 15 20.24 +60 29 05.3 – q 585