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 23:14:56 C 13 15 20.35 +60 29 03.8 – q 585
2016-06-03 23:15:07 C 13 15 20.51 +60 29 02.3 – q 585
2016-06-03 23:15:19 C 13 15 20.66 +60 29 00.7 – q 585
2016-06-03 23:15:30 C 13 15 20.77 +60 28 59.2 – q 585
2016-06-03 23:15:41 C 13 15 20.92 +60 28 57.8 – q 585
2016-06-03 23:15:52 C 13 15 21.04 +60 28 56.0 – q 585
2016-06-03 23:16:03 C 13 15 21.20 +60 28 54.5 – q 585
2016-06-03 23:16:14 C 13 15 21.32 +60 28 53.0 – q 585
2016-06-03 23:16:25 C 13 15 21.46 +60 28 51.4 – q 585
2016-06-03 23:16:51 C 13 15 21.76 +60 28 47.8 – q 585
2016-06-03 23:17:04 C 13 15 21.92 +60 28 46.2 – q 585
2016-06-03 23:17:15 C 13 15 22.06 +60 28 44.6 – q 585
2016-06-03 23:17:26 C 13 15 22.21 +60 28 43.0 – q 585
2016-06-03 23:17:38 C 13 15 22.31 +60 28 41.6 – q 585
2016-06-03 23:17:49 C 13 15 22.47 +60 28 40.1 – q 585
2016-06-03 23:18:00 C 13 15 22.59 +60 28 38.6 – q 585
2016-06-03 23:18:10 C 13 15 22.73 +60 28 36.8 – q 585
2016-06-03 23:18:22 C 13 15 22.87 +60 28 35.5 – q 585
2016-06-03 23:18:33 C 13 15 22.99 +60 28 34.1 – q 585
2016-06-03 23:18:44 C 13 15 23.13 +60 28 32.4 – q 585
2016-06-03 23:18:55 C 13 15 23.27 +60 28 30.9 – q 585
2016-06-03 23:19:07 C 13 15 23.41 +60 28 29.2 – q 585
2016-06-03 23:19:18 C 13 15 23.54 +60 28 27.7 – q 585
2016-06-03 23:19:29 C 13 15 23.67 +60 28 26.4 – q 585
2016-06-03 23:19:40 C 13 15 23.82 +60 28 24.4 – q 585
2016-06-03 23:19:52 C 13 15 23.93 +60 28 23.3 – q 585
2016-06-03 23:20:03 C 13 15 24.07 +60 28 21.6 – q 585
2016-06-03 23:20:14 C 13 15 24.20 +60 28 20.0 – q 585
2016-06-03 23:20:25 C 13 15 24.35 +60 28 18.5 – q 585
2016-06-03 23:20:36 C 13 15 24.48 +60 28 16.9 – q 585
2016-06-03 23:20:48 C 13 15 24.63 +60 28 15.6 – q 585
2016-06-03 23:20:59 C 13 15 24.77 +60 28 14.0 – q 585
2016-06-03 23:21:24 C 13 15 25.06 +60 28 10.3 – q 585
2016-06-03 23:21:38 C 13 15 25.22 +60 28 08.7 – q 585
2016-06-03 23:21:49 C 13 15 25.37 +60 28 06.9 – q 585
2016-06-03 23:22:00 C 13 15 25.48 +60 28 05.5 – q 585
2016-06-03 23:22:11 C 13 15 25.63 +60 28 04.0 – q 585
2016-06-03 23:22:22 C 13 15 25.77 +60 28 02.4 – q 585
2016-06-03 23:22:33 C 13 15 25.89 +60 28 01.1 – q 585
2016-06-03 23:22:44 C 13 15 26.03 +60 27 59.4 – q 585
2016-06-03 23:22:56 C 13 15 26.16 +60 27 57.7 – q 585
2016-06-03 23:23:07 C 13 15 26.29 +60 27 56.3 – q 585
2016-06-03 23:23:18 C 13 15 26.45 +60 27 54.7 – q 585
2016-06-03 23:23:29 C 13 15 26.57 +60 27 53.2 – q 585
2016-06-03 23:23:40 C 13 15 26.73 +60 27 51.8 – q 585
2016-06-03 23:23:52 C 13 15 26.84 +60 27 50.2 – q 585
2016-06-03 23:24:03 C 13 15 26.96 +60 27 48.6 – q 585
2016-06-03 23:24:14 C 13 15 27.11 +60 27 47.0 – q 585
2016-06-03 23:24:25 C 13 15 27.25 +60 27 45.5 – q 585
2016-06-03 23:24:37 C 13 15 27.38 +60 27 44.0 – q 585