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 23:24:48 C 13 15 27.50 +60 27 42.4 – q 585
2016-06-03 23:24:59 C 13 15 27.66 +60 27 40.9 – q 585
2016-06-03 23:25:10 C 13 15 27.79 +60 27 39.6 – q 585
2016-06-03 23:25:22 C 13 15 27.92 +60 27 37.9 – q 585
2016-06-03 23:25:33 C 13 15 28.05 +60 27 36.4 – q 585
2016-06-03 23:25:58 C 13 15 28.36 +60 27 32.7 – q 585
2016-06-03 23:26:12 C 13 15 28.52 +60 27 31.1 – q 585
2016-06-03 23:26:22 C 13 15 28.66 +60 27 29.3 – q 585
2016-06-03 23:26:33 C 13 15 28.80 +60 27 27.7 – q 585
2016-06-03 23:26:45 C 13 15 28.90 +60 27 26.0 – q 585
2016-06-03 23:26:56 C 13 15 29.04 +60 27 24.8 – q 585
2016-06-03 23:27:07 C 13 15 29.19 +60 27 23.4 – q 585
2016-06-03 23:27:18 C 13 15 29.33 +60 27 21.7 – q 585
2016-06-03 23:27:29 C 13 15 29.47 +60 27 20.2 – q 585
2016-06-03 23:27:41 C 13 15 29.62 +60 27 18.6 – q 585
2016-06-03 23:27:52 C 13 15 29.73 +60 27 17.1 – q 585
2016-06-03 23:28:03 C 13 15 29.87 +60 27 15.5 – q 585
2016-06-03 23:28:14 C 13 15 30.01 +60 27 14.1 – q 585
2016-06-03 23:28:26 C 13 15 30.15 +60 27 12.5 – q 585
2016-06-03 23:28:37 C 13 15 30.29 +60 27 11.0 – q 585
2016-06-03 23:28:48 C 13 15 30.40 +60 27 09.5 – q 585
2016-06-03 23:28:59 C 13 15 30.55 +60 27 07.9 – q 585
2016-06-03 23:29:11 C 13 15 30.69 +60 27 06.4 – q 585
2016-06-03 23:29:22 C 13 15 30.80 +60 27 04.9 – q 585
2016-06-03 23:29:33 C 13 15 30.94 +60 27 03.3 – q 585
2016-06-03 23:29:44 C 13 15 31.07 +60 27 01.7 – q 585
2016-06-03 23:29:55 C 13 15 31.20 +60 27 00.2 – q 585
2016-06-03 23:30:06 C 13 15 31.36 +60 26 58.7 – q 585
2016-06-03 23:30:32 C 13 15 31.66 +60 26 55.1 – q 585
2016-06-03 23:30:45 C 13 15 31.81 +60 26 53.4 – q 585
2016-06-03 23:30:56 C 13 15 31.94 +60 26 51.8 – q 585
2016-06-03 23:31:07 C 13 15 32.10 +60 26 50.3 – q 585
2016-06-03 23:31:18 C 13 15 32.21 +60 26 48.6 – q 585
2016-06-03 23:31:30 C 13 15 32.32 +60 26 47.2 – q 585
2016-06-03 23:32:15 C 13 15 32.89 +60 26 41.1 – q 585
2016-06-03 23:32:26 C 13 15 33.03 +60 26 39.4 – q 585
2016-06-03 23:32:37 C 13 15 33.17 +60 26 37.8 – q 585
2016-06-03 23:32:48 C 13 15 33.31 +60 26 36.4 – q 585
2016-06-03 23:33:00 C 13 15 33.44 +60 26 34.9 – q 585
2016-06-03 23:33:11 C 13 15 33.57 +60 26 33.6 – q 585
2016-06-03 23:33:22 C 13 15 33.70 +60 26 31.7 – q 585
2016-06-03 23:33:33 C 13 15 33.82 +60 26 30.3 – q 585
2016-06-03 23:33:44 C 13 15 33.96 +60 26 28.8 – q 585
2016-06-03 23:33:56 C 13 15 34.11 +60 26 27.2 – q 585
2016-06-03 23:34:06 C 13 15 34.25 +60 26 25.6 – q 585
2016-06-03 23:34:17 C 13 15 34.39 +60 26 24.1 – q 585
2016-06-03 23:34:28 C 13 15 34.51 +60 26 22.4 – q 585
2016-06-03 23:34:40 C 13 15 34.66 +60 26 21.1 – q 585
2016-06-03 23:35:06 C 13 15 34.96 +60 26 17.5 – q 585
2016-06-03 23:35:19 C 13 15 35.11 +60 26 15.6 – q 585