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 00:05:52 C 13 15 57.12 +60 22 03.9 – q 585
2016-06-04 00:06:03 C 13 15 57.29 +60 22 02.6 – q 585
2016-06-04 00:06:14 C 13 15 57.35 +60 22 01.1 – q 585
2016-06-04 00:06:26 C 13 15 57.52 +60 21 59.1 – q 585
2016-06-04 00:06:36 C 13 15 57.60 +60 21 57.9 – q 585
2016-06-04 00:06:47 C 13 15 57.82 +60 21 55.9 – q 585
2016-06-04 00:06:59 C 13 15 57.94 +60 21 54.6 – q 585
2016-06-04 00:07:10 C 13 15 58.05 +60 21 52.9 – q 585
2016-06-04 00:07:21 C 13 15 58.26 +60 21 51.3 – q 585
2016-06-04 00:07:32 C 13 15 58.34 +60 21 49.8 – q 585
2016-06-04 00:07:43 C 13 15 58.49 +60 21 48.4 – q 585
2016-06-04 00:07:55 C 13 15 58.62 +60 21 47.2 – q 585
2016-06-04 00:08:06 C 13 15 58.74 +60 21 45.5 – q 585
2016-06-04 00:08:17 C 13 15 58.92 +60 21 44.3 – q 585
2016-06-04 00:08:28 C 13 15 59.04 +60 21 42.5 – q 585
2016-06-04 00:08:40 C 13 15 59.14 +60 21 40.5 – q 585
2016-06-04 00:08:51 C 13 15 59.27 +60 21 39.5 – q 585
2016-06-04 00:09:02 C 13 15 59.41 +60 21 37.5 – q 585
2016-06-04 00:09:13 C 13 15 59.57 +60 21 36.4 – q 585
2016-06-04 00:09:25 C 13 15 59.72 +60 21 34.5 – q 585
2016-06-04 00:09:36 C 13 15 59.78 +60 21 32.9 – q 585
2016-06-04 00:09:47 C 13 15 59.98 +60 21 31.8 – q 585
2016-06-04 00:09:58 C 13 16 00.09 +60 21 30.2 – q 585
2016-06-04 00:10:09 C 13 16 00.23 +60 21 28.5 – q 585
2016-06-04 00:10:20 C 13 16 00.44 +60 21 26.7 – q 585
2016-06-04 00:10:31 C 13 16 00.50 +60 21 25.5 – q 585
2016-06-04 00:10:42 C 13 16 00.64 +60 21 23.7 – q 585
2016-06-04 00:10:54 C 13 16 00.75 +60 21 22.4 – q 585
2016-06-04 00:11:05 C 13 16 00.89 +60 21 21.1 – q 585
2016-06-04 00:11:16 C 13 16 01.08 +60 21 19.0 – q 585
2016-06-04 00:11:27 C 13 16 01.21 +60 21 18.0 – q 585
2016-06-04 00:11:38 C 13 16 01.27 +60 21 16.1 – q 585
2016-06-04 00:11:50 C 13 16 01.44 +60 21 14.2 – q 585
2016-06-04 00:12:01 C 13 16 01.62 +60 21 12.9 – q 585
2016-06-04 00:12:26 C 13 16 01.91 +60 21 09.9 – q 585
2016-06-04 00:12:40 C 13 16 01.99 +60 21 08.2 – q 585
2016-06-04 00:12:51 C 13 16 02.21 +60 21 06.4 – q 585
2016-06-04 00:13:02 C 13 16 02.32 +60 21 04.6 – q 585
2016-06-04 00:13:14 C 13 16 02.47 +60 21 03.5 – q 585
2016-06-04 00:13:25 C 13 16 02.64 +60 21 01.6 – q 585
2016-06-04 00:13:36 C 13 16 02.75 +60 21 00.1 – q 585
2016-06-04 00:13:47 C 13 16 02.86 +60 20 58.7 – q 585
2016-06-04 00:13:58 C 13 16 02.98 +60 20 57.3 – q 585
2016-06-04 00:14:10 C 13 16 03.11 +60 20 55.6 – q 585
2016-06-04 00:14:20 C 13 16 03.23 +60 20 54.4 – q 585
2016-06-04 00:14:31 C 13 16 03.30 +60 20 53.2 – q 585
2016-06-04 00:14:43 C 13 16 03.55 +60 20 51.0 – q 585
2016-06-04 00:14:54 C 13 16 03.63 +60 20 49.5 – q 585
2016-06-04 00:15:05 C 13 16 03.77 +60 20 48.3 – q 585
2016-06-04 00:15:16 C 13 16 03.93 +60 20 46.4 – q 585