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 23:35:30 C 13 15 35.24 +60 26 14.1 – q 585
2016-06-03 23:35:41 C 13 15 35.38 +60 26 12.7 – q 585
2016-06-03 23:35:52 C 13 15 35.51 +60 26 11.1 – q 585
2016-06-03 23:36:04 C 13 15 35.65 +60 26 09.3 – q 585
2016-06-03 23:36:15 C 13 15 35.79 +60 26 08.0 – q 585
2016-06-03 23:36:26 C 13 15 35.93 +60 26 06.6 – q 585
2016-06-03 23:36:37 C 13 15 36.06 +60 26 04.9 – q 585
2016-06-03 23:36:48 C 13 15 36.19 +60 26 03.5 – q 585
2016-06-03 23:37:00 C 13 15 36.32 +60 26 01.9 – q 585
2016-06-03 23:37:11 C 13 15 36.47 +60 26 00.3 – q 585
2016-06-03 23:37:22 C 13 15 36.61 +60 25 58.8 – q 585
2016-06-03 23:37:33 C 13 15 36.74 +60 25 57.4 – q 585
2016-06-03 23:37:45 C 13 15 36.87 +60 25 55.7 – q 585
2016-06-03 23:37:55 C 13 15 37.00 +60 25 54.1 – q 585
2016-06-03 23:38:06 C 13 15 37.16 +60 25 52.7 – q 585
2016-06-03 23:38:17 C 13 15 37.27 +60 25 51.3 – q 585
2016-06-03 23:38:29 C 13 15 37.41 +60 25 49.6 – q 585
2016-06-03 23:38:40 C 13 15 37.54 +60 25 48.1 – q 585
2016-06-03 23:38:51 C 13 15 37.67 +60 25 46.3 – q 585
2016-06-03 23:39:02 C 13 15 37.83 +60 25 44.9 – q 585
2016-06-03 23:39:14 C 13 15 37.96 +60 25 43.5 – q 585
2016-06-03 23:39:40 C 13 15 38.26 +60 25 40.0 – q 585
2016-06-03 23:39:52 C 13 15 38.40 +60 25 38.3 – q 585
2016-06-03 23:40:04 C 13 15 38.55 +60 25 36.6 – q 585
2016-06-03 23:40:15 C 13 15 38.70 +60 25 34.9 – q 585
2016-06-03 23:40:26 C 13 15 38.83 +60 25 33.5 – q 585
2016-06-03 23:40:37 C 13 15 38.95 +60 25 31.9 – q 585
2016-06-03 23:40:49 C 13 15 39.10 +60 25 30.5 – q 585
2016-06-03 23:41:00 C 13 15 39.23 +60 25 29.0 – q 585
2016-06-03 23:41:11 C 13 15 39.36 +60 25 27.2 – q 585
2016-06-03 23:41:22 C 13 15 39.50 +60 25 25.9 – q 585
2016-06-03 23:41:34 C 13 15 39.62 +60 25 24.3 – q 585
2016-06-03 23:41:45 C 13 15 39.76 +60 25 22.8 – q 585
2016-06-03 23:41:56 C 13 15 39.92 +60 25 21.1 – q 585
2016-06-03 23:42:07 C 13 15 40.01 +60 25 19.6 – q 585
2016-06-03 23:42:18 C 13 15 40.16 +60 25 18.1 – q 585
2016-06-03 23:42:29 C 13 15 40.29 +60 25 16.5 – q 585
2016-06-03 23:42:40 C 13 15 40.53 +60 25 15.6 – q 585
2016-06-03 23:42:51 C 13 15 40.56 +60 25 13.7 – q 585
2016-06-03 23:43:03 C 13 15 40.72 +60 25 12.0 – q 585
2016-06-03 23:43:14 C 13 15 40.84 +60 25 10.5 – q 585
2016-06-03 23:43:25 C 13 15 40.96 +60 25 08.8 – q 585
2016-06-03 23:43:36 C 13 15 41.11 +60 25 07.4 – q 585
2016-06-03 23:43:47 C 13 15 41.23 +60 25 06.4 – q 585
2016-06-03 23:44:13 C 13 15 41.54 +60 25 02.3 – q 585
2016-06-03 23:44:26 C 13 15 41.71 +60 25 00.4 – q 585
2016-06-03 23:44:38 C 13 15 41.84 +60 24 59.0 – q 585
2016-06-03 23:44:49 C 13 15 41.98 +60 24 57.4 – q 585
2016-06-03 23:45:00 C 13 15 42.10 +60 24 55.8 – q 585
2016-06-03 23:45:11 C 13 15 42.25 +60 24 54.2 – q 585