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 23:45:23 C 13 15 42.41 +60 24 52.6 – q 585
2016-06-03 23:45:34 C 13 15 42.52 +60 24 51.2 – q 585
2016-06-03 23:45:45 C 13 15 42.64 +60 24 49.7 – q 585
2016-06-03 23:45:56 C 13 15 42.79 +60 24 48.0 – q 585
2016-06-03 23:46:07 C 13 15 42.93 +60 24 46.6 – q 585
2016-06-03 23:46:19 C 13 15 43.08 +60 24 45.1 – q 585
2016-06-03 23:46:29 C 13 15 43.19 +60 24 43.6 – q 585
2016-06-03 23:46:40 C 13 15 43.31 +60 24 42.1 – q 585
2016-06-03 23:46:52 C 13 15 43.47 +60 24 40.4 – q 585
2016-06-03 23:47:03 C 13 15 43.68 +60 24 39.6 – q 585
2016-06-03 23:47:14 C 13 15 43.73 +60 24 37.4 – q 585
2016-06-03 23:57:50 C 13 15 51.38 +60 23 09.9 – q 585
2016-06-03 23:58:03 C 13 15 51.47 +60 23 07.9 – q 585
2016-06-03 23:58:14 C 13 15 51.65 +60 23 06.6 – q 585
2016-06-03 23:58:25 C 13 15 51.79 +60 23 05.3 – q 585
2016-06-03 23:58:37 C 13 15 51.94 +60 23 03.6 – q 585
2016-06-03 23:58:48 C 13 15 52.04 +60 23 02.1 – q 585
2016-06-03 23:58:59 C 13 15 52.17 +60 23 00.1 – q 585
2016-06-03 23:59:10 C 13 15 52.41 +60 22 58.1 – q 585
2016-06-03 23:59:21 C 13 15 52.44 +60 22 57.4 – q 585
2016-06-03 23:59:33 C 13 15 52.62 +60 22 56.1 – q 585
2016-06-03 23:59:44 C 13 15 52.76 +60 22 55.1 – q 585
2016-06-03 23:59:55 C 13 15 52.83 +60 22 52.9 – q 585
2016-06-04 00:00:06 C 13 15 52.98 +60 22 51.1 – q 585
2016-06-04 00:00:39 C 13 15 53.38 +60 22 47.0 – q 585
2016-06-04 00:00:53 C 13 15 53.62 +60 22 44.6 – q 585
2016-06-04 00:01:04 C 13 15 53.69 +60 22 43.5 – q 585
2016-06-04 00:01:32 C 13 15 54.05 +60 22 39.2 – q 585
2016-06-04 00:01:46 C 13 15 54.17 +60 22 37.8 – q 585
2016-06-04 00:01:57 C 13 15 54.30 +60 22 36.1 – q 585
2016-06-04 00:02:08 C 13 15 54.46 +60 22 34.4 – q 585
2016-06-04 00:02:19 C 13 15 54.60 +60 22 32.7 – q 585
2016-06-04 00:02:31 C 13 15 54.75 +60 22 31.7 – q 585
2016-06-04 00:02:42 C 13 15 54.87 +60 22 29.8 – q 585
2016-06-04 00:02:53 C 13 15 55.01 +60 22 28.6 – q 585
2016-06-04 00:03:04 C 13 15 55.09 +60 22 27.4 – q 585
2016-06-04 00:03:15 C 13 15 55.26 +60 22 25.3 – q 585
2016-06-04 00:03:26 C 13 15 55.42 +60 22 23.7 – q 585
2016-06-04 00:03:37 C 13 15 55.54 +60 22 22.3 – q 585
2016-06-04 00:03:48 C 13 15 55.65 +60 22 21.0 – q 585
2016-06-04 00:04:00 C 13 15 55.82 +60 22 19.0 – q 585
2016-06-04 00:04:11 C 13 15 55.91 +60 22 17.8 – q 585
2016-06-04 00:04:22 C 13 15 56.05 +60 22 15.8 – q 585
2016-06-04 00:04:33 C 13 15 56.15 +60 22 14.0 – q 585
2016-06-04 00:04:45 C 13 15 56.28 +60 22 12.9 – q 585
2016-06-04 00:04:56 C 13 15 56.47 +60 22 11.6 – q 585
2016-06-04 00:05:07 C 13 15 56.62 +60 22 09.7 – q 585
2016-06-04 00:05:18 C 13 15 56.75 +60 22 08.4 – q 585
2016-06-04 00:05:30 C 13 15 56.86 +60 22 06.6 – q 585
2016-06-04 00:05:41 C 13 15 56.97 +60 22 05.4 – q 585