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
2016-06-06 07:54:34 C 13 47 16.27 +52 53 39.6 – L T05
2016-06-06 07:56:15 C 13 47 15.33 +52 53 12.3 – q 703
2016-06-06 08:07:09 C 13 47 21.55 +52 52 01.2 – L T05
2016-06-06 08:31:36 C 13 47 31.81 +52 48 50.0 – L T05
2016-06-06 08:40:39 C 13 47 35.63 +52 47 39.2 – L T05
2016-06-06 20:31:36 C 13 52 29.40 +51 16 05.8 – c Z95
2016-06-06 20:35:28 C 13 52 30.84 +51 15 36.3 – c Z95
2016-06-06 20:40:05 C 13 52 32.60 +51 15 00.9 – c Z95
2016-06-06 20:54:56 C 13 52 37.29 +51 13 02.9 – – L04
2016-06-06 20:56:36 C 13 52 37.97 +51 12 50.3 – – L04
2016-06-06 21:00:12 C 13 52 39.33 +51 12 22.8 – – L04
2016-06-07 02:22:27 C 13 54 43.74 +50 31 39.7 – u H21
2016-06-07 02:24:25 C 13 54 44.48 +50 31 24.8 – u H21
2016-06-07 02:26:22 C 13 54 45.19 +50 31 09.9 – u H21
2016-06-07 02:28:20 C 13 54 45.89 +50 30 55.2 – u H21
2016-06-07 02:30:18 C 13 54 46.62 +50 30 40.5 – u H21
2016-06-07 02:32:16 C 13 54 47.33 +50 30 25.5 – u H21
2016-06-07 02:34:13 C 13 54 48.04 +50 30 10.8 – u H21
2016-06-07 02:36:11 C 13 54 48.76 +50 29 55.8 – u H21
2016-06-07 02:38:08 C 13 54 49.47 +50 29 41.1 – u H21
2016-06-07 02:40:06 C 13 54 50.19 +50 29 26.3 – u H21
2016-06-07 05:37:41 C 13 55 54.35 +50 07 06.2 – q H45
2016-06-07 05:38:29 C 13 55 54.63 +50 07 00.3 – q H45
2016-06-07 05:39:19 C 13 55 54.92 +50 06 54.0 – q H45
2016-06-07 05:40:05 C 13 55 55.20 +50 06 48.1 – q H45
2016-06-07 05:41:01 C 13 55 55.54 +50 06 41.0 – q H45
2016-06-07 05:42:21 C 13 55 56.04 +50 06 30.8 – q H45
2016-06-07 07:30:23 C 13 56 34.83 +49 52 50.6 – P V78
2016-06-07 07:37:42 C 13 56 37.44 +49 51 53.7 – P V78
2016-06-07 07:45:42 C 13 56 40.32 +49 50 54.3 – P V78
2016-06-07 22:15:17 S 14 01 40.00 +48 04 01.2 – L C51
2016-06-08 01:23:47 S 14 02 40.30 +47 41 15.6 – L C51
2016-06-08 02:22:41 C 14 02 58.01 +47 34 20.5 – u H21
2016-06-08 02:24:39 C 14 02 58.59 +47 34 06.6 – u H21
2016-06-08 02:26:36 C 14 02 59.19 +47 33 52.4 – u H21
2016-06-08 02:28:34 C 14 02 59.81 +47 33 38.5 – u H21
2016-06-08 02:30:31 C 14 03 00.40 +47 33 24.4 – u H21
2016-06-08 02:32:28 C 14 03 00.99 +47 33 10.3 – u H21
2016-06-08 02:34:26 C 14 03 01.59 +47 32 56.4 – u H21
2016-06-08 02:36:22 C 14 03 02.17 +47 32 42.2 – u H21
2016-06-08 02:38:20 C 14 03 02.77 +47 32 28.1 – u H21
2016-06-08 02:40:17 C 14 03 03.36 +47 32 14.3 – u H21
2016-06-08 02:42:02 C 14 03 03.89 +47 32 01.5 – u H21
2016-06-08 02:58:13 S 14 03 09.99 +47 29 54.7 – L C51
2016-06-08 03:56:31 C 14 03 26.72 +47 23 01.9 – P V78
2016-06-08 04:02:47 C 14 03 28.67 +47 22 16.7 – P V78
2016-06-08 04:09:15 C 14 03 30.59 +47 21 30.8 – P V78
2016-06-08 04:32:28 S 14 03 39.30 +47 18 37.3 – L C51
2016-06-08 06:06:43 S 14 04 08.35 +47 07 22.8 – L C51
2016-06-08 09:15:24 S 14 05 05.49 +46 44 58.3 – L C51