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
2020-06-02 21:14:15 s 1 -62628.899 0 +395169.66 8560.0 – C57
2020-06-02 21:44:16 S 17 37 11.882 +22 10 30.65 – V C57
2020-06-02 21:44:16 s 1 -63573.540 0 +394868.40 2150.0 – C57
2020-06-02 22:14:15 S 17 37 05.105 +22 09 24.44 – V C57
2020-06-02 22:14:15 s 1 -64516.769 0 +394559.26 6080.0 – C57
2020-06-02 22:44:15 S 17 36 57.869 +22 08 14.86 – V C57
2020-06-02 22:44:15 s 1 -65458.565 0 +394242.23 360.0 – C57
2020-06-02 23:14:16 S 17 36 50.885 +22 07 06.89 – V C57
2020-06-02 23:14:16 s 1 -66398.907 0 +393917.30 5020.0 – C57
2020-06-02 23:44:15 S 17 36 43.675 +22 05 57.55 – V C57
2020-06-02 23:44:15 s 1 -67337.776 0 +393584.48 60.0 – C57
2020-06-03 00:14:15 S 17 36 36.756 +22 04 51.42 – V C57
2020-06-03 00:14:15 s 1 -68275.150 0 +393243.77 5510.0 – C57
2020-06-03 00:44:15 S 17 36 29.573 +22 03 40.72 – V C57
2020-06-03 00:44:15 s 1 -69211.009 0 +392895.15 1380.0 – C57
2020-06-03 01:14:15 S 17 36 22.687 +22 02 34.94 – V C57
2020-06-03 01:14:15 s 1 -70145.332 0 +392538.63 7680.0 – C57
2020-06-03 01:44:15 S 17 36 15.658 +22 01 26.15 – V C57
2020-06-03 01:44:15 s 1 -71078.098 0 +392174.20 4430.0 – C57
2020-06-03 02:14:15 S 17 36 08.489 +22 00 17.35 – V C57
2020-06-03 02:14:15 s 1 -72009.286 0 +391801.85 1640.0 – C57
2020-06-03 02:44:15 S 17 36 01.577 +21 59 10.14 – V C57
2020-06-03 02:44:15 s 1 -72938.876 0 +391421.59 9330.0 – C57
2020-06-03 03:14:15 S 17 35 54.679 +21 58 03.29 – V C57
2020-06-03 03:14:15 s 1 -73866.847 0 +391033.41 7520.0 – C57
2020-06-03 03:44:15 S 17 35 47.674 +21 56 54.74 – V C57
2020-06-03 03:44:15 s 1 -74793.176 0 +390637.31 6220.0 – C57
2020-06-03 04:14:15 S 17 35 40.586 +21 55 46.34 – V C57
2020-06-03 04:14:15 s 1 -75717.843 0 +390233.27 5440.0 – C57
2020-06-03 04:44:15 S 17 35 33.840 +21 54 40.39 – V C57
2020-06-03 04:44:15 s 1 -76640.827 0 +389821.30 5200.0 – C57
2020-06-03 05:12:23 C 17 35 00.74 +22 00 57.0 – u H21
2020-06-03 05:14:15 S 17 35 26.729 +21 53 31.60 – V C57
2020-06-03 05:14:15 s 1 -77562.106 0 +389401.39 5520.0 – C57
2020-06-03 05:14:54 C 17 35 00.13 +22 00 51.1 – u H21
2020-06-03 05:17:25 C 17 34 59.51 +22 00 45.4 – u H21
2020-06-03 05:19:56 C 17 34 58.90 +22 00 39.6 – u H21
2020-06-03 05:22:27 C 17 34 58.29 +22 00 33.8 – u H21
2020-06-03 05:24:59 C 17 34 57.67 +22 00 28.0 – u H21
2020-06-03 05:27:30 C 17 34 57.06 +22 00 22.2 – u H21
2020-06-03 05:30:01 C 17 34 56.44 +22 00 16.4 – u H21
2020-06-03 05:32:32 C 17 34 55.83 +22 00 10.7 – u H21
2020-06-03 05:35:03 C 17 34 55.21 +22 00 04.9 – u H21
2020-06-03 05:37:34 C 17 34 54.59 +21 59 59.0 – u H21
2020-06-03 05:40:05 C 17 34 53.99 +21 59 53.2 – u H21
2020-06-03 05:42:36 C 17 34 53.37 +21 59 47.4 – u H21
2020-06-03 05:45:07 C 17 34 52.75 +21 59 41.6 – u H21
2020-06-03 05:47:38 C 17 34 52.14 +21 59 35.8 – u H21
2020-06-03 05:50:09 C 17 34 51.53 +21 59 30.1 – u H21
2020-06-03 06:14:15 S 17 35 13.037 +21 51 17.71 – V C57