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
2020-05-30 13:11:55 C 17 58 38.431 +25 31 26.17 – U F52
2020-05-30 13:42:10 C 17 58 29.18 +25 30 11.4 – V T05
2020-05-30 14:23:34 C 17 58 16.55 +25 28 28.8 – V T05
2020-05-31 01:34:20 C 17 54 59.99 +25 01 04.1 – o Z22
2020-05-31 01:36:20 C 17 54 59.40 +25 00 59.0 – o Z22
2020-05-31 03:31:57 C 17 54 25.16 +24 56 16.6 – o Z22
2020-05-31 05:30:26 C 17 53 52.40 +24 51 23.3 – t U77
2020-05-31 05:35:28 C 17 53 51.01 +24 51 11.3 – t U77
2020-05-31 05:40:01 C 17 53 49.68 +24 51 00.4 – t U77
2020-05-31 22:13:45 C 17 49 09.25 +24 10 47.4 – V K83
2020-05-31 22:15:17 C 17 49 08.84 +24 10 43.9 – V K83
2020-05-31 22:18:23 C 17 49 07.96 +24 10 36.4 – V K83
2020-05-31 22:19:56 C 17 49 07.48 +24 10 32.9 – V K83
2020-05-31 22:21:29 C 17 49 07.10 +24 10 28.9 – V K83
2020-05-31 23:58:46 C 17 48 39.79 +24 06 31.7 – V L65
2020-06-01 00:13:01 C 17 48 35.88 +24 06 00.8 – V 130
2020-06-01 00:14:55 C 17 48 35.35 +24 05 56.0 – V 130
2020-06-01 00:15:23 C 17 48 35.20 +24 05 52.3 – V L65
2020-06-01 00:17:12 C 17 48 34.71 +24 05 50.5 – V 130
2020-06-01 00:19:53 C 17 48 33.96 +24 05 44.1 – V 130
2020-06-01 00:27:57 C 17 48 31.68 +24 05 21.8 – V L65
2020-06-01 12:05:58 C 17 45 22.91 +23 37 39.6 – V T08
2020-06-01 12:13:25 C 17 45 20.88 +23 37 21.7 – V T08
2020-06-01 12:18:04 C 17 45 19.62 +23 37 10.6 – V T08
2020-06-01 12:41:21 C 17 45 13.28 +23 36 14.8 – V T08
2020-06-02 09:43:58 C 17 39 47.73 +22 46 23.6 – V T05
2020-06-02 09:46:36 C 17 39 47.05 +22 46 17.4 – V T05
2020-06-02 09:56:22 C 17 39 44.53 +22 45 54.6 – V T05
2020-06-02 10:12:21 C 17 39 40.43 +22 45 17.2 – V T05
2020-06-02 15:44:16 S 17 38 37.555 +22 24 13.79 – V C57
2020-06-02 15:44:16 s 1 -52150.373 0 +397963.55 7330.0 – C57
2020-06-02 16:14:15 S 17 38 30.562 +22 23 06.94 – V C57
2020-06-02 16:14:15 s 1 -53109.226 0 +397748.92 8160.0 – C57
2020-06-02 16:44:15 S 17 38 23.304 +22 21 56.63 – V C57
2020-06-02 16:44:15 s 1 -54066.887 0 +397526.42 9170.0 – C57
2020-06-02 17:44:15 S 17 38 08.849 +22 19 37.88 – V C57
2020-06-02 17:44:15 s 1 -55978.553 0 +397057.82 1760.0 – C57
2020-06-02 18:14:15 S 17 38 01.944 +22 18 32.65 – V C57
2020-06-02 18:14:15 s 1 -56932.517 0 +396811.71 3380.0 – C57
2020-06-02 18:44:16 S 17 37 54.718 +22 17 23.10 – V C57
2020-06-02 18:44:16 s 1 -57885.210 0 +396557.72 5230.0 – C57
2020-06-02 19:14:15 S 17 37 47.585 +22 16 13.76 – V C57
2020-06-02 19:14:15 s 1 -58836.612 0 +396295.86 7340.0 – C57
2020-06-02 19:44:15 S 17 37 40.152 +22 15 02.48 – V C57
2020-06-02 19:44:15 s 1 -59786.701 0 +396026.13 9710.0 – C57
2020-06-02 20:14:16 S 17 37 33.338 +22 13 57.43 – V C57
2020-06-02 20:14:16 s 1 -60735.459 0 +395748.52 2360.0 – C57
2020-06-02 20:44:15 S 17 37 25.963 +22 12 45.97 – V C57
2020-06-02 20:44:15 s 1 -61682.865 0 +395463.03 5310.0 – C57
2020-06-02 21:14:15 S 17 37 18.960 +22 11 39.59 – V C57