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
2020-05-22 22:53:36 C 19 07 26.16 +32 54 16.1 – V K83
2020-05-22 22:55:07 C 19 07 25.45 +32 54 12.9 – V K83
2020-05-22 22:57:40 C 19 07 24.27 +32 54 07.3 – V K83
2020-05-23 22:00:41 C 18 57 03.54 +32 01 33.9 – q K73
2020-05-23 22:05:42 C 18 57 01.37 +32 01 22.3 – q K73
2020-05-23 22:08:55 C 18 56 59.93 +32 01 14.8 – q K73
2020-05-24 10:30:31 C 18 51 39.276 +31 32 26.74 – U F51
2020-05-24 10:46:17 C 18 51 32.451 +31 31 49.95 – U F51
2020-05-24 11:02:06 C 18 51 25.590 +31 31 12.99 – U F51
2020-05-24 13:08:29 C 18 50 30.86 +31 26 15.9 – V T08
2020-05-24 13:28:17 C 18 50 22.31 +31 25 29.0 – V T08
2020-05-24 14:08:15 C 18 50 05.05 +31 23 53.6 – V T08
2020-05-24 20:50:23 V 18 47 18.03 +31 07 36.8 15.3 V 247
2020-05-24 20:50:23 v 1 005.56299 +43.45977 – – 247
2020-05-24 20:56:21 V 18 47 15.56 +31 07 23.1 15.5 V 247
2020-05-24 20:56:21 v 1 005.56299 +43.45977 – – 247
2020-05-24 21:02:18 V 18 47 13.03 +31 07 08.5 15.1 V 247
2020-05-24 21:02:18 v 1 005.56299 +43.45977 – – 247
2020-05-24 21:08:16 V 18 47 10.60 +31 06 55.0 15.6 V 247
2020-05-24 21:08:16 v 1 005.56299 +43.45977 – – 247
2020-05-25 00:02:58 C 18 45 57.63 +31 00 02.5 – V Z10
2020-05-25 00:23:59 C 18 45 48.81 +30 59 12.6 – V Z10
2020-05-25 00:44:07 C 18 45 40.40 +30 58 25.0 – V Z10
2020-05-25 01:03:20 C 18 45 31.93 +30 57 38.2 – V 160
2020-05-25 01:06:18 C 18 45 30.68 +30 57 31.1 – V 160
2020-05-25 01:09:17 C 18 45 29.44 +30 57 23.9 – V 160
2020-05-25 01:21:22 C 18 45 24.40 +30 56 54.0 – V K38
2020-05-25 01:47:05 C 18 45 13.65 +30 55 52.3 – V K38
2020-05-25 01:51:38 C 18 45 11.75 +30 55 41.4 – V K38
2020-05-25 01:55:57 C 18 45 09.94 +30 55 31.1 – V K38
2020-05-25 02:00:16 C 18 45 08.12 +30 55 20.6 – V K38
2020-05-25 20:20:37 C 18 37 45.16 +30 10 45.4 – V L39
2020-05-25 20:32:32 C 18 37 40.44 +30 10 17.2 – V L39
2020-05-25 23:33:14 C 18 36 28.65 +30 03 00.6 – V 160
2020-05-25 23:36:24 C 18 36 27.39 +30 02 52.9 – V 160
2020-05-25 23:39:23 C 18 36 26.21 +30 02 45.7 – V 160
2020-05-26 00:05:41 C 18 36 16.17 +30 01 42.6 – V Z10
2020-05-26 00:30:15 C 18 36 06.42 +30 00 42.9 – V Z10
2020-05-26 00:44:47 C 18 36 00.66 +30 00 07.7 – V Z10
2020-05-26 13:00:40 C 18 31 15.81 +29 30 06.7 – V T05
2020-05-26 13:04:45 C 18 31 14.21 +29 29 56.7 – V T05
2020-05-26 13:13:17 C 18 31 10.91 +29 29 35.5 – V T05
2020-05-29 23:18:06 C 18 02 54.07 +26 05 30.9 – V 196
2020-05-29 23:39:46 C 18 02 47.25 +26 04 37.5 – V 196
2020-05-30 00:04:51 C 18 02 39.35 +26 03 35.8 – V 196
2020-05-30 00:21:04 C 18 02 34.26 +26 02 55.8 – V 196
2020-05-30 12:41:42 C 17 58 47.705 +25 32 40.86 – U F52
2020-05-30 12:47:39 C 17 58 45.89 +25 32 26.2 – V T05
2020-05-30 12:51:58 C 17 58 44.56 +25 32 15.5 – V T05
2020-05-30 12:56:50 C 17 58 43.062 +25 32 03.51 – U F52