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
2020-05-15 14:21:18 C 20 41 02.17 +37 41 43.7 – V T05
2020-05-15 14:29:56 C 20 40 57.07 +37 41 36.8 – V T05
2020-05-15 14:39:16 C 20 40 51.55 +37 41 29.3 – V T05
2020-05-15 14:47:54 C 20 40 46.43 +37 41 22.2 – V T05
2020-05-16 12:22:41 S 20 28 15.346 +37 20 38.98 – L C51
2020-05-17 23:32:22 C 20 08 24.41 +36 37 15.6 – V L18
2020-05-17 23:32:58 C 20 08 24.04 +36 37 15.6 – V L18
2020-05-17 23:33:33 C 20 08 23.70 +36 37 14.2 – V L18
2020-05-17 23:34:09 C 20 08 23.35 +36 37 13.7 – V L18
2020-05-17 23:35:20 C 20 08 22.70 +36 37 12.5 – V L18
2020-05-17 23:35:55 C 20 08 22.38 +36 37 10.3 – V L18
2020-05-17 23:36:31 C 20 08 22.01 +36 37 10.1 – V L18
2020-05-17 23:37:06 C 20 08 21.70 +36 37 09.9 – V L18
2020-05-19 13:50:43 C 19 47 35.23 +35 37 13.4 – V T05
2020-05-19 14:25:16 C 19 47 16.64 +35 36 13.5 – V T05
2020-05-19 14:37:48 C 19 47 09.89 +35 35 51.6 – V T05
2020-05-21 21:03:47 C 19 19 37.02 +33 50 17.7 – V L18
2020-05-21 21:04:25 C 19 19 36.67 +33 50 16.9 – V L18
2020-05-21 21:05:03 C 19 19 36.40 +33 50 15.1 – V L18
2020-05-21 21:05:40 C 19 19 36.14 +33 50 14.7 – V L18
2020-05-21 21:06:18 C 19 19 35.80 +33 50 12.8 – V L18
2020-05-21 21:06:55 C 19 19 35.54 +33 50 11.4 – V L18
2020-05-21 21:07:33 C 19 19 35.21 +33 50 10.6 – V L18
2020-05-21 21:08:10 C 19 19 34.94 +33 50 08.9 – V L18
2020-05-21 21:08:48 C 19 19 34.58 +33 50 07.7 – V L18
2020-05-21 21:09:25 C 19 19 34.29 +33 50 06.5 – V L18
2020-05-21 21:47:14 C 19 19 16.01 +33 48 44.3 – V G33
2020-05-21 21:48:16 C 19 19 15.51 +33 48 42.6 – V G33
2020-05-21 21:49:13 C 19 19 15.07 +33 48 40.4 – V G33
2020-05-21 21:51:03 C 19 19 14.20 +33 48 36.4 – V G33
2020-05-21 22:07:30 C 19 19 06.29 +33 48 02.3 – V G33
2020-05-21 22:08:51 C 19 19 05.56 +33 47 59.0 – V G33
2020-05-21 22:09:40 C 19 19 05.15 +33 47 58.1 – V G33
2020-05-21 22:10:39 C 19 19 04.74 +33 47 55.3 – V G33
2020-05-22 14:10:48 C 19 11 27.15 +33 13 48.1 – V T05
2020-05-22 14:20:26 C 19 11 22.56 +33 13 26.9 – V T05
2020-05-22 14:25:14 C 19 11 20.28 +33 13 16.3 – V T05
2020-05-22 14:38:01 C 19 11 14.20 +33 12 48.1 – V T05
2020-05-22 20:04:05 C 19 08 44.70 +33 00 42.2 – t M43
2020-05-22 20:10:58 C 19 08 41.47 +33 00 26.9 – t M43
2020-05-22 20:21:04 C 19 08 36.73 +33 00 05.1 – t M43
2020-05-22 20:28:31 C 19 08 33.26 +32 59 48.9 – t M43
2020-05-22 20:33:44 C 19 08 30.79 +32 59 37.5 – t M43
2020-05-22 20:38:55 C 19 08 28.37 +32 59 26.1 – t M43
2020-05-22 20:48:18 C 19 08 23.98 +32 59 06.5 – t M43
2020-05-22 22:28:00 C 19 07 38.06 +32 55 14.4 – q K73
2020-05-22 22:29:45 C 19 07 37.25 +32 55 10.7 – q K73
2020-05-22 22:31:17 C 19 07 36.54 +32 55 07.6 – q K73
2020-05-22 22:32:50 C 19 07 35.82 +32 55 04.1 – q K73
2020-05-22 22:34:32 C 19 07 35.00 +32 55 01.1 – q K73