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
2020-07-06 09:17:23 C 16 15 10.87 +02 19 40.8 – V T08
2020-07-06 09:25:21 C 16 15 10.67 +02 19 33.6 – V T08
2020-07-06 09:41:17 C 16 15 10.24 +02 19 19.3 – V T08
2020-07-06 21:49:40 C 16 14 53.04 +02 08 28.5 – V 160
2020-07-06 21:52:36 C 16 14 52.98 +02 08 25.9 – V 160
2020-07-06 21:55:31 C 16 14 52.92 +02 08 23.2 – V 160
2020-07-07 11:11:35 C 16 14 34.71 +01 56 47.6 – V T05
2020-07-07 11:26:10 C 16 14 34.36 +01 56 34.9 – V T05
2020-07-07 11:36:09 C 16 14 34.12 +01 56 26.3 – V T05
2020-07-07 11:41:27 C 16 14 34.02 +01 56 21.7 – V T05
2020-07-08 08:18:24 C 16 14 08.58 +01 38 35.1 – V T05
2020-07-08 08:23:01 C 16 14 08.48 +01 38 30.9 – V T05
2020-07-08 08:46:52 C 16 14 07.94 +01 38 10.8 – V T05
2020-07-09 07:06:16 C 16 13 42.981 +01 19 20.41 – U F52
2020-07-09 07:42:51 C 16 13 42.245 +01 18 49.85 – U F52
2020-07-09 08:01:16 C 16 13 41.876 +01 18 34.53 – U F52
2020-07-09 21:08:37 C 16 13 28.42 +01 07 39.7 – V C95
2020-07-09 21:10:25 C 16 13 28.37 +01 07 37.2 – V C95
2020-07-09 21:12:16 C 16 13 28.36 +01 07 36.3 – V C95
2020-07-09 21:14:06 C 16 13 28.30 +01 07 34.9 – V C95
2020-07-09 21:15:54 C 16 13 28.23 +01 07 32.9 – V C95
2020-07-09 21:17:46 C 16 13 28.24 +01 07 31.5 – V C95
2020-07-10 09:12:29 C 16 13 16.61 +00 57 49.5 – V T08
2020-07-10 09:17:47 C 16 13 16.51 +00 57 45.3 – V T08
2020-07-10 09:27:52 C 16 13 16.33 +00 57 37.0 – V T08
2020-07-10 09:43:10 C 16 13 16.02 +00 57 24.7 – V T08
2020-07-11 13:00:02 C 16 12 52.62 +00 35 36.1 18.2 q Q68
2020-07-11 13:02:08 C 16 12 52.62 +00 35 36.3 17.9 q Q68
2020-07-11 13:04:15 C 16 12 52.61 +00 35 34.7 18.5 q Q68
2020-07-11 13:06:29 C 16 12 52.61 +00 35 30.3 18.0 q Q68
2020-07-12 03:46:15 C 16 12 41.58 +00 23 50.3 – q W33
2020-07-12 03:48:18 C 16 12 41.53 +00 23 48.6 – q W33
2020-07-12 03:50:23 C 16 12 41.51 +00 23 47.0 – q W33
2020-07-12 08:31:10 C 16 12 38.22 +00 20 09.6 – V T05
2020-07-12 09:25:23 C 16 12 37.44 +00 19 27.3 – V T05
2020-07-12 09:32:01 C 16 12 37.39 +00 19 22.9 – V T05
2020-07-12 09:56:43 C 16 12 37.01 +00 19 02.5 – V T05
2020-07-13 07:04:45 C 16 12 23.831 +00 02 46.65 – U F51
2020-07-13 07:24:45 C 16 12 23.591 +00 02 31.42 – U F51
2020-07-13 07:44:42 C 16 12 23.353 +00 02 16.19 – U F51
2020-07-13 13:07:26 C 16 12 20.03 -00 01 41.8 – q Q68
2020-07-13 13:11:45 C 16 12 20.02 -00 01 45.5 – q Q68
2020-07-13 13:46:31 C 16 12 19.65 -00 02 11.3 – q Q68
2020-07-13 13:48:51 C 16 12 19.65 -00 02 13.2 – q Q68
2020-07-13 13:50:58 C 16 12 19.56 -00 02 15.2 – q Q68
2020-07-13 13:53:07 C 16 12 19.54 -00 02 16.6 – q Q68
2020-07-14 08:31:59 C 16 12 10.03 -00 16 24.5 – V T08
2020-07-14 08:37:17 C 16 12 09.97 -00 16 28.5 – V T08
2020-07-14 08:45:55 C 16 12 09.87 -00 16 34.8 – V T08
2020-07-14 09:03:54 C 16 12 09.71 -00 16 48.3 – V T08