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
2020-07-15 04:45:12 C 16 12 01.16 -00 31 22.6 V W33
2020-07-15 04:55:37 C 16 12 01.09 -00 31 29.9 V W33
2020-07-15 05:05:45 C 16 12 00.96 -00 31 37.5 V W33
2020-07-15 05:16:57 C 16 12 01.05 -00 31 45.4 V 703
2020-07-15 05:19:00 C 16 12 00.91 -00 31 46.4 V W33
2020-07-15 05:32:11 C 16 12 00.77 -00 31 56.0 V W33
2020-07-15 05:32:19 C 16 12 00.95 -00 31 56.2 V 703
2020-07-15 05:39:59 C 16 12 00.86 -00 32 01.5 V 703
2020-07-15 05:46:27 C 16 12 00.60 -00 32 07.4 V W33
2020-07-15 12:30:54 C 16 11 58.35 -00 36 53.6 q Q68
2020-07-15 12:33:02 C 16 11 58.31 -00 36 55.0 q Q68
2020-07-15 12:35:09 C 16 11 58.26 -00 36 56.5 q Q68
2020-07-15 13:10:43 C 16 11 58.05 -00 37 22.2 q Q68
2020-07-15 13:12:50 C 16 11 58.02 -00 37 23.7 q Q68
2020-07-15 13:14:58 C 16 11 57.96 -00 37 25.7 q Q68
2020-07-15 13:17:05 C 16 11 57.98 -00 37 26.9 q Q68
2020-07-17 07:27:10 C 16 11 46.959 -01 07 38.48 U F52
2020-07-17 07:44:18 C 16 11 46.875 -01 07 50.50 U F52
2020-07-17 08:01:26 C 16 11 46.794 -01 08 02.40 U F52
2020-07-18 08:07:56 C 16 11 43.60 -01 24 44.5 V T08
2020-07-18 08:12:35 C 16 11 43.58 -01 24 47.4 V T08
2020-07-18 08:21:17 C 16 11 43.55 -01 24 53.5 V T08
2020-07-18 08:42:09 C 16 11 43.49 -01 25 07.6 V T08
2020-07-20 06:46:03 C 16 11 43.897 -01 56 06.36 U F51
2020-07-20 07:04:28 C 16 11 43.887 -01 56 18.54 U F51
2020-07-20 07:22:55 C 16 11 43.882 -01 56 30.71 U F51
2020-07-20 07:41:22 C 16 11 43.876 -01 56 42.82 U F51
2020-07-20 07:42:14 C 16 11 43.86 -01 56 43.2 V T05
2020-07-20 07:47:32 C 16 11 43.87 -01 56 47.7 V T05
2020-07-20 07:57:28 C 16 11 43.88 -01 56 53.6 V T05
2020-07-20 08:22:43 C 16 11 43.89 -01 57 09.8 V T05
2020-08-12 06:15:15 C 16 19 42.751 -06 53 39.46 U F52
2020-08-12 06:34:43 C 16 19 43.208 -06 53 48.08 U F52
2020-08-12 07:13:49 C 16 19 44.126 -06 54 05.25 U F52
2020-08-19 06:27:09 C 16 24 15.470 -08 04 16.41 U F51
2020-08-19 06:42:57 C 16 24 15.916 -08 04 22.79 U F51
2020-08-19 06:43:43 C 16 24 15.92 -08 04 22.9 V T08
2020-08-19 06:49:02 C 16 24 16.08 -08 04 24.6 V T08
2020-08-19 06:56:59 C 16 24 16.29 -08 04 28.7 V T08
2020-08-19 06:58:43 C 16 24 16.362 -08 04 28.97 U F51
2020-08-19 07:11:48 C 16 24 16.77 -08 04 34.5 V T08
2020-08-19 07:14:30 C 16 24 16.804 -08 04 35.26 U F51
2021-06-07 13:00:31 C 20 00 46.583 -10 55 44.30 U F51
2021-06-07 13:17:25 C 20 00 46.088 -10 55 44.97 U F51
2021-06-07 13:51:16 C 20 00 45.097 -10 55 46.30 U F51
2023-07-09 10:33:22 C 22 08 50.233 -09 58 30.18 V G96
2023-07-09 10:42:12 C 22 08 50.039 -09 58 31.84 V G96
2023-07-09 10:51:01 C 22 08 49.837 -09 58 32.52 V G96
2023-07-09 10:59:50 C 22 08 49.564 -09 58 34.18 V G96
2023-07-12 13:08:35 C 22 06 48.952 -10 12 37.92 X F51