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
2024-04-21 03:39:41 C 21 29 43.006 +11 35 33.72 V M22
2024-04-21 14:28:03 C 21 27 36.283 +11 37 14.99 V T05
2024-04-21 14:35:24 C 21 27 34.822 +11 37 16.43 V T05
2024-04-21 15:02:07 C 21 27 29.522 +11 37 21.43 V T05
2024-04-23 09:01:14 C 21 19 20.414 +11 44 37.61 V W68
2024-04-23 09:05:48 C 21 19 19.512 +11 44 38.36 V W68
2024-04-23 09:13:45 C 21 19 17.933 +11 44 39.37 V W68
2024-04-25 02:07:24 C 21 11 26.525 +11 50 48.12 V M22
2024-04-25 02:12:00 C 21 11 25.644 +11 50 48.80 V M22
2024-04-25 02:19:54 C 21 11 24.096 +11 50 50.21 V M22
2024-04-25 02:37:07 C 21 11 20.779 +11 50 52.58 V M22
2024-04-26 14:18:01 C 21 04 31.774 +11 55 21.54 V T05
2024-04-26 14:49:46 C 21 04 25.598 +11 55 25.86 V T05
2024-04-26 14:55:53 C 21 04 24.389 +11 55 26.80 V T05
2024-04-26 15:07:46 C 21 04 22.068 +11 55 28.06 V T05
2024-04-27 08:38:54 C 21 01 01.865 +11 57 46.01 V W68
2024-04-27 08:43:28 C 21 01 00.946 +11 57 46.73 V W68
2024-04-27 08:51:48 C 21 00 59.333 +11 57 47.77 V W68
2024-04-27 09:02:56 C 21 00 57.166 +11 57 48.85 V W68
2024-04-28 13:40:24 C 20 55 30.242 +12 00 36.86 V T05
2024-04-28 13:59:19 C 20 55 26.558 +12 00 39.24 V T05
2024-04-28 14:17:45 C 20 55 22.997 +12 00 41.04 V T05
2024-05-01 14:18:29 C 20 41 38.381 +12 06 08.64 V T08
2024-05-01 14:40:28 C 20 41 34.092 +12 06 10.22 V T08
2024-05-01 14:52:07 C 20 41 31.814 +12 06 10.73 V T08
2024-05-03 02:36:58 C 20 34 40.435 +12 07 48.68 V M22
2024-05-03 02:47:29 C 20 34 38.381 +12 07 49.08 V M22
2024-05-03 03:25:45 C 20 34 30.869 +12 07 50.20 V M22
2024-05-03 11:01:20 C 20 33 03.460 +12 07 43.36 V G96
2024-05-03 11:10:40 C 20 33 01.638 +12 07 43.57 V G96
2024-05-03 11:19:58 C 20 32 59.816 +12 07 43.79 V G96
2024-05-03 11:29:19 C 20 32 57.970 +12 07 44.18 V G96
2024-05-04 11:21:26 S 20 28 20.75 +12 08 02.1 L C51
2024-05-04 12:53:51 S 20 28 02.89 +12 08 02.2 L C51
2024-05-04 14:26:16 S 20 27 45.02 +12 08 02.1 L C51
2024-05-04 15:58:41 S 20 27 27.16 +12 08 02.1 L C51
2024-05-04 19:03:19 S 20 26 51.45 +12 08 01.2 L C51
2024-05-05 08:08:09 C 20 24 20.626 +12 08 06.29 V W68
2024-05-05 08:14:17 C 20 24 19.430 +12 08 05.75 V W68
2024-05-05 08:18:51 C 20 24 18.485 +12 08 05.78 V W68
2024-05-05 08:36:09 C 20 24 15.084 +12 08 06.00 V W68
2024-05-06 13:16:46 C 20 18 40.939 +12 07 03.18 V T05
2024-05-06 13:21:20 C 20 18 40.025 +12 07 03.00 V T05
2024-05-06 13:26:33 C 20 18 39.000 +12 07 02.89 V T05
2024-05-06 13:47:31 C 20 18 34.826 +12 07 02.10 V T05
2024-05-07 02:20:49 C 20 16 07.788 +12 06 40.36 V M22
2024-05-07 02:23:26 C 20 16 07.267 +12 06 40.18 V M22
2024-05-07 02:30:40 C 20 16 05.818 +12 06 40.03 V M22
2024-05-07 02:38:22 C 20 16 04.291 +12 06 39.67 V M22
2024-05-08 13:58:13 C 20 09 09.310 +12 03 58.79 V T05