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
2024-05-08 14:03:01 C 20 09 08.345 +12 03 58.32 V T05
2024-05-08 14:41:03 C 20 09 00.715 +12 03 55.12 V T05
2024-05-09 07:32:49 C 20 05 42.062 +12 02 31.85 V W68
2024-05-09 07:37:22 C 20 05 41.153 +12 02 31.63 V W68
2024-05-09 07:52:17 C 20 05 38.167 +12 02 29.94 V W68
2024-05-09 23:48:53 C 20 02 29.863 +12 00 24.08 V M52
2024-05-10 00:20:46 C 20 02 23.592 +12 00 20.41 V M52
2024-05-10 00:53:22 C 20 02 17.148 +12 00 16.63 V M52
2024-05-11 00:19:46 C 19 57 39.226 +11 57 10.51 V M52
2024-05-11 01:07:01 C 19 57 29.750 +11 57 04.00 V M52
2024-05-11 23:14:20 C 19 53 06.962 +11 53 35.27 V M52
2024-05-12 00:09:17 C 19 52 55.834 +11 53 26.52 V M52
2024-05-14 12:36:07 C 19 40 54.677 +11 41 21.01 V T05
2024-05-14 12:41:20 C 19 40 53.628 +11 41 19.82 V T05
2024-05-14 12:49:09 C 19 40 52.037 +11 41 18.06 V T05
2024-05-15 03:47:38 C 19 37 52.526 +11 37 54.05 V M22
2024-05-15 04:01:00 C 19 37 49.762 +11 37 50.20 V M22
2024-05-15 04:09:31 C 19 37 48.041 +11 37 47.68 V M22
2024-05-15 04:21:35 C 19 37 45.590 +11 37 44.98 V M22
2024-05-18 10:52:06 C 19 22 10.063 +11 14 19.43 V U52
2024-05-18 10:56:16 C 19 22 09.214 +11 14 18.06 V U52
2024-05-18 11:00:27 C 19 22 08.369 +11 14 16.73 V U52
2024-05-19 00:17:47 C 19 19 30.878 +11 09 59.69 V M22
2024-05-19 00:21:07 C 19 19 30.206 +11 09 58.39 V M22
2024-05-19 00:25:07 C 19 19 29.407 +11 09 57.10 V M22
2024-05-19 00:34:28 C 19 19 27.533 +11 09 53.89 V M22
2024-05-22 10:23:28 C 19 03 25.658 +10 37 18.88 V T05
2024-05-22 10:26:04 C 19 03 25.150 +10 37 17.58 V T05
2024-05-22 10:57:28 C 19 03 18.960 +10 37 04.15 V T05
2024-05-22 11:02:12 C 19 03 18.029 +10 37 02.28 V T05
2024-05-25 09:22:15 C 18 49 48.763 +10 04 00.52 V W68
2024-05-25 09:30:08 C 18 49 47.266 +10 03 56.48 V W68
2024-05-25 10:01:37 C 18 49 41.213 +10 03 40.46 V W68
2024-05-26 11:46:26 C 18 44 52.085 +09 50 09.53 V T05
2024-05-26 11:48:23 C 18 44 51.715 +09 50 08.48 V T05
2024-05-26 11:51:00 C 18 44 51.211 +09 50 07.04 V T05
2024-05-26 12:27:39 C 18 44 44.239 +09 49 47.78 V T05
2024-05-27 00:28:24 C 18 42 30.262 +09 43 34.68 V M22
2024-05-27 00:35:00 C 18 42 29.018 +09 43 31.30 V M22
2024-05-27 01:24:46 C 18 42 19.632 +09 43 04.33 V M22
2024-05-27 01:34:48 C 18 42 17.736 +09 42 58.90 V M22
2024-05-29 08:22:55 C 18 32 17.772 +09 12 09.94 V W68
2024-05-29 08:28:11 C 18 32 16.829 +09 12 07.56 V W68
2024-05-29 08:48:00 C 18 32 13.212 +09 11 55.54 V W68
2024-05-29 08:57:10 C 18 32 11.546 +09 11 50.39 V W68
2024-05-30 11:20:29 C 18 27 30.612 +08 56 00.49 V T05
2024-05-30 11:23:44 C 18 27 30.024 +08 55 58.62 V T05
2024-05-30 11:28:18 C 18 27 29.206 +08 55 55.81 V T05
2024-05-31 22:55:51 C 18 21 19.058 +08 34 06.78 V M52
2024-05-31 23:28:34 C 18 21 13.356 +08 33 46.26 V M52