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
2024-06-01 00:01:56 C 18 21 07.522 +08 33 25.78 V M52
2024-06-01 10:50:06 C 18 19 16.786 +08 26 42.90 V T08
2024-06-01 11:24:20 C 18 19 10.841 +08 26 21.30 V T08
2024-06-01 13:51:43 C 18 18 45.257 +08 24 48.13 V T08
2024-06-01 22:42:10 C 18 17 16.260 +08 19 06.74 V M52
2024-06-01 23:16:09 C 18 17 10.409 +08 18 44.96 V M52
2024-06-02 05:14:16 C 18 16 10.118 +08 15 11.05 V W68
2024-06-02 05:17:32 C 18 16 09.564 +08 15 08.86 V W68
2024-06-02 05:55:39 C 18 16 03.043 +08 14 44.63 V W68
2024-06-02 06:00:14 C 18 16 02.258 +08 14 41.64 V W68
2024-06-03 12:51:07 C 18 10 55.632 +07 54 27.86 V T05
2024-06-03 12:55:09 C 18 10 54.967 +07 54 25.38 V T05
2024-06-03 14:10:24 C 18 10 42.444 +07 53 35.66 V T05
2024-06-05 10:45:59 C 18 03 35.292 +07 23 50.21 V T08
2024-06-05 10:58:18 C 18 03 33.324 +07 23 41.89 V T08
2024-06-05 11:02:18 C 18 03 32.681 +07 23 39.16 V T08
2024-06-05 11:47:52 C 18 03 25.387 +07 23 08.38 V T08
2024-06-05 20:53:09 C 18 02 01.054 +07 16 53.83 V M52
2024-06-05 21:37:53 C 18 01 54.060 +07 16 23.23 V M52
2024-06-07 21:05:36 C 17 54 43.409 +06 43 44.62 V M52
2024-06-07 22:00:53 C 17 54 35.134 +06 43 06.60 V M52
2024-06-08 11:45:28 C 17 52 34.054 +06 33 36.65 V T08
2024-06-08 12:32:26 C 17 52 27.074 +06 33 03.74 V T08
2024-06-08 13:12:44 C 17 52 21.118 +06 32 35.56 V T08
2024-06-08 13:30:15 C 17 52 18.528 +06 32 23.24 V T08
2024-06-09 00:01:19 C 17 50 48.134 +06 24 56.12 V Z80
2024-06-09 00:03:26 C 17 50 47.834 +06 24 54.50 V Z80
2024-06-09 11:34:50 C 17 49 09.278 +06 16 55.49 V T08
2024-06-09 11:39:01 C 17 49 08.671 +06 16 52.57 V T08
2024-06-09 12:26:58 C 17 49 01.738 +06 16 18.70 V T08
2024-06-09 12:35:48 C 17 49 00.468 +06 16 12.72 V T08
2024-06-11 11:33:35 C 17 42 33.554 +05 43 02.42 V T05
2024-06-11 11:38:08 C 17 42 32.935 +05 42 59.04 V T05
2024-06-11 11:48:42 C 17 42 31.481 +05 42 51.70 V T05
2024-06-11 11:54:14 C 17 42 30.734 +05 42 47.76 X F52
2024-06-11 12:02:53 C 17 42 29.542 +05 42 41.58 V T05
2024-06-11 12:08:36 C 17 42 28.768 +05 42 37.51 X F52
2024-06-11 12:22:51 C 17 42 26.829 +05 42 27.38 X F52
2024-06-11 12:37:06 C 17 42 24.884 +05 42 17.29 X F52
2024-06-11 21:06:15 C 17 41 17.92 +05 36 11.3 X G02
2024-06-11 21:12:23 C 17 41 17.10 +05 36 07.0 X G02
2024-06-11 21:18:15 C 17 41 16.29 +05 36 02.8 X G02
2024-06-12 17:09:56 C 17 38 40.53 +05 21 56.7 V D29
2024-06-12 17:30:18 C 17 38 37.97 +05 21 44.5 V D29
2024-06-12 17:50:40 C 17 38 35.44 +05 21 28.6 V D29
2024-06-13 10:26:56 C 17 36 28.807 +05 09 44.10 V T08
2024-06-13 10:32:31 C 17 36 28.090 +05 09 40.07 V T08
2024-06-13 11:20:48 C 17 36 21.869 +05 09 05.76 V T08
2024-06-13 11:31:08 C 17 36 20.537 +05 08 58.45 V T08
2024-06-13 20:48:48 C 17 35 11.395 +05 02 17.77 V M52