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
2024-07-09 09:11:05 C 16 46 37.942 -01 38 42.54 V T05
2024-07-11 08:15:30 C 16 44 48.377 -02 05 19.64 V T08
2024-07-11 08:28:30 C 16 44 47.789 -02 05 26.45 V T08
2024-07-11 08:42:58 C 16 44 47.234 -02 05 34.98 V T08
2024-07-12 03:39:24 C 16 44 06.689 -02 15 59.83 V W68
2024-07-12 03:45:18 C 16 44 06.514 -02 16 03.50 V W68
2024-07-12 04:31:40 C 16 44 04.841 -02 16 28.78 V W68
2024-07-12 04:41:38 C 16 44 04.450 -02 16 33.92 V W68
2024-07-15 06:43:13 C 16 41 46.006 -02 56 46.54 V T08
2024-07-15 06:48:00 C 16 41 45.816 -02 56 48.48 V T08
2024-07-15 06:52:00 C 16 41 45.706 -02 56 50.35 V T08
2024-07-15 07:34:26 C 16 41 44.515 -02 57 13.50 V T08
2024-07-16 01:58:20 C 16 41 14.486 -03 06 50.76 V W68
2024-07-16 02:05:12 C 16 41 14.345 -03 06 54.07 V W68
2024-07-16 02:12:59 C 16 41 14.129 -03 06 58.21 V W68
2024-07-16 02:29:05 C 16 41 13.610 -03 07 07.18 V W68
2024-07-28 02:34:37 C 16 36 45.614 -05 27 16.20 V W68
2024-07-28 02:39:14 C 16 36 45.667 -05 27 18.54 V W68
2024-07-28 03:06:05 C 16 36 45.470 -05 27 30.71 V W68
2024-07-28 03:29:12 C 16 36 45.322 -05 27 42.08 V W68
2024-07-29 07:37:17 C 16 36 37.012 -05 40 20.01 X F51
2024-07-29 07:52:11 C 16 36 36.928 -05 40 26.62 X F51
2024-07-29 07:57:01 C 16 36 36.936 -05 40 28.38 V T05
2024-07-29 08:01:34 C 16 36 36.852 -05 40 30.18 V T05
2024-07-29 08:07:05 C 16 36 36.849 -05 40 33.16 X F51
2024-07-29 08:09:31 C 16 36 36.833 -05 40 34.57 V T05
2024-07-29 08:22:00 C 16 36 36.765 -05 40 39.79 X F51
2024-07-29 08:23:39 C 16 36 36.710 -05 40 40.19 V T05
2024-08-03 07:12:22 C 16 36 31.268 -06 31 41.91 X F52
2024-08-03 07:32:15 C 16 36 31.288 -06 31 50.13 X F52
2024-08-03 07:52:13 C 16 36 31.310 -06 31 58.41 X F52