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
2016-05-29 02:08:55 C 09 23 58.19 +74 16 20.9 q H45
2016-05-29 02:10:42 C 09 24 03.01 +74 16 20.6 q H45
2016-05-29 22:26:59 C 10 16 03.30 +73 43 57.0 q 006
2016-05-29 22:29:03 C 10 16 08.53 +73 43 51.2 q 006
2016-05-29 22:32:23 C 10 16 16.86 +73 43 42.1 q 006
2016-05-29 22:35:44 C 10 16 24.84 +73 43 32.4 q 006
2016-05-29 22:38:46 C 10 16 32.38 +73 43 23.6 q 006
2016-05-30 02:11:35 C 10 25 14.80 +73 33 10.5 u H21
2016-05-30 02:13:40 C 10 25 19.67 +73 33 03.6 u H21
2016-05-30 02:15:44 C 10 25 24.65 +73 32 57.0 u H21
2016-05-30 02:17:48 C 10 25 29.67 +73 32 50.4 u H21
2016-05-30 02:19:52 C 10 25 34.56 +73 32 43.8 u H21
2016-05-30 02:21:55 C 10 25 39.46 +73 32 37.2 u H21
2016-05-30 02:23:57 C 10 25 44.41 +73 32 30.6 u H21
2016-05-30 02:26:49 C 10 25 51.29 +73 32 21.4 u H21
2016-06-01 05:15:53 C 12 05 31.46 +69 02 33.9 P V78
2016-06-01 05:22:55 C 12 05 41.91 +69 01 44.8 P V78
2016-06-01 05:27:16 C 12 05 48.30 +69 01 14.5 P V78
2016-06-02 04:01:21 C 12 35 33.51 +66 15 39.6 q 703
2016-06-02 04:02:02 C 12 35 33.48 +66 15 27.2 P V78
2016-06-02 04:08:47 C 12 35 41.94 +66 14 42.4 q 703
2016-06-02 04:16:14 C 12 35 50.47 +66 13 45.9 q 703
2016-06-02 04:19:47 C 12 35 53.81 +66 13 09.3 P V78
2016-06-02 04:23:40 C 12 35 58.77 +66 12 47.4 q 703
2016-06-03 02:27:19 C 12 58 30.91 +63 18 24.5 u H21
2016-06-03 02:29:50 C 12 58 33.14 +63 18 04.2 u H21
2016-06-03 02:32:21 C 12 58 35.39 +63 17 43.8 u H21
2016-06-03 02:34:53 C 12 58 37.62 +63 17 23.4 u H21
2016-06-03 02:37:24 C 12 58 39.85 +63 17 03.1 u H21
2016-06-03 02:39:55 C 12 58 42.08 +63 16 42.8 u H21
2016-06-03 02:42:26 C 12 58 44.31 +63 16 22.4 u H21
2016-06-03 03:33:45 C 12 59 29.99 +63 09 24.7 P V78
2016-06-03 03:50:22 C 12 59 44.74 +63 07 10.4 P V78
2016-06-03 04:09:39 C 13 00 01.53 +63 04 32.9 P V78
2016-06-03 22:49:43 C 13 15 02.09 +60 32 31.7 q 585
2016-06-03 22:49:56 C 13 15 02.36 +60 32 29.9 q 585
2016-06-03 22:50:35 C 13 15 02.67 +60 32 24.6 q 585
2016-06-03 22:50:46 C 13 15 02.80 +60 32 23.1 q 585
2016-06-03 22:50:57 C 13 15 03.03 +60 32 21.4 q 585
2016-06-03 22:51:09 C 13 15 03.14 +60 32 19.5 q 585
2016-06-03 22:51:20 C 13 15 03.12 +60 32 18.5 q 585
2016-06-03 22:51:31 C 13 15 03.46 +60 32 16.7 q 585
2016-06-03 22:51:42 C 13 15 03.53 +60 32 15.2 q 585
2016-06-03 22:51:53 C 13 15 03.67 +60 32 14.2 q 585
2016-06-03 22:52:04 C 13 15 03.86 +60 32 11.8 q 585
2016-06-03 22:52:15 C 13 15 03.94 +60 32 10.6 q 585
2016-06-03 22:52:26 C 13 15 04.10 +60 32 09.3 q 585
2016-06-03 22:52:38 C 13 15 04.24 +60 32 07.2 q 585
2016-06-03 22:52:49 C 13 15 04.32 +60 32 05.9 q 585
2016-06-03 22:53:00 C 13 15 04.50 +60 32 04.4 q 585