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
2016-06-09 02:09:27 C 14 09 51.90 +44 47 22.2 u H21
2016-06-09 02:11:58 C 14 09 52.55 +44 47 04.8 u H21
2016-06-09 02:14:29 C 14 09 53.20 +44 46 47.8 u H21
2016-06-09 02:17:00 C 14 09 53.88 +44 46 30.6 u H21
2016-06-09 02:19:31 C 14 09 54.50 +44 46 13.5 u H21
2016-06-09 02:22:03 C 14 09 55.18 +44 45 56.2 u H21
2016-06-09 02:24:34 C 14 09 55.82 +44 45 38.9 u H21
2016-06-09 02:27:05 C 14 09 56.48 +44 45 21.9 u H21
2016-06-09 02:29:36 C 14 09 57.13 +44 45 04.7 u H21
2016-06-09 02:32:07 C 14 09 57.78 +44 44 47.4 u H21
2016-06-09 02:35:38 C 14 09 58.70 +44 44 23.5 u H21
2016-06-09 05:12:03 C 14 10 38.95 +44 26 39.1 q H45
2016-06-09 05:13:38 C 14 10 39.36 +44 26 28.3 q H45
2016-06-09 05:14:30 C 14 10 39.59 +44 26 22.4 q H45
2016-06-09 05:15:26 C 14 10 39.83 +44 26 16.0 q H45
2016-06-09 05:16:32 C 14 10 40.11 +44 26 08.5 q H45
2016-06-09 05:17:27 C 14 10 40.34 +44 26 02.2 q H45
2016-06-10 02:28:23 C 14 15 53.98 +42 05 58.5 u H21
2016-06-10 02:30:54 C 14 15 54.54 +42 05 42.3 u H21
2016-06-10 02:33:26 C 14 15 55.10 +42 05 26.0 u H21
2016-06-10 02:35:57 C 14 15 55.66 +42 05 09.9 u H21
2016-06-10 02:38:28 C 14 15 56.21 +42 04 53.6 u H21
2016-06-10 02:40:59 C 14 15 56.78 +42 04 37.5 u H21
2016-06-10 02:43:30 C 14 15 57.34 +42 04 21.4 u H21
2016-06-10 02:46:31 C 14 15 58.00 +42 04 01.8 u H21
2016-06-10 05:30:39 C 14 16 34.34 +41 46 28.1 q H45
2016-06-10 05:31:50 C 14 16 34.61 +41 46 20.4 q H45
2016-06-10 05:32:52 C 14 16 34.84 +41 46 13.8 q H45
2016-06-10 05:34:16 C 14 16 35.15 +41 46 04.8 q H45
2016-06-10 05:36:03 C 14 16 35.54 +41 45 53.5 q H45
2016-06-10 05:37:01 C 14 16 35.75 +41 45 47.1 q H45
2016-06-10 08:02:37 C 14 17 09.18 +41 30 28.1 L T05
2016-06-10 08:18:43 C 14 17 12.64 +41 28 45.6 L T05
2016-06-10 08:34:53 C 14 17 16.08 +41 27 02.8 L T05
2016-06-10 09:00:04 C 14 17 21.45 +41 24 22.8 L T05
2016-06-11 02:11:52 C 14 21 00.45 +39 37 38.2 u H21
2016-06-11 02:14:23 C 14 21 00.93 +39 37 23.1 u H21
2016-06-11 02:16:54 C 14 21 01.42 +39 37 07.9 u H21
2016-06-11 02:19:25 C 14 21 01.91 +39 36 52.6 u H21
2016-06-11 02:21:56 C 14 21 02.39 +39 36 37.3 u H21
2016-06-11 02:24:26 C 14 21 02.87 +39 36 22.2 u H21
2016-06-11 02:26:57 C 14 21 03.36 +39 36 07.0 u H21
2016-06-11 02:29:28 C 14 21 03.85 +39 35 51.7 u H21
2016-06-11 02:31:59 C 14 21 04.34 +39 35 36.6 u H21
2016-06-11 02:36:15 C 14 21 05.16 +39 35 10.7 u H21
2016-06-11 05:05:34 C 14 21 34.01 +39 20 09.2 q H45
2016-06-11 05:06:50 C 14 21 34.25 +39 20 01.6 q H45
2016-06-11 05:08:08 C 14 21 34.50 +39 19 53.7 q H45
2016-06-11 05:09:03 C 14 21 34.67 +39 19 48.2 q H45
2016-06-11 05:09:54 C 14 21 34.83 +39 19 43.0 q H45