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
2016-06-20 02:39:23 C 14 48 56.76 +23 00 23.0 u H21
2016-06-20 02:41:21 C 14 48 56.93 +23 00 16.2 u H21
2016-06-20 02:43:19 C 14 48 57.09 +23 00 09.5 u H21
2016-06-20 02:45:16 C 14 48 57.24 +23 00 02.9 u H21
2016-06-20 02:47:13 C 14 48 57.40 +22 59 56.2 u H21
2016-06-20 02:49:09 C 14 48 57.55 +22 59 49.6 u H21
2016-06-20 03:01:00 C 14 48 58.50 +22 59 07.7 q W19
2016-06-20 03:07:31 C 14 48 59.00 +22 58 45.8 q W19
2016-06-20 03:13:52 C 14 48 59.52 +22 58 23.7 q W19
2016-06-20 03:20:19 C 14 49 00.06 +22 58 01.8 q W19
2016-06-20 03:29:27 C 14 49 00.82 +22 57 30.4 q W19
2016-06-20 03:36:01 C 14 49 01.36 +22 57 08.2 q W19
2016-06-22 07:36:59 C 14 53 12.31 +20 10 35.3 L T05
2016-06-22 07:41:56 C 14 53 12.69 +20 10 20.7 L T05
2016-06-22 08:05:28 C 14 53 14.28 +20 09 09.5 L T05
2016-06-22 08:32:05 C 14 53 16.20 +20 07 49.9 L T05
2016-06-23 02:21:31 C 14 54 35.57 +19 15 23.1 u H21
2016-06-23 02:23:29 C 14 54 35.70 +19 15 17.6 u H21
2016-06-23 02:25:26 C 14 54 35.84 +19 15 11.8 u H21
2016-06-23 02:27:24 C 14 54 35.97 +19 15 06.3 u H21
2016-06-23 02:29:22 C 14 54 36.11 +19 15 00.6 u H21
2016-06-23 02:31:19 C 14 54 36.23 +19 14 55.0 u H21
2016-06-23 02:33:17 C 14 54 36.38 +19 14 49.4 u H21
2016-06-23 02:35:14 C 14 54 36.51 +19 14 43.7 u H21
2016-06-23 02:37:00 C 14 54 36.62 +19 14 38.8 u H21
2016-06-23 02:38:57 C 14 54 36.76 +19 14 33.1 u H21
2016-06-23 21:19:08 C 14 55 55.99 +18 22 00.5 q 203
2016-06-23 21:49:42 C 14 55 58.02 +18 20 36.2 q 203
2016-06-23 23:08:55 C 14 56 03.33 +18 16 59.0 q 006
2016-06-23 23:12:50 C 14 56 03.59 +18 16 48.4 q 006
2016-06-23 23:16:49 C 14 56 03.87 +18 16 37.6 q 006
2016-06-23 23:20:30 C 14 56 04.12 +18 16 27.3 q 006
2016-06-23 23:24:09 C 14 56 04.40 +18 16 17.2 q 006
2016-06-24 02:29:17 C 14 56 17.72 +18 07 53.3 u H21
2016-06-24 02:31:09 C 14 56 17.83 +18 07 48.1 u H21
2016-06-24 02:33:06 C 14 56 17.97 +18 07 42.8 u H21
2016-06-24 02:35:04 C 14 56 18.10 +18 07 37.5 u H21
2016-06-24 02:37:01 C 14 56 18.22 +18 07 32.2 u H21
2016-06-24 02:39:27 C 14 56 18.38 +18 07 25.5 u H21
2016-06-24 21:52:02 C 14 57 35.97 +17 16 17.2 q 160
2016-06-24 21:54:19 C 14 57 36.11 +17 16 11.1 q 160
2016-06-24 21:56:36 C 14 57 36.26 +17 16 05.1 q 160
2016-06-26 08:05:18 C 14 59 48.40 +15 50 33.3 L T05
2016-06-26 08:34:51 C 14 59 50.13 +15 49 21.8 L T05
2016-06-26 08:38:32 C 14 59 50.37 +15 49 12.8 L T05
2016-06-26 08:56:40 C 14 59 51.42 +15 48 28.8 L T05
2016-06-28 02:32:50 C 15 02 22.97 +14 12 23.1 u H21
2016-06-28 02:35:06 C 15 02 23.09 +14 12 18.1 u H21
2016-06-28 02:37:37 C 15 02 23.24 +14 12 12.4 u H21
2016-06-28 02:40:08 C 15 02 23.37 +14 12 06.8 u H21