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
2016-06-18 02:34:02 C 14 44 30.67 +25 55 23.5 u H21
2016-06-18 02:36:32 C 14 44 30.91 +25 55 13.8 u H21
2016-06-18 02:39:03 C 14 44 31.14 +25 55 04.0 u H21
2016-06-18 02:41:34 C 14 44 31.38 +25 54 54.4 u H21
2016-06-18 02:44:50 C 14 44 31.69 +25 54 41.7 u H21
2016-06-18 03:17:09 C 14 44 34.70 +25 52 35.7 q W19
2016-06-18 03:23:29 C 14 44 35.29 +25 52 11.3 q W19
2016-06-18 03:30:14 C 14 44 35.93 +25 51 44.8 q W19
2016-06-18 03:36:51 C 14 44 36.56 +25 51 19.2 q W19
2016-06-18 03:43:20 C 14 44 37.15 +25 50 54.7 q W19
2016-06-19 00:30:32 C 14 46 36.37 +24 33 09.3 r Y00
2016-06-19 00:32:55 C 14 46 36.74 +24 33 00.3 r Y00
2016-06-19 00:35:18 C 14 46 36.85 +24 32 51.1 r Y00
2016-06-19 02:21:00 C 14 46 47.03 +24 26 09.1 u H21
2016-06-19 02:22:58 C 14 46 47.20 +24 26 01.8 u H21
2016-06-19 02:24:55 C 14 46 47.38 +24 25 54.7 u H21
2016-06-19 02:26:53 C 14 46 47.55 +24 25 47.7 u H21
2016-06-19 02:28:51 C 14 46 47.71 +24 25 40.5 u H21
2016-06-19 02:30:48 C 14 46 47.89 +24 25 33.4 u H21
2016-06-19 02:32:46 C 14 46 48.05 +24 25 26.4 u H21
2016-06-19 02:34:43 C 14 46 48.24 +24 25 19.1 u H21
2016-06-19 02:36:41 C 14 46 48.41 +24 25 12.1 u H21
2016-06-19 02:38:39 C 14 46 48.57 +24 25 04.9 u H21
2016-06-19 02:40:36 C 14 46 48.74 +24 24 57.8 u H21
2016-06-19 02:42:34 C 14 46 48.91 +24 24 50.7 u H21
2016-06-19 02:44:32 C 14 46 49.09 +24 24 43.7 u H21
2016-06-19 02:46:29 C 14 46 49.27 +24 24 36.4 u H21
2016-06-19 02:48:27 C 14 46 49.43 +24 24 29.3 u H21
2016-06-19 02:50:25 C 14 46 49.61 +24 24 22.2 u H21
2016-06-19 02:52:18 C 14 46 49.77 +24 24 15.3 u H21
2016-06-19 04:18:38 C 14 46 57.39 +24 19 03.0 q H45
2016-06-19 04:19:54 C 14 46 57.49 +24 18 58.5 q H45
2016-06-19 04:21:13 C 14 46 57.60 +24 18 53.7 q H45
2016-06-19 04:22:41 C 14 46 57.73 +24 18 48.3 q H45
2016-06-19 04:23:57 C 14 46 57.84 +24 18 43.8 q H45
2016-06-19 04:25:20 C 14 46 57.96 +24 18 38.7 q H45
2016-06-19 06:43:51 C 14 47 10.30 +24 10 19.2 u 926
2016-06-19 06:50:16 C 14 47 10.85 +24 09 56.0 u 926
2016-06-19 06:58:08 C 14 47 11.56 +24 09 27.6 u 926
2016-06-20 02:17:49 C 14 48 54.99 +23 01 36.3 u H21
2016-06-20 02:19:47 C 14 48 55.16 +23 01 29.7 u H21
2016-06-20 02:21:45 C 14 48 55.31 +23 01 23.2 u H21
2016-06-20 02:23:42 C 14 48 55.48 +23 01 16.6 u H21
2016-06-20 02:25:40 C 14 48 55.64 +23 01 09.8 u H21
2016-06-20 02:27:38 C 14 48 55.79 +23 01 03.2 u H21
2016-06-20 02:29:35 C 14 48 55.96 +23 00 56.5 u H21
2016-06-20 02:31:33 C 14 48 56.13 +23 00 49.6 u H21
2016-06-20 02:33:31 C 14 48 56.28 +23 00 43.2 u H21
2016-06-20 02:35:28 C 14 48 56.44 +23 00 36.4 u H21
2016-06-20 02:37:26 C 14 48 56.60 +23 00 29.7 u H21