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
2016-06-11 05:10:52 C 14 21 35.02 +39 19 37.2 q H45
2016-06-11 05:11:49 C 14 21 35.20 +39 19 31.5 q H45
2016-06-11 05:12:41 C 14 21 35.37 +39 19 26.2 q H45
2016-06-11 22:35:33 C 14 24 52.67 +37 37 10.3 q 006
2016-06-11 22:38:55 C 14 24 53.31 +37 36 51.0 q 006
2016-06-11 22:42:09 C 14 24 53.89 +37 36 32.6 q 006
2016-06-11 22:45:48 C 14 24 54.50 +37 36 11.4 q 006
2016-06-11 22:49:28 C 14 24 55.14 +37 35 50.3 q 006
2016-06-12 02:17:37 C 14 25 33.33 +37 16 02.5 u H21
2016-06-12 02:20:08 C 14 25 33.76 +37 15 48.3 u H21
2016-06-12 02:22:39 C 14 25 34.19 +37 15 33.9 u H21
2016-06-12 02:25:11 C 14 25 34.62 +37 15 19.5 u H21
2016-06-12 02:27:42 C 14 25 35.04 +37 15 05.3 u H21
2016-06-12 02:30:13 C 14 25 35.48 +37 14 51.0 u H21
2016-06-12 02:32:44 C 14 25 35.91 +37 14 36.6 u H21
2016-06-12 02:35:15 C 14 25 36.34 +37 14 22.5 u H21
2016-06-12 02:37:46 C 14 25 36.77 +37 14 08.1 u H21
2016-06-12 02:40:16 C 14 25 37.19 +37 13 53.8 u H21
2016-06-12 02:42:47 C 14 25 37.61 +37 13 39.6 u H21
2016-06-12 02:44:48 C 14 25 37.97 +37 13 28.3 u H21
2016-06-12 02:47:18 C 14 25 38.38 +37 13 14.1 u H21
2016-06-13 02:17:59 C 14 29 34.09 +35 03 42.2 u H21
2016-06-13 02:20:30 C 14 29 34.49 +35 03 28.9 u H21
2016-06-13 02:23:01 C 14 29 34.87 +35 03 15.5 u H21
2016-06-13 02:25:32 C 14 29 35.25 +35 03 02.0 u H21
2016-06-13 02:28:02 C 14 29 35.62 +35 02 48.7 u H21
2016-06-13 02:30:33 C 14 29 36.01 +35 02 35.5 u H21
2016-06-13 02:33:04 C 14 29 36.38 +35 02 22.0 u H21
2016-06-13 02:35:35 C 14 29 36.76 +35 02 08.5 u H21
2016-06-13 02:38:05 C 14 29 37.14 +35 01 55.2 u H21
2016-06-13 02:41:06 C 14 29 37.62 +35 01 39.1 u H21
2016-06-14 21:58:52 C 14 35 50.34 +31 24 06.5 r Y00
2016-06-14 22:00:24 C 14 35 50.42 +31 23 59.5 r Y00
2016-06-14 22:01:50 C 14 35 50.55 +31 23 52.0 r Y00
2016-06-15 05:47:45 C 14 36 49.24 +30 47 09.8 q 703
2016-06-15 06:00:54 C 14 36 50.82 +30 46 08.8 q 703
2016-06-15 06:07:29 C 14 36 51.62 +30 45 38.3 q 703
2016-06-16 02:19:10 C 14 39 19.57 +29 14 24.9 u H21
2016-06-16 02:21:07 C 14 39 19.78 +29 14 16.1 u H21
2016-06-16 02:23:05 C 14 39 20.00 +29 14 07.5 u H21
2016-06-16 02:25:03 C 14 39 20.22 +29 13 58.9 u H21
2016-06-16 02:27:00 C 14 39 20.43 +29 13 50.5 u H21
2016-06-16 02:28:58 C 14 39 20.66 +29 13 41.9 u H21
2016-06-16 02:30:56 C 14 39 20.87 +29 13 33.2 u H21
2016-06-16 02:32:53 C 14 39 21.09 +29 13 24.5 u H21
2016-06-16 02:34:51 C 14 39 21.32 +29 13 15.8 u H21
2016-06-16 02:36:48 C 14 39 21.53 +29 13 07.3 u H21
2016-06-16 02:38:46 C 14 39 21.74 +29 12 58.7 u H21
2016-06-16 02:40:44 C 14 39 21.97 +29 12 50.1 u H21
2016-06-16 02:42:41 C 14 39 22.19 +29 12 41.6 u H21