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
2016-06-16 02:44:38 C 14 39 22.40 +29 12 32.9 u H21
2016-06-16 21:00:50 C 14 41 25.66 +27 54 11.8 q 585
2016-06-16 21:02:31 C 14 41 25.82 +27 54 04.9 q 585
2016-06-16 21:02:54 C 14 41 25.88 +27 54 03.4 q 585
2016-06-16 21:03:13 C 14 41 25.90 +27 54 02.0 q 585
2016-06-16 21:03:40 C 14 41 25.96 +27 53 59.9 q 585
2016-06-16 21:04:05 C 14 41 26.00 +27 53 58.2 q 585
2016-06-16 21:04:26 C 14 41 26.05 +27 53 56.7 q 585
2016-06-16 21:04:45 C 14 41 26.07 +27 53 55.4 q 585
2016-06-16 21:05:06 C 14 41 26.11 +27 53 53.9 q 585
2016-06-16 21:07:36 C 14 41 26.37 +27 53 44.0 q 585
2016-06-16 21:09:06 C 14 41 26.53 +27 53 37.2 q 585
2016-06-16 21:11:05 C 14 41 26.74 +27 53 29.0 q 585
2016-06-16 21:12:13 C 14 41 26.86 +27 53 24.4 q 585
2016-06-16 21:13:45 C 14 41 27.00 +27 53 17.6 q 585
2016-06-16 21:14:48 C 14 41 27.14 +27 53 13.6 q 585
2016-06-16 22:22:54 C 14 41 34.34 +27 48 28.0 q 585
2016-06-16 22:24:27 C 14 41 34.52 +27 48 21.6 q 585
2016-06-16 22:41:51 C 14 41 36.35 +27 47 08.8 q 585
2016-06-16 22:42:50 C 14 41 36.47 +27 47 04.7 q 585
2016-06-16 22:44:20 C 14 41 36.63 +27 46 58.5 q 585
2016-06-16 22:44:51 C 14 41 36.68 +27 46 56.1 q 585
2016-06-16 22:45:22 C 14 41 36.74 +27 46 54.1 q 585
2016-06-17 02:20:35 C 14 42 00.92 +27 32 08.2 u H21
2016-06-17 02:22:33 C 14 42 01.12 +27 32 00.2 u H21
2016-06-17 02:24:30 C 14 42 01.33 +27 31 52.2 u H21
2016-06-17 02:26:28 C 14 42 01.54 +27 31 44.3 u H21
2016-06-17 02:28:25 C 14 42 01.74 +27 31 36.2 u H21
2016-06-17 02:30:23 C 14 42 01.91 +27 31 28.0 u H21
2016-06-17 02:32:21 C 14 42 02.13 +27 31 20.0 u H21
2016-06-17 02:34:18 C 14 42 02.33 +27 31 11.9 u H21
2016-06-17 02:36:16 C 14 42 02.53 +27 31 04.1 u H21
2016-06-17 02:38:14 C 14 42 02.72 +27 30 55.7 u H21
2016-06-17 02:40:11 C 14 42 02.94 +27 30 47.6 u H21
2016-06-17 02:42:09 C 14 42 03.13 +27 30 39.6 u H21
2016-06-17 02:44:06 C 14 42 03.32 +27 30 31.5 u H21
2016-06-17 02:47:13 C 14 42 03.65 +27 30 18.7 u H21
2016-06-17 22:19:02 C 14 44 04.65 +26 11 53.4 q 160
2016-06-17 22:21:33 C 14 44 04.88 +26 11 42.9 q 160
2016-06-17 22:24:04 C 14 44 05.11 +26 11 33.3 q 160
2016-06-18 02:09:09 C 14 44 28.33 +25 57 00.1 u H21
2016-06-18 02:11:25 C 14 44 28.53 +25 56 51.2 u H21
2016-06-18 02:13:56 C 14 44 28.77 +25 56 41.5 u H21
2016-06-18 02:16:26 C 14 44 29.00 +25 56 31.4 u H21
2016-06-18 02:18:57 C 14 44 29.25 +25 56 21.7 u H21
2016-06-18 02:21:28 C 14 44 29.48 +25 56 12.1 u H21
2016-06-18 02:23:59 C 14 44 29.72 +25 56 02.4 u H21
2016-06-18 02:26:29 C 14 44 29.96 +25 55 52.6 u H21
2016-06-18 02:29:00 C 14 44 30.19 +25 55 42.9 u H21
2016-06-18 02:31:31 C 14 44 30.43 +25 55 33.2 u H21