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
2020-06-24 10:42:44 C 16 27 11.64 +07 20 31.6 V T08
2020-06-24 21:38:43 C 16 26 31.24 +07 07 04.5 V K63
2020-06-24 21:54:23 C 16 26 30.26 +07 06 45.4 V K63
2020-06-24 22:04:02 C 16 26 29.63 +07 06 33.6 V K63
2020-06-25 06:05:43 C 16 26 00.36 +06 56 52.6 q H45
2020-06-25 06:07:03 C 16 26 00.27 +06 56 51.0 q H45
2020-06-25 06:08:07 C 16 26 00.21 +06 56 49.7 q H45
2020-06-25 06:09:20 C 16 26 00.13 +06 56 48.3 q H45
2020-06-25 06:10:34 C 16 26 00.06 +06 56 46.8 q H45
2020-06-25 22:29:25 C 16 25 03.11 +06 37 18.8 q 160
2020-06-25 22:32:22 C 16 25 02.94 +06 37 15.2 q 160
2020-06-25 22:35:20 C 16 25 02.76 +06 37 11.7 q 160
2020-06-26 09:41:42 C 16 24 25.38 +06 24 14.3 V T05
2020-06-26 09:46:21 C 16 24 25.11 +06 24 08.9 V T05
2020-06-26 09:54:24 C 16 24 24.64 +06 23 59.5 V T05
2020-06-26 10:13:05 C 16 24 23.57 +06 23 37.8 V T05
2020-06-26 22:29:19 C 16 23 43.91 +06 09 22.9 q 160
2020-06-26 22:32:30 C 16 23 43.74 +06 09 19.2 q 160
2020-06-26 22:35:41 C 16 23 43.56 +06 09 15.6 q 160
2020-06-27 08:52:53 C 16 23 11.40 +05 57 35.6 V T05
2020-06-27 08:57:16 C 16 23 11.15 +05 57 30.7 V T05
2020-06-27 09:12:21 C 16 23 10.34 +05 57 13.5 V T05
2020-06-27 09:20:39 C 16 23 09.89 +05 57 04.1 V T05
2020-06-28 06:50:00 C 16 22 06.14 +05 33 01.3 V T08
2020-06-28 07:39:19 C 16 22 03.63 +05 32 06.9 V T08
2020-06-28 07:43:58 C 16 22 03.39 +05 32 01.8 V T08
2020-06-28 21:44:57 C 16 21 23.68 +05 16 36.8 V 160
2020-06-28 21:48:10 C 16 21 23.52 +05 16 33.1 V 160
2020-06-28 21:51:20 C 16 21 23.36 +05 16 29.9 V 160
2020-06-29 22:21:40 C 16 20 18.21 +04 50 14.4 q 160
2020-06-29 22:24:49 C 16 20 18.08 +04 50 11.3 q 160
2020-06-29 22:27:58 C 16 20 17.94 +04 50 07.9 q 160
2020-06-30 06:46:12 C 16 19 57.42 +04 41 27.6 V T05
2020-06-30 06:50:48 C 16 19 57.20 +04 41 22.6 V T05
2020-06-30 06:56:45 C 16 19 56.94 +04 41 16.3 V T05
2020-06-30 07:04:39 C 16 19 56.60 +04 41 08.3 V T05
2020-06-30 20:19:50 C 16 19 24.17 +04 27 18.9 v L79
2020-06-30 20:59:46 C 16 19 22.54 +04 26 37.6 v L79
2020-06-30 21:40:01 C 16 19 20.87 +04 25 55.1 v L79
2020-07-02 20:25:43 C 16 17 38.52 +03 39 00.6 V K63
2020-07-02 20:36:04 C 16 17 38.17 +03 38 50.3 V K63
2020-07-02 20:43:23 C 16 17 37.91 +03 38 43.4 V K63
2020-07-04 09:35:26 C 16 16 27.87 +03 03 25.6 V T05
2020-07-04 09:40:56 C 16 16 27.71 +03 03 20.4 V T05
2020-07-04 09:50:51 C 16 16 27.37 +03 03 11.1 V T05
2020-07-04 10:08:42 C 16 16 26.82 +03 02 54.3 V T05
2020-07-04 21:51:38 C 16 16 06.80 +02 51 55.1 q 160
2020-07-04 21:54:30 C 16 16 06.73 +02 51 52.1 q 160
2020-07-04 21:56:47 C 16 16 06.66 +02 51 49.8 q 160
2020-07-06 09:12:44 C 16 15 11.01 +02 19 44.8 V T08