IAA RAS IAA Minor Planet Database

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
2016-06-04 00:34:39 C 13 16 17.95 +60 18 06.9 – q 585
2016-06-04 00:34:50 C 13 16 17.98 +60 18 05.2 – q 585
2016-06-04 00:35:02 C 13 16 18.13 +60 18 03.4 – q 585
2016-06-04 00:35:13 C 13 16 18.30 +60 18 02.1 – q 585
2016-06-04 00:35:24 C 13 16 18.39 +60 18 00.4 – q 585
2016-06-04 00:35:35 C 13 16 18.53 +60 17 59.2 – q 585
2016-06-04 00:35:47 C 13 16 18.65 +60 17 57.6 – q 585
2016-06-04 00:35:58 C 13 16 18.77 +60 17 56.1 – q 585
2016-06-04 00:36:09 C 13 16 19.00 +60 17 53.8 – q 585
2016-06-04 00:36:20 C 13 16 19.11 +60 17 52.7 – q 585
2016-06-04 00:36:31 C 13 16 19.17 +60 17 51.0 – q 585
2016-06-04 00:36:42 C 13 16 19.32 +60 17 49.8 – q 585
2016-06-04 00:36:53 C 13 16 19.45 +60 17 47.8 – q 585
2016-06-04 00:37:04 C 13 16 19.49 +60 17 46.7 – q 585
2016-06-04 00:37:16 C 13 16 19.78 +60 17 45.2 – q 585
2016-06-04 00:37:27 C 13 16 19.88 +60 17 43.6 – q 585
2016-06-04 00:37:38 C 13 16 20.02 +60 17 42.1 – q 585
2016-06-04 00:37:49 C 13 16 20.15 +60 17 40.3 – q 585
2016-06-04 00:38:00 C 13 16 20.21 +60 17 38.5 – q 585
2016-06-04 00:38:12 C 13 16 20.41 +60 17 37.7 – q 585
2016-06-04 00:38:23 C 13 16 20.56 +60 17 36.8 – q 585
2016-06-04 00:38:34 C 13 16 20.76 +60 17 35.0 – q 585
2016-06-04 00:38:45 C 13 16 20.82 +60 17 33.1 – q 585
2016-06-04 00:38:57 C 13 16 20.94 +60 17 31.3 – q 585
2016-06-04 00:44:47 C 13 16 25.22 +60 16 43.0 – q 585
2016-06-04 22:45:49 C 13 30 37.62 +57 17 35.6 – q 006
2016-06-04 22:49:28 C 13 30 39.76 +57 17 05.4 – q 006
2016-06-04 22:52:48 C 13 30 41.65 +57 16 38.1 – q 006
2016-06-04 22:55:08 C 13 30 42.96 +57 16 19.4 – q 006
2016-06-04 22:58:09 C 13 30 44.67 +57 15 54.9 – q 006
2016-06-05 21:31:35 C 13 42 34.07 +54 15 06.8 – c Z95
2016-06-05 21:50:56 C 13 42 43.01 +54 12 33.1 – c Z95
2016-06-05 22:01:18 C 13 42 47.79 +54 11 10.8 – c Z95
2016-06-06 02:11:51 C 13 44 44.83 +53 38 15.6 – u H21
2016-06-06 02:14:22 C 13 44 45.97 +53 37 55.6 – u H21
2016-06-06 02:16:54 C 13 44 47.07 +53 37 35.8 – u H21
2016-06-06 02:19:25 C 13 44 48.20 +53 37 16.1 – u H21
2016-06-06 02:21:56 C 13 44 49.31 +53 36 56.4 – u H21
2016-06-06 02:24:27 C 13 44 50.43 +53 36 36.5 – u H21
2016-06-06 02:26:58 C 13 44 51.54 +53 36 16.8 – u H21
2016-06-06 02:29:29 C 13 44 52.65 +53 35 57.0 – u H21
2016-06-06 02:32:00 C 13 44 53.76 +53 35 37.3 – u H21
2016-06-06 02:34:30 C 13 44 54.87 +53 35 17.5 – u H21
2016-06-06 02:37:01 C 13 44 55.98 +53 34 57.9 – u H21
2016-06-06 03:32:12 C 13 45 20.55 +53 27 40.5 – P V78
2016-06-06 03:39:28 C 13 45 23.78 +53 26 43.9 – P V78
2016-06-06 03:45:08 C 13 45 26.30 +53 25 59.3 – P V78
2016-06-06 07:30:10 C 13 47 04.17 +52 56 38.0 – q 703
2016-06-06 07:38:53 C 13 47 07.89 +52 55 29.3 – q 703
2016-06-06 07:47:34 C 13 47 11.61 +52 54 21.0 – q 703