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 00:25:04 C 13 16 10.99 +60 19 25.5 – q 585
2016-06-04 00:25:15 C 13 16 11.10 +60 19 24.6 – q 585
2016-06-04 00:25:26 C 13 16 11.24 +60 19 22.8 – q 585
2016-06-04 00:25:37 C 13 16 11.32 +60 19 19.4 – q 585
2016-06-04 00:25:48 C 13 16 11.51 +60 19 19.6 – q 585
2016-06-04 00:25:59 C 13 16 11.66 +60 19 18.1 – q 585
2016-06-04 00:26:10 C 13 16 11.77 +60 19 16.3 – q 585
2016-06-04 00:26:21 C 13 16 11.90 +60 19 15.2 – q 585
2016-06-04 00:26:33 C 13 16 12.07 +60 19 13.0 – q 585
2016-06-04 00:26:44 C 13 16 12.11 +60 19 11.3 – q 585
2016-06-04 00:26:55 C 13 16 12.32 +60 19 10.4 – q 585
2016-06-04 00:27:06 C 13 16 12.39 +60 19 09.0 – q 585
2016-06-04 00:27:18 C 13 16 12.56 +60 19 07.4 – q 585
2016-06-04 00:27:29 C 13 16 12.69 +60 19 06.1 – q 585
2016-06-04 00:27:40 C 13 16 12.85 +60 19 04.6 – q 585
2016-06-04 00:27:51 C 13 16 13.01 +60 19 03.0 – q 585
2016-06-04 00:28:03 C 13 16 13.14 +60 19 01.2 – q 585
2016-06-04 00:28:14 C 13 16 13.22 +60 18 59.3 – q 585
2016-06-04 00:28:25 C 13 16 13.38 +60 18 57.7 – q 585
2016-06-04 00:28:36 C 13 16 13.51 +60 18 56.4 – q 585
2016-06-04 00:28:47 C 13 16 13.62 +60 18 55.2 – q 585
2016-06-04 00:28:59 C 13 16 13.79 +60 18 53.4 – q 585
2016-06-04 00:29:09 C 13 16 14.04 +60 18 50.4 – q 585
2016-06-04 00:29:20 C 13 16 14.09 +60 18 49.7 – q 585
2016-06-04 00:29:32 C 13 16 14.17 +60 18 49.0 – q 585
2016-06-04 00:29:43 C 13 16 14.33 +60 18 47.6 – q 585
2016-06-04 00:29:54 C 13 16 14.47 +60 18 45.4 – q 585
2016-06-04 00:30:05 C 13 16 14.61 +60 18 44.6 – q 585
2016-06-04 00:30:16 C 13 16 14.79 +60 18 42.2 – q 585
2016-06-04 00:30:28 C 13 16 14.81 +60 18 41.4 – q 585
2016-06-04 00:30:39 C 13 16 14.95 +60 18 39.5 – q 585
2016-06-04 00:30:50 C 13 16 15.16 +60 18 38.1 – q 585
2016-06-04 00:31:01 C 13 16 15.28 +60 18 36.4 – q 585
2016-06-04 00:31:13 C 13 16 15.39 +60 18 35.1 – q 585
2016-06-04 00:31:24 C 13 16 15.56 +60 18 33.7 – q 585
2016-06-04 00:31:35 C 13 16 15.67 +60 18 31.7 – q 585
2016-06-04 00:31:46 C 13 16 15.83 +60 18 30.6 – q 585
2016-06-04 00:31:58 C 13 16 15.90 +60 18 28.5 – q 585
2016-06-04 00:32:09 C 13 16 16.07 +60 18 27.2 – q 585
2016-06-04 00:32:20 C 13 16 16.22 +60 18 25.8 – q 585
2016-06-04 00:32:31 C 13 16 16.37 +60 18 24.0 – q 585
2016-06-04 00:32:42 C 13 16 16.48 +60 18 22.7 – q 585
2016-06-04 00:32:53 C 13 16 16.58 +60 18 21.6 – q 585
2016-06-04 00:33:04 C 13 16 16.73 +60 18 20.3 – q 585
2016-06-04 00:33:15 C 13 16 16.90 +60 18 18.4 – q 585
2016-06-04 00:33:27 C 13 16 16.99 +60 18 16.7 – q 585
2016-06-04 00:33:38 C 13 16 17.16 +60 18 14.4 – q 585
2016-06-04 00:34:04 C 13 16 17.42 +60 18 11.5 – q 585
2016-06-04 00:34:17 C 13 16 17.60 +60 18 09.3 – q 585
2016-06-04 00:34:28 C 13 16 17.74 +60 18 08.1 – q 585