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
2020-06-10 21:23:24 C 16 59 55.13 +15 36 00.6 – V 089
2020-06-10 21:26:53 C 16 59 54.59 +15 35 53.9 – V 089
2020-06-10 21:30:22 C 16 59 54.08 +15 35 47.6 – V 089
2020-06-10 21:33:51 C 16 59 53.56 +15 35 41.1 – V 089
2020-06-10 21:37:20 C 16 59 53.02 +15 35 34.4 – V 089
2020-06-10 21:40:49 C 16 59 52.49 +15 35 27.9 – V 089
2020-06-10 21:44:18 C 16 59 51.95 +15 35 21.3 – V 089
2020-06-10 21:47:47 C 16 59 51.43 +15 35 15.1 – V 089
2020-06-11 03:56:39 C 16 58 57.42 +15 23 50.9 – V V93
2020-06-11 04:45:42 C 16 58 50.08 +15 22 20.3 – V V93
2020-06-11 05:39:31 C 16 58 42.01 +15 20 41.0 – V V93
2020-06-11 08:10:07 C 16 58 19.84 +15 16 05.6 – V 703
2020-06-11 08:18:15 C 16 58 18.63 +15 15 50.6 – V 703
2020-06-11 08:26:22 C 16 58 17.42 +15 15 35.6 – V 703
2020-06-11 08:34:29 C 16 58 16.22 +15 15 20.5 – V 703
2020-06-12 04:37:24 C 16 55 27.13 +14 38 54.9 – V V93
2020-06-12 05:25:36 C 16 55 20.33 +14 37 28.7 – V V93
2020-06-12 06:18:15 C 16 55 12.93 +14 35 54.3 – V V93
2020-06-12 22:49:03 C 16 53 00.33 +14 06 41.3 – V 160
2020-06-12 22:52:10 C 16 52 59.91 +14 06 35.7 – V 160
2020-06-12 22:55:03 C 16 52 59.51 +14 06 30.6 – V 160
2020-06-13 05:48:06 C 16 52 05.82 +13 54 33.3 – q H45
2020-06-13 05:49:04 C 16 52 05.69 +13 54 31.6 – q H45
2020-06-13 05:49:59 C 16 52 05.57 +13 54 30.0 – q H45
2020-06-13 05:51:15 C 16 52 05.39 +13 54 27.8 – q H45
2020-06-13 05:52:08 C 16 52 05.28 +13 54 26.2 – q H45
2020-06-13 05:53:10 C 16 52 05.13 +13 54 24.4 – q H45
2020-06-14 05:50:42 C 16 49 05.91 +13 13 30.4 – q U76
2020-06-14 06:10:39 C 16 49 03.42 +13 12 57.1 – q U76
2020-06-14 06:31:07 C 16 49 00.86 +13 12 22.8 – q U76
2020-06-14 21:35:26 C 16 47 13.58 +12 47 17.4 – q K73
2020-06-14 21:37:59 C 16 47 13.28 +12 47 13.1 – q K73
2020-06-14 21:40:31 C 16 47 12.99 +12 47 08.9 – q K73
2020-06-14 21:43:09 C 16 47 12.67 +12 47 04.7 – q K73
2020-06-15 01:33:44 C 16 46 46.36 +12 40 45.7 – q I15
2020-06-15 01:35:50 C 16 46 46.11 +12 40 42.3 – q I15
2020-06-15 01:37:56 C 16 46 45.87 +12 40 38.8 – q I15
2020-06-15 05:42:11 C 16 46 17.75 +12 34 01.7 – V U71
2020-06-15 05:56:24 C 16 46 16.08 +12 33 38.7 – V U71
2020-06-16 10:10:11 C 16 43 09.746 +11 48 33.59 – U F52
2020-06-16 10:27:20 C 16 43 07.862 +11 48 06.65 – U F52
2020-06-16 11:01:45 C 16 43 04.100 +11 47 12.56 – U F52
2020-06-16 12:18:52 C 16 42 56.55 +11 45 25.4 16.4 q Q68
2020-06-16 12:20:58 C 16 42 56.34 +11 45 22.2 16.5 q Q68
2020-06-16 12:23:04 C 16 42 56.10 +11 45 18.7 16.5 q Q68
2020-06-16 12:25:11 C 16 42 55.86 +11 45 15.6 16.4 q Q68
2020-06-16 14:20:25 C 16 42 43.34 +11 42 14.7 16.3 q Q68
2020-06-16 14:22:31 C 16 42 43.15 +11 42 12.0 14.8 q Q68
2020-06-16 14:24:38 C 16 42 42.93 +11 42 08.6 16.3 q Q68
2020-06-16 14:26:44 C 16 42 42.70 +11 42 05.4 16.7 q Q68