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
2020-06-08 01:44:15 s 1 -143478.07 2 +29985.628 3250.0 – C57
2020-06-08 02:14:15 S 17 11 17.986 +17 47 19.90 – V C57
2020-06-08 02:14:15 s 1 -141748.34 4 +26954.888 1360.0 – C57
2020-06-08 02:44:15 S 17 11 12.281 +17 46 22.01 – V C57
2020-06-08 02:44:15 s 1 -139957.93 8 +23912.655 4060.0 – C57
2020-06-08 03:55:48 C 17 10 32.51 +17 43 20.4 – V V93
2020-06-08 04:14:15 S 17 10 54.713 +17 43 24.38 – V C57
2020-06-08 04:14:15 s 1 -134200.19 5 +14725.473 5580.0 – C57
2020-06-08 04:44:15 S 17 10 49.042 +17 42 26.86 – V C57
2020-06-08 04:44:15 s 1 -132144.06 3 +11646.303 2110.0 – C57
2020-06-08 04:49:53 C 17 10 23.16 +17 41 32.4 – t U77
2020-06-08 04:54:55 C 17 10 22.27 +17 41 22.0 – t U77
2020-06-08 04:58:28 C 17 10 21.65 +17 41 15.2 – t U77
2020-06-08 05:06:38 C 17 10 19.77 +17 40 57.5 – V V93
2020-06-08 05:14:15 S 17 10 43.214 +17 41 27.78 – V C57
2020-06-08 05:14:15 s 1 -130015.16 7 + 8560.761 5540.0 – C57
2020-06-08 05:57:23 C 17 10 11.10 +17 39 16.2 – q U76
2020-06-08 06:05:51 C 17 10 09.57 +17 38 59.3 – q U76
2020-06-08 06:14:49 C 17 10 07.98 +17 38 41.1 – q U76
2020-06-08 06:33:32 C 17 10 04.17 +17 38 01.9 – V V93
2020-06-08 07:44:15 S 17 10 13.613 +17 36 29.30 – V C57
2020-06-08 07:44:15 s 1 -118177.07 6 - 6905.488 30.0 – C57
2020-06-08 08:44:15 S 17 10 02.153 +17 34 36.12 – V C57
2020-06-08 08:44:15 s 1 -112824.45 4 -13070.300 9460.0 – C57
2020-06-08 09:14:15 S 17 09 56.261 +17 33 37.22 – V C57
2020-06-08 09:14:15 s 1 -110001.62 1 -16137.064 4840.0 – C57
2020-06-08 09:44:15 S 17 09 50.285 +17 32 38.51 – V C57
2020-06-08 09:44:15 s 1 -107075.94 6 -19188.694 7140.0 – C57
2020-06-08 13:44:15 S 17 09 02.705 +17 24 45.94 – V C57
2020-06-08 13:44:15 s 1 -79464.965 0 -42454.406 3950.0 – C57
2020-06-08 15:14:15 S 17 08 45.235 +17 21 48.74 – V C57
2020-06-08 15:14:15 s 1 -66920.094 0 -50167.322 7260.0 – C57
2020-06-08 17:59:01 C 17 08 06.36 +17 15 11.0 – c N31
2020-06-08 18:55:21 C 17 07 56.54 +17 13 18.4 – c N31
2020-06-08 18:58:24 C 17 07 56.01 +17 13 12.3 – c N31
2020-06-09 03:19:20 C 17 06 32.32 +16 56 38.4 – q I15
2020-06-09 03:20:55 C 17 06 32.05 +16 56 35.3 – q I15
2020-06-09 03:22:30 C 17 06 31.79 +16 56 32.1 – q I15
2020-06-09 10:30:03 C 17 05 21.13 +16 42 41.2 – V T08
2020-06-09 10:38:44 C 17 05 19.68 +16 42 24.2 – V T08
2020-06-09 10:47:36 C 17 05 18.20 +16 42 07.0 – V T08
2020-06-09 11:38:57 C 17 05 09.61 +16 40 26.7 – V T08
2020-06-09 17:48:40 C 17 04 10.75 +16 28 26.3 – c N31
2020-06-09 18:02:31 C 17 04 08.46 +16 28 00.8 – c N31
2020-06-10 21:06:51 C 16 59 57.16 +15 36 32.5 – V 186
2020-06-10 21:08:58 C 16 59 56.84 +15 36 28.5 – V 186
2020-06-10 21:11:04 C 16 59 56.50 +15 36 24.7 – V 186
2020-06-10 21:13:09 C 16 59 56.20 +15 36 20.7 – V 186
2020-06-10 21:16:27 C 16 59 56.19 +15 36 13.4 – V 089
2020-06-10 21:19:55 C 16 59 55.66 +15 36 07.1 – V 089