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
2020-06-03 06:14:15 s 1 -79399.463 0 +388537.73 7890.0 – C57
2020-06-03 06:44:15 S 17 35 05.906 +21 50 08.34 – V C57
2020-06-03 06:44:15 s 1 -80315.497 0 +388093.97 9970.0 – C57
2020-06-03 07:14:15 S 17 34 59.064 +21 49 02.21 – V C57
2020-06-03 07:14:15 s 1 -81229.740 0 +387642.25 7330.0 – C57
2020-06-03 07:44:15 S 17 34 52.070 +21 47 52.94 – V C57
2020-06-03 07:44:15 s 1 -82142.169 0 +387182.56 4000.0 – C57
2020-06-03 08:14:15 S 17 34 45.106 +21 46 45.08 – V C57
2020-06-03 08:14:15 s 1 -83052.762 0 +386714.89 20.0 – C57
2020-06-03 08:44:15 S 17 34 38.309 +21 45 39.78 – V C57
2020-06-03 08:44:15 s 1 -83961.497 0 +386239.25 5370.0 – C57
2020-06-03 09:14:15 S 17 34 31.262 +21 44 29.80 – V C57
2020-06-03 09:14:15 s 1 -84868.351 0 +385755.62 50.0 – C57
2020-06-03 09:44:15 S 17 34 24.379 +21 43 22.73 – V C57
2020-06-03 09:44:15 s 1 -85773.303 0 +385264.00 4030.0 – C57
2020-06-03 10:44:15 S 17 34 10.762 +21 41 08.56 – V C57
2020-06-03 10:44:15 s 1 -87577.408 0 +384256.74 9840.0 – C57
2020-06-03 11:06:44 C 17 33 36.17 +21 47 28.4 – V T05
2020-06-03 11:11:26 C 17 33 35.04 +21 47 17.5 – V T05
2020-06-03 11:14:15 S 17 34 03.739 +21 39 59.98 – V C57
2020-06-03 11:14:15 s 1 -88476.515 0 +383741.10 1640.0 – C57
2020-06-03 11:44:15 S 17 33 57.026 +21 38 54.31 – V C57
2020-06-03 11:44:15 s 1 -89373.628 0 +383217.43 2680.0 – C57
2020-06-03 11:55:51 C 17 33 24.32 +21 45 35.5 – V T05
2020-06-03 12:04:08 C 17 33 22.32 +21 45 16.5 – V T05
2020-06-03 12:14:15 S 17 33 50.198 +21 37 47.78 – V C57
2020-06-03 12:14:15 s 1 -90268.725 0 +382685.74 2940.0 – C57
2020-06-03 12:44:15 S 17 33 43.217 +21 36 39.06 – V C57
2020-06-03 12:44:15 s 1 -91161.781 0 +382146.00 2420.0 – C57
2020-06-03 13:14:15 S 17 33 36.521 +21 35 33.50 – V C57
2020-06-03 13:14:15 s 1 -92052.773 0 +381598.22 1090.0 – C57
2020-06-03 13:44:15 S 17 33 29.753 +21 34 27.05 – V C57
2020-06-03 13:44:15 s 1 -92941.678 0 +381042.39 8940.0 – C57
2020-06-03 14:14:15 S 17 33 22.802 +21 33 18.14 – V C57
2020-06-03 14:14:15 s 1 -93828.472 0 +380478.50 5950.0 – C57
2020-06-03 14:44:15 S 17 33 16.080 +21 32 11.69 – V C57
2020-06-03 14:44:15 s 1 -94713.131 0 +379906.53 2100.0 – C57
2020-06-03 15:14:15 S 17 33 09.276 +21 31 05.05 – V C57
2020-06-03 15:14:15 s 1 -95595.631 0 +379326.49 7390.0 – C57
2020-06-03 15:44:15 S 17 33 02.417 +21 29 58.16 – V C57
2020-06-03 15:44:15 s 1 -96475.949 0 +378738.35 1790.0 – C57
2020-06-03 16:14:15 S 17 32 55.757 +21 28 50.59 – V C57
2020-06-03 16:14:15 s 1 -97354.059 0 +378142.12 5290.0 – C57
2020-06-03 16:44:15 S 17 32 48.953 +21 27 44.78 – V C57
2020-06-03 16:44:15 s 1 -98229.937 0 +377537.78 7870.0 – C57
2020-06-03 17:14:15 S 17 32 42.283 +21 26 38.47 – V C57
2020-06-03 17:14:15 s 1 -99103.559 0 +376925.32 9510.0 – C57
2020-06-03 17:44:15 S 17 32 35.364 +21 25 31.08 – V C57
2020-06-03 17:44:15 s 1 -99974.899 0 +376304.74 200.0 – C57
2020-06-03 18:14:15 S 17 32 28.510 +21 24 23.44 – V C57