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
2020-06-05 20:44:15 S 17 21 43.565 +19 35 32.10 – V C57
2020-06-05 20:44:15 s 1 -170992.73 1 +267312.84 4990.0 – C57
2020-06-05 21:14:15 S 17 21 37.409 +19 34 28.16 – V C57
2020-06-05 21:14:15 s 1 -171435.54 1 +265752.54 3230.0 – C57
2020-06-05 21:44:15 S 17 21 31.291 +19 33 24.23 – V C57
2020-06-05 21:44:15 s 1 -171871.28 6 +264181.50 7780.0 – C57
2020-06-05 22:14:15 S 17 21 25.142 +19 32 21.95 – V C57
2020-06-05 22:14:15 s 1 -172299.87 5 +262599.66 8620.0 – C57
2020-06-05 22:44:15 S 17 21 19.181 +19 31 19.20 – V C57
2020-06-05 22:44:15 s 1 -172721.21 8 +261006.97 5670.0 – C57
2020-06-05 23:14:15 S 17 21 13.296 +19 30 18.50 – V C57
2020-06-05 23:14:15 s 1 -173135.22 1 +259403.40 8900.0 – C57
2020-06-05 23:37:57 C 17 20 23.79 +19 32 37.4 – V 204
2020-06-05 23:40:27 C 17 20 23.27 +19 32 32.0 – V 204
2020-06-05 23:42:57 C 17 20 22.76 +19 32 26.6 – V 204
2020-06-05 23:44:15 S 17 21 07.140 +19 29 15.22 – V C57
2020-06-05 23:44:15 s 1 -173541.79 0 +257788.88 8250.0 – C57
2020-06-05 23:45:28 C 17 20 22.25 +19 32 21.3 – V 204
2020-06-05 23:47:58 C 17 20 21.73 +19 32 15.8 – V 204
2020-06-06 00:14:15 S 17 21 00.775 +19 28 09.55 – V C57
2020-06-06 00:14:15 s 1 -173940.82 9 +256163.37 3670.0 – C57
2020-06-06 00:44:15 S 17 20 55.159 +19 27 10.66 – V C57
2020-06-06 00:44:15 s 1 -174332.23 8 +254526.82 5100.0 – C57
2020-06-06 01:14:15 S 17 20 48.984 +19 26 07.37 – V C57
2020-06-06 01:14:15 s 1 -174715.92 0 +252879.18 2500.0 – C57
2020-06-06 01:44:15 S 17 20 43.099 +19 25 06.10 – V C57
2020-06-06 01:44:15 s 1 -175091.77 1 +251220.39 5810.0 – C57
2020-06-06 02:14:15 S 17 20 37.123 +19 24 03.53 – V C57
2020-06-06 02:14:15 s 1 -175459.68 7 +249550.40 4960.0 – C57
2020-06-06 02:44:15 S 17 20 31.025 +19 23 00.82 – V C57
2020-06-06 02:44:15 s 1 -175819.56 3 +247869.17 9910.0 – C57
2020-06-06 03:14:15 S 17 20 25.006 +19 21 57.53 – V C57
2020-06-06 03:14:15 s 1 -176171.29 0 +246176.63 590.0 – C57
2020-06-06 03:44:15 S 17 20 18.998 +19 20 56.18 – V C57
2020-06-06 03:44:15 s 1 -176514.75 9 +244472.73 6940.0 – C57
2020-06-06 04:14:15 S 17 20 13.054 +19 19 54.26 – V C57
2020-06-06 04:14:15 s 1 -176849.85 7 +242757.42 8910.0 – C57
2020-06-06 04:44:15 S 17 20 07.265 +19 18 53.24 – V C57
2020-06-06 04:44:15 s 1 -177176.47 0 +241030.64 6420.0 – C57
2020-06-06 05:14:15 S 17 20 01.068 +19 17 49.99 – V C57
2020-06-06 05:14:15 s 1 -177494.48 0 +239292.33 9430.0 – C57
2020-06-06 05:44:15 S 17 19 55.265 +19 16 49.19 – V C57
2020-06-06 05:44:15 s 1 -177803.77 0 +237542.44 7850.0 – C57
2020-06-06 06:14:15 S 17 19 49.265 +19 15 46.73 – V C57
2020-06-06 06:14:15 s 1 -178104.21 6 +235780.91 1630.0 – C57
2020-06-06 06:44:15 S 17 19 43.200 +19 14 43.08 – V C57
2020-06-06 06:44:15 s 1 -178395.69 4 +234007.67 700.0 – C57
2020-06-06 07:14:15 S 17 19 37.301 +19 13 42.82 – V C57
2020-06-06 07:14:15 s 1 -178678.07 9 +232222.68 4990.0 – C57
2020-06-06 07:44:15 S 17 19 31.378 +19 12 41.22 – V C57