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 08:44:15 S 17 24 10.630 +20 00 46.62 V C57
2020-06-05 08:44:15 s 1 -158453.41 9 +301648.57 6910.0 C57
2020-06-05 09:11:56 C 17 23 22.18 +20 04 06.1 V T08
2020-06-05 09:14:15 S 17 24 04.567 +19 59 44.45 V C57
2020-06-05 09:14:15 s 1 -159042.54 6 +300333.50 760.0 C57
2020-06-05 09:16:34 C 17 23 21.18 +20 03 56.0 V T08
2020-06-05 09:20:36 C 17 23 20.31 +20 03 47.2 V T08
2020-06-05 09:44:15 S 17 23 58.298 +19 58 40.19 V C57
2020-06-05 09:44:15 s 1 -159626.35 8 +299008.65 1890.0 C57
2020-06-05 09:59:08 C 17 23 12.06 +20 02 23.2 V T08
2020-06-05 10:44:15 S 17 23 45.857 +19 56 32.06 V C57
2020-06-05 10:44:15 s 1 -160777.79 5 +296329.47 5850.0 C57
2020-06-05 11:14:15 S 17 23 39.713 +19 55 29.53 V C57
2020-06-05 11:14:15 s 1 -161345.29 7 +294975.08 8600.0 C57
2020-06-05 11:44:15 S 17 23 33.595 +19 54 27.50 V C57
2020-06-05 11:44:15 s 1 -161907.23 7 +293610.76 8500.0 C57
2020-06-05 12:14:15 S 17 23 27.499 +19 53 23.82 V C57
2020-06-05 12:14:15 s 1 -162463.55 2 +292236.49 5510.0 C57
2020-06-05 12:44:15 S 17 23 21.192 +19 52 18.48 V C57
2020-06-05 12:44:15 s 1 -163014.17 6 +290852.23 9580.0 C57
2020-06-05 13:14:15 S 17 23 15.206 +19 51 17.57 V C57
2020-06-05 13:14:15 s 1 -163559.04 2 +289457.93 690.0 C57
2020-06-05 13:44:15 S 17 23 08.789 +19 50 11.22 V C57
2020-06-05 13:44:15 s 1 -164098.08 4 +288053.57 8800.0 C57
2020-06-05 14:14:15 S 17 23 02.726 +19 49 09.26 V C57
2020-06-05 14:14:15 s 1 -164631.23 3 +286639.10 3860.0 C57
2020-06-05 14:44:15 S 17 22 56.580 +19 48 06.01 V C57
2020-06-05 14:44:15 s 1 -165158.42 1 +285214.49 5850.0 C57
2020-06-05 15:14:15 S 17 22 50.520 +19 47 02.72 V C57
2020-06-05 15:14:15 s 1 -165679.57 5 +283779.69 4720.0 C57
2020-06-05 15:44:15 S 17 22 44.172 +19 45 59.26 V C57
2020-06-05 15:44:15 s 1 -166194.62 5 +282334.66 440.0 C57
2020-06-05 16:14:15 S 17 22 38.047 +19 44 53.84 V C57
2020-06-05 16:14:15 s 1 -166703.49 8 +280879.37 2960.0 C57
2020-06-05 16:44:15 S 17 22 31.877 +19 43 48.65 V C57
2020-06-05 16:44:15 s 1 -167206.12 0 +279413.78 2250.0 C57
2020-06-05 17:14:15 S 17 22 25.939 +19 42 49.50 V C57
2020-06-05 17:14:15 s 1 -167702.41 5 +277937.83 8260.0 C57
2020-06-05 17:44:15 S 17 22 19.860 +19 41 46.46 V C57
2020-06-05 17:44:15 s 1 -168192.30 7 +276451.49 950.0 C57
2020-06-05 18:14:15 S 17 22 13.949 +19 40 46.24 V C57
2020-06-05 18:14:15 s 1 -168675.71 7 +274954.72 280.0 C57
2020-06-05 18:44:15 S 17 22 07.838 +19 39 42.37 V C57
2020-06-05 18:44:15 s 1 -169152.56 8 +273447.48 6200.0 C57
2020-06-05 19:14:15 S 17 22 01.548 +19 38 37.18 V C57
2020-06-05 19:14:15 s 1 -169622.77 7 +271929.71 8680.0 C57
2020-06-05 19:44:15 S 17 21 55.447 +19 37 35.87 V C57
2020-06-05 19:44:15 s 1 -170086.26 3 +270401.38 7670.0 C57
2020-06-05 20:14:15 S 17 21 49.850 +19 36 38.52 V C57
2020-06-05 20:14:15 s 1 -170542.94 3 +268862.44 3120.0 C57