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
2020-06-06 07:44:15 s 1 -178951.24 1 +230425.86 4420.0 C57
2020-06-06 08:14:15 S 17 19 25.356 +19 11 38.29 V C57
2020-06-06 08:14:15 s 1 -179215.04 6 +228617.17 8940.0 C57
2020-06-06 08:44:15 S 17 19 19.260 +19 10 35.83 V C57
2020-06-06 08:44:15 s 1 -179469.36 1 +226796.53 8450.0 C57
2020-06-06 09:14:15 S 17 19 13.622 +19 09 36.47 V C57
2020-06-06 09:14:15 s 1 -179714.04 8 +224963.88 2890.0 C57
2020-06-06 09:44:15 S 17 19 07.730 +19 08 35.02 V C57
2020-06-06 09:44:15 s 1 -179948.96 4 +223119.16 2180.0 C57
2020-06-06 10:14:15 S 17 19 01.670 +19 07 31.73 V C57
2020-06-06 10:14:15 s 1 -180173.96 8 +221262.32 6240.0 C57
2020-06-06 10:44:15 S 17 18 55.759 +19 06 30.28 V C57
2020-06-06 10:44:15 s 1 -180388.91 1 +219393.27 5000.0 C57
2020-06-06 11:14:15 S 17 18 49.778 +19 05 27.67 V C57
2020-06-06 11:14:15 s 1 -180593.64 3 +217511.96 8360.0 C57
2020-06-06 11:44:15 S 17 18 43.999 +19 04 26.98 V C57
2020-06-06 11:44:15 s 1 -180788.01 0 +215618.31 6240.0 C57
2020-06-06 12:44:15 S 17 18 32.222 +19 02 25.01 V C57
2020-06-06 12:44:15 s 1 -181145.01 7 +211793.77 5230.0 C57
2020-06-06 13:14:15 S 17 18 26.371 +19 01 24.89 V C57
2020-06-06 13:14:15 s 1 -181307.33 2 +209862.72 6170.0 C57
2020-06-06 13:44:15 S 17 18 20.530 +19 00 23.33 V C57
2020-06-06 13:44:15 s 1 -181458.63 0 +207919.08 1260.0 C57
2020-06-06 14:14:15 S 17 18 14.398 +18 59 19.64 V C57
2020-06-06 14:14:15 s 1 -181598.74 0 +205962.75 430.0 C57
2020-06-06 14:44:15 S 17 18 08.635 +18 58 18.41 V C57
2020-06-06 14:44:15 s 1 -181727.48 6 +203993.69 3570.0 C57
2020-06-06 15:14:15 S 17 18 02.508 +18 57 17.71 V C57
2020-06-06 15:14:15 s 1 -181844.68 6 +202011.80 590.0 C57
2020-06-06 15:44:15 S 17 17 57.156 +18 56 17.63 V C57
2020-06-06 15:44:15 s 1 -181950.15 5 +200017.02 1380.0 C57
2020-06-06 16:14:15 S 17 17 50.753 +18 55 13.44 V C57
2020-06-06 16:14:15 s 1 -182043.70 5 +198009.27 5840.0 C57
2020-06-06 16:44:15 S 17 17 45.170 +18 54 14.90 V C57
2020-06-06 16:44:15 s 1 -182125.14 1 +195988.49 3860.0 C57
2020-06-06 17:14:15 S 17 17 39.178 +18 53 12.48 V C57
2020-06-06 17:14:15 s 1 -182194.26 3 +193954.59 5330.0 C57
2020-06-06 17:44:15 S 17 17 33.456 +18 52 11.50 V C57
2020-06-06 17:44:15 s 1 -182250.86 9 +191907.49 140.0 C57
2020-06-06 18:14:15 S 17 17 27.516 +18 51 11.38 V C57
2020-06-06 18:14:15 s 1 -182294.75 0 +189847.13 8170.0 C57
2020-06-06 18:44:15 S 17 17 21.528 +18 50 08.84 V C57
2020-06-06 18:44:15 s 1 -182325.69 0 +187773.42 9300.0 C57
2020-06-06 19:14:15 S 17 17 15.986 +18 49 10.81 V C57
2020-06-06 19:14:15 s 1 -182343.47 0 +185686.29 3410.0 C57
2020-06-06 19:44:15 S 17 17 09.979 +18 48 07.63 V C57
2020-06-06 19:44:15 s 1 -182347.86 4 +183585.65 390.0 C57
2020-06-06 20:14:15 S 17 17 04.145 +18 47 06.97 V C57
2020-06-06 20:14:15 s 1 -182338.64 2 +181471.43 80.0 C57
2020-06-06 21:14:15 S 17 16 52.560 +18 45 05.65 V C57