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
2020-06-07 10:44:15 s 1 -174832.87 3 +113871.60 7770.0 C57
2020-06-07 11:14:15 S 17 14 10.639 +18 16 59.84 V C57
2020-06-07 11:14:15 s 1 -174266.75 1 +111310.61 5420.0 C57
2020-06-07 11:44:15 S 17 14 05.038 +18 16 01.96 V C57
2020-06-07 11:44:15 s 1 -173675.21 5 +108733.47 9070.0 C57
2020-06-07 12:44:15 S 17 13 53.522 +18 14 00.49 V C57
2020-06-07 12:44:15 s 1 -172413.43 0 +103530.48 2940.0 C57
2020-06-07 13:14:15 S 17 13 47.551 +18 12 59.04 V C57
2020-06-07 13:14:15 s 1 -171741.88 3 +100904.52 2400.0 C57
2020-06-07 13:44:15 S 17 13 41.837 +18 11 58.85 V C57
2020-06-07 13:44:15 s 1 -171042.32 9 +98262.182 6340.0 C57
2020-06-07 14:14:15 S 17 13 36.194 +18 11 00.02 V C57
2020-06-07 14:14:15 s 1 -170314.05 6 +95603.412 4350.0 C57
2020-06-07 14:44:15 S 17 13 30.233 +18 10 00.30 V C57
2020-06-07 14:44:15 s 1 -169556.32 6 +92928.180 5990.0 C57
2020-06-07 15:14:15 S 17 13 24.833 +18 09 03.24 V C57
2020-06-07 15:14:15 s 1 -168768.37 1 +90236.453 820.0 C57
2020-06-07 15:44:15 S 17 13 18.917 +18 08 01.25 V C57
2020-06-07 15:44:15 s 1 -167949.39 5 +87528.210 8360.0 C57
2020-06-07 16:14:15 S 17 13 13.058 +18 07 01.85 V C57
2020-06-07 16:14:15 s 1 -167098.56 8 +84803.434 8120.0 C57
2020-06-07 16:44:15 S 17 13 07.872 +18 06 07.09 V C57
2020-06-07 16:44:15 s 1 -166215.02 7 +82062.124 9590.0 C57
2020-06-07 17:14:15 S 17 13 01.685 +18 05 03.08 V C57
2020-06-07 17:14:15 s 1 -165297.87 5 +79304.285 2240.0 C57
2020-06-07 17:44:15 S 17 12 55.862 +18 04 04.62 V C57
2020-06-07 17:44:15 s 1 -164346.17 6 +76529.936 5510.0 C57
2020-06-07 19:14:15 S 17 12 38.616 +18 01 06.53 V C57
2020-06-07 19:14:15 s 1 -161273.85 1 +68108.230 3070.0 C57
2020-06-07 19:44:15 S 17 12 32.993 +18 00 07.16 V C57
2020-06-07 19:44:15 s 1 -160173.80 2 +65268.324 2730.0 C57
2020-06-07 20:14:15 S 17 12 27.226 +17 59 08.66 V C57
2020-06-07 20:14:15 s 1 -159033.90 3 +62412.237 9830.0 C57
2020-06-07 20:44:15 S 17 12 21.473 +17 58 09.62 V C57
2020-06-07 20:44:15 s 1 -157852.94 9 +59540.096 3640.0 C57
2020-06-07 21:14:15 S 17 12 15.617 +17 57 10.69 V C57
2020-06-07 21:14:15 s 1 -156629.68 3 +56652.051 3400.0 C57
2020-06-07 21:44:15 S 17 12 09.970 +17 56 12.08 V C57
2020-06-07 21:44:15 s 1 -155362.79 2 +53748.282 8300.0 C57
2020-06-07 22:44:15 S 17 11 58.459 +17 54 14.00 V C57
2020-06-07 22:44:15 s 1 -152692.57 5 +47894.447 180.0 C57
2020-06-07 23:44:15 S 17 11 46.913 +17 52 15.24 V C57
2020-06-07 23:44:15 s 1 -149830.52 7 +41980.711 2060.0 C57
2020-06-08 00:14:15 S 17 11 41.107 +17 51 16.49 V C57
2020-06-08 00:14:15 s 1 -148323.58 2 +39002.228 9310.0 C57
2020-06-08 00:44:15 S 17 11 35.376 +17 50 17.81 V C57
2020-06-08 00:44:15 s 1 -146763.74 6 +36009.885 6020.0 C57
2020-06-08 01:14:15 S 17 11 29.638 +17 49 18.55 V C57
2020-06-08 01:14:15 s 1 -145149.20 9 +33004.168 1060.0 C57
2020-06-08 01:44:15 S 17 11 23.767 +17 48 19.51 V C57