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 21:14:15 s 1 -182278.39 1 +177201.91 7130.0 C57
2020-06-06 21:44:15 S 17 16 46.714 +18 44 04.92 V C57
2020-06-06 21:44:15 s 1 -182226.86 8 +175046.45 4200.0 C57
2020-06-06 22:14:15 S 17 16 40.778 +18 43 02.39 V C57
2020-06-06 22:14:15 s 1 -182160.74 0 +172877.08 3440.0 C57
2020-06-06 22:44:15 S 17 16 34.680 +18 41 58.92 V C57
2020-06-06 22:44:15 s 1 -182079.74 1 +170693.71 4720.0 C57
2020-06-06 23:14:15 S 17 16 29.184 +18 41 01.79 V C57
2020-06-06 23:14:15 s 1 -181983.60 2 +168496.27 7870.0 C57
2020-06-06 23:44:15 S 17 16 23.474 +18 40 01.99 V C57
2020-06-06 23:44:15 s 1 -181872.04 1 +166284.66 2730.0 C57
2020-06-07 00:14:15 S 17 16 17.546 +18 39 00.25 V C57
2020-06-07 00:14:15 s 1 -181744.77 4 +164058.80 9160.0 C57
2020-06-07 00:44:15 S 17 16 11.755 +18 37 59.92 V C57
2020-06-07 00:44:15 s 1 -181601.50 4 +161818.61 6980.0 C57
2020-06-07 01:14:15 S 17 16 05.952 +18 36 59.72 V C57
2020-06-07 01:14:15 s 1 -181441.92 8 +159564.00 6010.0 C57
2020-06-07 02:44:15 S 17 15 48.662 +18 33 59.94 V C57
2020-06-07 02:44:15 s 1 -180862.19 3 +152712.78 8660.0 C57
2020-06-07 03:14:15 S 17 15 42.749 +18 32 57.95 V C57
2020-06-07 03:14:15 s 1 -180634.17 5 +150399.62 770.0 C57
2020-06-07 03:44:15 S 17 15 37.090 +18 31 58.55 V C57
2020-06-07 03:44:15 s 1 -180388.19 4 +148071.61 3160.0 C57
2020-06-07 04:14:15 S 17 15 31.231 +18 30 57.78 V C57
2020-06-07 04:14:15 s 1 -180123.88 6 +145728.65 5620.0 C57
2020-06-07 05:44:15 S 17 15 14.266 +18 27 59.36 V C57
2020-06-07 05:44:15 s 1 -179217.21 7 +138609.27 1330.0 C57
2020-06-07 06:14:15 S 17 15 08.311 +18 26 58.38 V C57
2020-06-07 06:14:15 s 1 -178875.75 5 +136205.68 1920.0 C57
2020-06-07 06:44:15 S 17 15 02.789 +18 26 00.17 V C57
2020-06-07 06:44:15 s 1 -178513.97 8 +133786.72 1450.0 C57
2020-06-07 08:14:15 S 17 14 45.238 +18 22 57.07 V C57
2020-06-07 08:14:15 s 1 -177302.32 6 +126436.73 1170.0 C57
2020-06-07 08:44:15 S 17 14 39.694 +18 21 58.54 V C57
2020-06-07 08:44:15 s 1 -176854.78 0 +123955.44 3890.0 C57
2020-06-07 09:14:15 S 17 14 33.658 +18 20 57.73 V C57
2020-06-07 09:14:15 s 1 -176384.58 6 +121458.35 4210.0 C57
2020-06-07 09:21:20 C 17 13 53.46 +18 21 29.8 V T05
2020-06-07 09:22:39 C 17 13 53.22 +18 21 27.0 V T05
2020-06-07 09:26:02 C 17 13 52.59 +18 21 20.1 V T05
2020-06-07 09:27:20 C 17 13 52.32 +18 21 17.4 V T05
2020-06-07 09:30:39 C 17 13 51.70 +18 21 10.5 V T05
2020-06-07 09:37:58 C 17 13 50.36 +18 20 56.2 V T05
2020-06-07 09:44:15 S 17 14 27.682 +18 19 54.59 V C57
2020-06-07 09:44:15 s 1 -175891.22 9 +118945.40 1840.0 C57
2020-06-07 09:52:35 C 17 13 47.54 +18 20 25.2 V T05
2020-06-07 10:14:15 S 17 14 22.474 +18 19 00.34 V C57
2020-06-07 10:14:15 s 1 -175374.17 5 +116416.51 6460.0 C57
2020-06-07 10:33:42 C 17 13 39.74 +18 19 00.2 V T05
2020-06-07 10:44:15 S 17 14 16.618 +18 18 00.54 V C57