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
2024-06-27 22:38:12 C 17 02 08.606 +01 09 38.74 V M22
2024-06-27 23:03:57 C 17 02 06.670 +01 09 22.03 V M22
2024-07-01 10:08:15 C 16 56 28.702 +00 16 01.74 V T05
2024-07-01 10:34:29 C 16 56 27.000 +00 15 45.47 V T05
2024-07-01 10:39:02 C 16 56 26.705 +00 15 42.34 V T05
2024-07-01 10:46:51 C 16 56 26.198 +00 15 37.37 V T05
2024-07-01 20:59:26 C 16 55 48.564 +00 09 20.81 V M22
2024-07-01 21:03:43 C 16 55 48.281 +00 09 18.11 V M22
2024-07-01 21:15:44 C 16 55 47.386 +00 09 01.50 W M01
2024-07-01 21:22:24 C 16 55 46.996 +00 08 57.78 W M01
2024-07-01 21:52:22 C 16 55 45.214 +00 08 47.58 V M22
2024-07-01 22:32:17 C 16 55 42.686 +00 08 22.70 V M22
2024-07-03 08:32:50 C 16 53 42.452 -00 12 50.09 X F51
2024-07-03 08:48:46 C 16 53 41.512 -00 12 59.87 X F51
2024-07-03 09:04:42 C 16 53 40.568 -00 13 09.67 X F51
2024-07-03 09:05:18 C 16 53 40.529 -00 13 09.73 V T08
2024-07-03 09:09:23 C 16 53 40.284 -00 13 12.32 V T08
2024-07-03 09:17:08 C 16 53 39.828 -00 13 17.08 V T08
2024-07-03 09:20:33 C 16 53 39.630 -00 13 19.44 X F51
2024-07-03 09:33:01 C 16 53 38.882 -00 13 26.94 V T08
2024-07-04 03:14:54 C 16 52 39.653 -00 24 10.55 V W68
2024-07-04 03:19:28 C 16 52 39.420 -00 24 13.00 V W68
2024-07-04 03:27:18 C 16 52 38.971 -00 24 17.86 V W68
2024-07-04 03:43:01 C 16 52 38.105 -00 24 27.32 V W68
2024-07-04 21:42:02 C 16 51 40.26 -00 35 30.9 V Z45
2024-07-04 21:47:18 C 16 51 39.98 -00 35 34.2 V Z45
2024-07-04 21:52:32 C 16 51 39.70 -00 35 37.0 V Z45
2024-07-04 21:57:48 C 16 51 39.41 -00 35 40.8 V Z45
2024-07-04 22:02:28 C 16 51 39.034 -00 35 44.30 X M26
2024-07-04 22:03:02 C 16 51 39.14 -00 35 43.6 V Z45
2024-07-04 22:07:20 C 16 51 38.777 -00 35 47.08 X M26
2024-07-04 22:11:49 C 16 51 38.546 -00 35 49.34 X M26
2024-07-05 08:51:41 C 16 51 05.258 -00 42 12.42 V T05
2024-07-05 08:56:43 C 16 51 04.982 -00 42 15.44 V T05
2024-07-05 09:07:08 C 16 51 04.452 -00 42 21.71 V T05
2024-07-05 09:23:11 C 16 51 03.581 -00 42 31.68 V T05
2024-07-06 14:36:44 C 16 49 36.33 -00 59 58.7 V D29
2024-07-06 14:57:06 C 16 49 35.29 -01 00 10.7 V D29
2024-07-06 15:36:03 C 16 49 33.37 -01 00 33.8 V D29
2024-07-07 08:34:23 C 16 48 45.480 -01 10 32.38 V T08
2024-07-07 08:38:23 C 16 48 45.302 -01 10 34.79 V T08
2024-07-07 08:47:18 C 16 48 44.890 -01 10 40.04 V T08
2024-07-07 09:02:48 C 16 48 44.141 -01 10 48.90 V T08
2024-07-08 02:36:29 C 16 47 56.532 -01 20 58.02 V W68
2024-07-08 02:41:42 C 16 47 56.294 -01 21 01.01 V W68
2024-07-08 02:52:50 C 16 47 55.776 -01 21 07.56 V W68
2024-07-08 03:07:17 C 16 47 55.094 -01 21 15.84 V W68
2024-07-09 08:43:01 C 16 46 39.180 -01 38 27.02 V T05
2024-07-09 08:47:34 C 16 46 38.952 -01 38 29.26 V T05
2024-07-09 08:56:10 C 16 46 38.597 -01 38 34.33 V T05