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
2024-06-13 21:37:37 C 17 35 05.239 +05 01 43.10 V M52
2024-06-13 22:09:21 C 17 35 01.14 +05 01 19.4 X G02
2024-06-13 22:14:23 C 17 35 00.52 +05 01 16.0 X G02
2024-06-13 22:19:09 C 17 34 59.91 +05 01 12.9 X G02
2024-06-14 21:20:14 C 17 32 11.575 +04 44 51.68 V M52
2024-06-14 21:50:16 C 17 32 07.896 +04 44 30.34 V M52
2024-06-15 09:38:34 C 17 30 43.430 +04 36 10.69 V T05
2024-06-15 09:43:08 C 17 30 42.888 +04 36 07.49 V T05
2024-06-15 09:48:59 C 17 30 42.168 +04 36 03.31 V T05
2024-06-16 21:34:11 C 17 26 34.99 +04 10 38.0 X G02
2024-06-16 21:39:46 C 17 26 34.35 +04 10 33.9 X G02
2024-06-16 21:45:05 C 17 26 33.70 +04 10 30.3 X G02
2024-06-16 23:22:23 B 17 26 22.675 +04 09 22.07 V 160
2024-06-16 23:31:05 B 17 26 21.691 +04 09 15.88 V 160
2024-06-16 23:40:19 B 17 26 20.638 +04 09 09.72 V 160
2024-06-17 16:23:57 C 17 24 29.50 +03 57 22.5 V D29
2024-06-17 16:25:08 C 17 24 29.35 +03 57 21.7 V D29
2024-06-17 16:42:59 C 17 24 27.37 +03 57 09.0 V D29
2024-06-17 16:44:11 C 17 24 27.23 +03 57 08.2 V D29
2024-06-17 17:02:01 C 17 24 25.22 +03 56 55.9 V D29
2024-06-17 17:03:12 C 17 24 25.10 +03 56 55.2 V D29
2024-06-18 03:30:32 C 17 23 17.410 +03 49 43.86 V W68
2024-06-18 03:33:09 C 17 23 17.124 +03 49 41.81 V W68
2024-06-18 03:37:44 C 17 23 16.620 +03 49 38.68 V W68
2024-06-18 03:48:52 C 17 23 15.408 +03 49 31.01 V W68
2024-06-23 09:41:41 C 17 10 56.261 +02 22 07.93 V T05
2024-06-23 09:56:45 C 17 10 54.919 +02 21 57.49 V T05
2024-06-23 10:01:18 C 17 10 54.499 +02 21 54.68 V T05
2024-06-23 10:09:26 C 17 10 53.743 +02 21 48.74 V T05
2024-06-23 21:48:50 C 17 09 52.68 +02 13 50.2 X G02
2024-06-23 22:01:48 C 17 09 51.52 +02 13 41.6 X G02
2024-06-23 22:06:33 C 17 09 51.09 +02 13 38.7 X G02
2024-06-24 21:42:55 C 17 07 50.86 +01 57 43.5 X G02
2024-06-24 21:48:13 C 17 07 50.41 +01 57 39.8 X G02
2024-06-24 21:53:15 C 17 07 49.98 +01 57 36.4 X G02
2024-06-25 10:13:30 C 17 06 48.898 +01 49 24.71 V T08
2024-06-25 10:19:10 C 17 06 48.427 +01 49 20.68 V T08
2024-06-25 10:27:09 C 17 06 47.779 +01 49 15.49 V T08
2024-06-25 10:45:33 C 17 06 46.222 +01 49 03.22 V T08
2024-06-25 16:18:04 C 17 06 19.33 +01 45 19.3 V D29
2024-06-25 16:38:26 C 17 06 17.63 +01 45 05.5 V D29
2024-06-27 08:26:50 C 17 03 12.038 +01 18 47.84 X F52
2024-06-27 08:39:22 C 17 03 11.064 +01 18 39.61 X F52
2024-06-27 08:51:53 C 17 03 10.097 +01 18 31.41 X F52
2024-06-27 09:04:23 C 17 03 09.126 +01 18 23.21 X F52
2024-06-27 09:59:41 C 17 03 04.855 +01 17 47.04 V T05
2024-06-27 10:04:15 C 17 03 04.488 +01 17 43.94 V T05
2024-06-27 10:12:04 C 17 03 03.898 +01 17 38.90 V T05
2024-06-27 22:25:17 C 17 02 09.569 +01 09 47.34 V M22
2024-06-27 22:29:58 C 17 02 09.230 +01 09 43.81 V M22