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
2023-07-12 13:23:05 C 22 06 48.519 -10 12 40.85 X F51
2023-07-12 13:37:31 C 22 06 48.082 -10 12 43.80 X F51
2023-07-12 13:52:00 C 22 06 47.647 -10 12 46.65 X F51
2023-07-25 09:41:39 C 21 55 45.658 -11 27 10.36 X F51
2023-07-25 09:58:59 C 21 55 44.903 -11 27 15.39 X F51
2023-07-25 10:16:16 C 21 55 44.131 -11 27 20.26 X F51
2023-07-25 10:33:32 C 21 55 43.384 -11 27 25.13 X F51
2023-08-05 12:37:47 C 21 42 53.240 -12 50 05.69 X F51
2023-08-05 12:55:42 C 21 42 52.272 -12 50 11.63 X F51
2023-08-05 13:13:36 C 21 42 51.300 -12 50 17.66 X F51
2023-08-05 13:31:31 C 21 42 50.320 -12 50 23.71 X F51
2023-08-12 05:48:24 C 21 33 53.369 -13 46 02.06 V W68
2023-08-12 05:53:00 C 21 33 53.119 -13 46 03.79 V W68
2023-08-12 06:00:52 C 21 33 52.606 -13 46 07.90 V W68
2023-08-12 06:20:29 C 21 33 51.446 -13 46 14.84 V W68
2023-08-18 08:24:56 C 21 25 08.690 -14 39 08.76 X F51
2023-08-18 08:42:15 C 21 25 07.614 -14 39 15.11 X F51
2023-08-18 08:59:34 C 21 25 06.537 -14 39 21.45 X F51
2023-08-23 08:40:47 C 21 17 44.690 -15 22 57.91 X F52
2023-08-23 08:59:09 C 21 17 43.536 -15 23 04.56 X F52
2023-08-23 09:17:40 C 21 17 42.364 -15 23 11.32 X F52
2023-08-23 09:36:08 C 21 17 41.199 -15 23 17.97 X F52
2023-09-07 03:19:07 C 20 56 16.580 -17 25 09.44 V G96
2023-09-07 03:29:53 C 20 56 15.907 -17 25 13.12 V G96
2023-09-07 03:37:53 C 20 56 15.479 -17 25 15.67 V G96
2023-09-07 03:45:54 C 20 56 15.004 -17 25 18.12 V G96
2023-09-09 07:10:59 C 20 53 20.322 -17 41 22.44 X F51
2023-09-09 07:26:46 C 20 53 19.420 -17 41 27.27 X F51
2023-09-09 07:42:36 C 20 53 18.520 -17 41 32.15 X F51
2023-09-14 06:36:01 C 20 46 55.349 -18 16 33.76 X F51
2023-09-14 06:50:56 C 20 46 54.559 -18 16 37.98 X F51
2023-09-14 07:05:52 C 20 46 53.772 -18 16 42.19 X F51
2023-10-13 05:52:23 C 20 23 17.361 -20 33 23.77 X F51
2023-10-13 06:09:06 C 20 23 17.094 -20 33 25.68 X F51
2023-10-13 06:25:47 C 20 23 16.832 -20 33 27.58 X F51
2023-10-13 06:42:26 C 20 23 16.564 -20 33 29.52 X F51
2023-10-31 05:02:10 C 20 22 08.133 -21 03 52.75 X F52
2023-10-31 05:09:32 C 20 22 08.190 -21 03 52.89 X F52
2023-10-31 05:16:58 C 20 22 08.247 -21 03 53.12 X F52
2023-10-31 05:24:20 C 20 22 08.306 -21 03 53.30 X F52
2024-04-17 14:32:28 C 21 46 45.166 +11 18 34.81 V T05
2024-04-17 14:40:18 C 21 46 43.536 +11 18 36.79 V T05
2024-04-17 15:04:16 C 21 46 38.561 +11 18 42.01 V T05
2024-04-17 15:13:48 C 21 46 36.602 +11 18 44.14 V T05
2024-04-18 11:14:19 C 21 42 32.483 +11 22 51.67 V 703
2024-04-18 11:17:36 C 21 42 31.810 +11 22 51.35 V 703
2024-04-18 11:20:54 C 21 42 31.136 +11 22 51.89 V 703
2024-04-18 11:24:12 C 21 42 30.481 +11 22 52.97 V 703
2024-04-21 02:58:52 C 21 29 51.149 +11 35 26.05 V M22
2024-04-21 03:03:26 C 21 29 50.239 +11 35 26.84 V M22