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
2020-06-04 06:44:15 s 1 -121742.93 5 +357279.23 8870.0 C57
2020-06-04 07:14:15 S 17 29 35.750 +20 55 43.93 V C57
2020-06-04 07:14:15 s 1 -122542.54 5 +356434.66 7410.0 C57
2020-06-04 07:44:15 S 17 29 29.201 +20 54 38.70 V C57
2020-06-04 07:44:15 s 1 -123339.09 0 +355581.59 4500.0 C57
2020-06-04 08:14:15 S 17 29 22.526 +20 53 31.31 V C57
2020-06-04 08:14:15 s 1 -124132.53 9 +354720.01 120.0 C57
2020-06-04 08:14:15 C 17 28 45.25 +20 59 24.9 V 703
2020-06-04 08:21:19 C 17 28 43.67 +20 59 09.3 V 703
2020-06-04 08:28:21 C 17 28 42.06 +20 58 53.3 V 703
2020-06-04 08:35:24 C 17 28 40.45 +20 58 37.6 V 703
2020-06-04 08:44:15 S 17 29 16.291 +20 52 28.31 V C57
2020-06-04 08:44:15 s 1 -124922.86 1 +353849.90 4270.0 C57
2020-06-04 09:14:15 S 17 29 09.566 +20 51 20.70 V C57
2020-06-04 09:14:15 s 1 -125710.02 2 +352971.24 6910.0 C57
2020-06-04 09:44:15 S 17 29 03.122 +20 50 17.05 V C57
2020-06-04 09:44:15 s 1 -126493.99 0 +352084.02 8030.0 C57
2020-06-04 10:14:15 S 17 28 56.539 +20 49 11.21 V C57
2020-06-04 10:14:15 s 1 -127274.73 2 +351188.21 7610.0 C57
2020-06-04 11:44:15 S 17 28 37.656 +20 46 00.26 V C57
2020-06-04 11:44:15 s 1 -129597.26 5 +348449.12 6910.0 C57
2020-06-04 12:14:15 S 17 28 30.838 +20 44 53.09 V C57
2020-06-04 12:14:15 s 1 -130364.76 5 +347518.81 130.0 C57
2020-06-04 12:44:15 S 17 28 24.180 +20 43 45.37 V C57
2020-06-04 12:44:15 s 1 -131128.86 8 +346579.82 1700.0 C57
2020-06-04 13:14:15 S 17 28 17.942 +20 42 41.90 V C57
2020-06-04 13:14:15 s 1 -131889.54 0 +345632.13 1620.0 C57
2020-06-04 13:44:15 S 17 28 10.824 +20 41 30.37 V C57
2020-06-04 13:44:15 s 1 -132646.74 4 +344675.73 9850.0 C57
2020-06-04 14:14:15 S 17 28 04.195 +20 40 22.91 V C57
2020-06-04 14:14:15 s 1 -133400.44 5 +343710.60 6370.0 C57
2020-06-04 14:44:15 S 17 27 58.380 +20 39 24.01 V C57
2020-06-04 14:44:15 s 1 -134150.60 6 +342736.71 1170.0 C57
2020-06-04 15:14:15 S 17 27 52.013 +20 38 20.11 V C57
2020-06-04 15:14:15 s 1 -134897.19 0 +341754.04 4220.0 C57
2020-06-04 15:44:15 S 17 27 45.746 +20 37 16.57 V C57
2020-06-04 15:44:15 s 1 -135640.16 1 +340762.58 5500.0 C57
2020-06-04 16:14:15 S 17 27 38.945 +20 36 07.92 V C57
2020-06-04 16:14:15 s 1 -136379.48 1 +339762.31 5000.0 C57
2020-06-04 16:44:15 S 17 27 32.515 +20 35 03.70 V C57
2020-06-04 16:44:15 s 1 -137115.11 1 +338753.19 2670.0 C57
2020-06-04 17:14:15 S 17 27 26.002 +20 33 58.93 V C57
2020-06-04 17:14:15 s 1 -137847.01 3 +337735.21 8520.0 C57
2020-06-04 17:44:15 S 17 27 19.771 +20 32 55.00 V C57
2020-06-04 17:44:15 s 1 -138575.14 9 +336708.36 2510.0 C57
2020-06-04 18:14:15 S 17 27 13.289 +20 31 48.47 V C57
2020-06-04 18:14:15 s 1 -139299.47 8 +335672.59 4610.0 C57
2020-06-04 18:44:15 S 17 27 06.850 +20 30 43.20 V C57
2020-06-04 18:44:15 s 1 -140019.96 2 +334627.90 4820.0 C57
2020-06-04 19:14:15 S 17 27 00.396 +20 29 37.93 V C57