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 19:14:15 s 1 -140736.55 9 +333574.26 3090.0 C57
2020-06-04 19:44:15 S 17 26 54.024 +20 28 32.66 V C57
2020-06-04 19:44:15 s 1 -141449.22 9 +332511.64 9420.0 C57
2020-06-04 20:14:15 S 17 26 47.827 +20 27 30.49 V C57
2020-06-04 20:14:15 s 1 -142157.93 1 +331440.02 3780.0 C57
2020-06-04 20:44:15 S 17 26 41.491 +20 26 25.44 V C57
2020-06-04 20:44:15 s 1 -142862.62 2 +330359.38 6140.0 C57
2020-06-04 21:14:15 S 17 26 35.131 +20 25 21.47 V C57
2020-06-04 21:14:15 s 1 -143563.26 1 +329269.70 6480.0 C57
2020-06-04 21:44:15 S 17 26 28.601 +20 24 14.00 V C57
2020-06-04 21:44:15 s 1 -144259.80 4 +328170.94 4770.0 C57
2020-06-04 22:14:15 S 17 26 22.399 +20 23 11.90 V C57
2020-06-04 22:14:15 s 1 -144952.20 8 +327063.09 990.0 C57
2020-06-04 22:44:15 S 17 26 15.948 +20 22 06.49 V C57
2020-06-04 22:44:15 s 1 -145640.43 0 +325946.11 5120.0 C57
2020-06-04 23:14:15 S 17 26 09.653 +20 21 02.45 V C57
2020-06-04 23:14:15 s 1 -146324.42 4 +324819.99 7130.0 C57
2020-06-04 23:44:15 S 17 26 03.223 +20 19 57.50 V C57
2020-06-04 23:44:15 s 1 -147004.14 6 +323684.70 7000.0 C57
2020-06-05 00:14:15 S 17 25 57.365 +20 18 59.29 V C57
2020-06-05 00:14:15 s 1 -147679.55 0 +322540.20 4690.0 C57
2020-06-05 01:14:15 S 17 25 44.724 +20 16 47.78 V C57
2020-06-05 01:14:15 s 1 -149017.21 8 +320223.50 3460.0 C57
2020-06-05 01:44:15 S 17 25 38.078 +20 15 41.62 V C57
2020-06-05 01:44:15 s 1 -149679.38 8 +319051.23 4480.0 C57
2020-06-05 02:14:15 S 17 25 31.824 +20 14 36.78 V C57
2020-06-05 02:14:15 s 1 -150337.05 1 +317869.66 3230.0 C57
2020-06-05 02:44:15 S 17 25 25.591 +20 13 33.96 V C57
2020-06-05 02:44:15 s 1 -150990.15 9 +316678.75 9670.0 C57
2020-06-05 03:14:15 S 17 25 19.190 +20 12 27.76 V C57
2020-06-05 03:14:15 s 1 -151638.66 1 +315478.48 3780.0 C57
2020-06-05 03:44:15 S 17 25 12.989 +20 11 24.72 V C57
2020-06-05 03:44:15 s 1 -152282.50 9 +314268.80 5540.0 C57
2020-06-05 04:14:15 S 17 25 06.732 +20 10 20.71 V C57
2020-06-05 04:14:15 s 1 -152921.65 0 +313049.70 4900.0 C57
2020-06-05 04:44:15 S 17 25 00.437 +20 09 16.67 V C57
2020-06-05 04:44:15 s 1 -153556.03 5 +311821.15 1850.0 C57
2020-06-05 05:44:15 S 17 24 47.945 +20 07 09.23 V C57
2020-06-05 05:44:15 s 1 -154810.32 2 +309335.55 8380.0 C57
2020-06-05 06:14:15 S 17 24 41.686 +20 06 04.86 V C57
2020-06-05 06:14:15 s 1 -155430.11 8 +308078.44 7910.0 C57
2020-06-05 06:44:15 S 17 24 35.527 +20 05 01.46 V C57
2020-06-05 06:44:15 s 1 -156044.94 3 +306811.76 4900.0 C57
2020-06-05 07:06:15 C 17 23 48.38 +20 08 32.3 V U55
2020-06-05 07:14:15 S 17 24 29.513 +20 03 59.47 V C57
2020-06-05 07:14:15 s 1 -156654.74 2 +305535.46 9330.0 C57
2020-06-05 07:39:42 C 17 23 41.23 +20 07 18.8 V U55
2020-06-05 08:09:11 C 17 23 34.89 +20 06 14.7 V U55
2020-06-05 08:14:15 S 17 24 16.901 +20 01 50.48 V C57
2020-06-05 08:14:15 s 1 -157859.03 8 +302953.90 360.0 C57