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
2020-06-03 18:14:15 s 1 -100843.93 4 +375676.02 9930.0 C57
2020-06-03 18:44:15 S 17 32 21.710 +21 23 16.26 V C57
2020-06-03 18:44:15 s 1 -101710.63 6 +375039.15 8670.0 C57
2020-06-03 19:14:15 S 17 32 15.156 +21 22 11.64 V C57
2020-06-03 19:14:15 s 1 -102574.98 2 +374394.12 6400.0 C57
2020-06-03 19:44:15 S 17 32 08.498 +21 21 04.93 V C57
2020-06-03 19:44:15 s 1 -103436.94 5 +373740.92 3130.0 C57
2020-06-03 20:14:15 S 17 32 01.733 +21 19 58.15 V C57
2020-06-03 20:14:15 s 1 -104296.50 0 +373079.55 8810.0 C57
2020-06-03 20:44:15 S 17 31 54.929 +21 18 50.87 V C57
2020-06-03 20:44:15 s 1 -105153.62 1 +372409.98 3450.0 C57
2020-06-03 21:14:15 S 17 31 48.353 +21 17 45.49 V C57
2020-06-03 21:14:15 s 1 -106008.28 1 +371732.21 7020.0 C57
2020-06-03 21:44:15 S 17 31 41.640 +21 16 39.11 V C57
2020-06-03 21:44:15 s 1 -106860.45 5 +371046.22 9500.0 C57
2020-06-03 22:14:15 S 17 31 34.932 +21 15 32.26 V C57
2020-06-03 22:14:15 s 1 -107710.11 5 +370352.01 890.0 C57
2020-06-03 22:44:15 S 17 31 28.294 +21 14 25.94 V C57
2020-06-03 22:44:15 s 1 -108557.23 5 +369649.56 1150.0 C57
2020-06-03 23:14:15 S 17 31 21.636 +21 13 20.06 V C57
2020-06-03 23:14:15 s 1 -109401.78 8 +368938.86 280.0 C57
2020-06-03 23:44:15 S 17 31 14.810 +21 12 11.48 V C57
2020-06-03 23:44:15 s 1 -110243.74 6 +368219.90 8250.0 C57
2020-06-04 00:14:15 S 17 31 08.172 +21 11 07.04 V C57
2020-06-04 00:14:15 s 1 -111083.08 3 +367492.66 5050.0 C57
2020-06-04 00:44:15 S 17 31 01.574 +21 10 01.45 V C57
2020-06-04 00:44:15 s 1 -111919.77 0 +366757.14 670.0 C57
2020-06-04 01:14:15 S 17 30 54.926 +21 08 54.74 V C57
2020-06-04 01:14:15 s 1 -112753.77 9 +366013.31 5080.0 C57
2020-06-04 01:44:15 S 17 30 48.259 +21 07 48.07 V C57
2020-06-04 01:44:15 s 1 -113585.08 3 +365261.16 8260.0 C57
2020-06-04 02:14:15 S 17 30 41.498 +21 06 41.65 V C57
2020-06-04 02:14:15 s 1 -114413.65 3 +364500.69 210.0 C57
2020-06-04 02:44:15 S 17 30 34.978 +21 05 36.06 V C57
2020-06-04 02:44:15 s 1 -115239.46 0 +363731.87 890.0 C57
2020-06-04 03:14:15 S 17 30 28.440 +21 04 30.22 V C57
2020-06-04 03:14:15 s 1 -116062.47 6 +362954.70 300.0 C57
2020-06-04 03:44:15 S 17 30 21.770 +21 03 23.90 V C57
2020-06-04 03:44:15 s 1 -116882.67 1 +362169.15 8410.0 C57
2020-06-04 04:14:15 S 17 30 15.348 +21 02 20.15 V C57
2020-06-04 04:14:15 s 1 -117700.01 5 +361375.22 5210.0 C57
2020-06-04 04:44:15 S 17 30 08.419 +21 01 11.42 V C57
2020-06-04 04:44:15 s 1 -118514.48 0 +360572.89 680.0 C57
2020-06-04 05:14:15 S 17 30 02.011 +21 00 05.80 V C57
2020-06-04 05:14:15 s 1 -119326.03 5 +359762.14 4800.0 C57
2020-06-04 05:44:15 S 17 29 55.315 +20 58 59.84 V C57
2020-06-04 05:44:15 s 1 -120134.64 9 +358942.95 7550.0 C57
2020-06-04 06:14:15 S 17 29 48.919 +20 57 55.37 V C57
2020-06-04 06:14:15 s 1 -120940.29 3 +358115.32 8920.0 C57
2020-06-04 06:44:15 S 17 29 42.250 +20 56 48.80 V C57