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
2019-07-10 12:45:15 C 21 59 09.563 -10 24 32.43 U F51
2019-07-10 13:01:08 C 21 59 09.097 -10 24 35.37 U F51
2019-07-10 13:16:59 C 21 59 08.631 -10 24 38.34 U F51
2019-07-25 11:19:52 C 21 46 13.490 -11 46 17.26 U F51
2019-07-25 11:50:32 C 21 46 12.125 -11 46 25.54 U F51
2019-07-25 12:05:52 C 21 46 11.445 -11 46 29.66 U F51
2019-07-29 12:19:22 C 21 41 50.108 -12 13 18.27 U F52
2019-07-29 12:54:46 C 21 41 48.394 -12 13 28.41 U F52
2019-07-29 13:12:25 C 21 41 47.553 -12 13 33.59 U F52
2019-08-22 08:37:55 C 21 10 41.44 -15 16 35.1 V G96
2019-08-22 08:46:07 C 21 10 40.96 -15 16 38.3 V G96
2019-08-22 08:54:18 C 21 10 40.48 -15 16 41.4 V G96
2019-08-22 09:02:32 C 21 10 39.98 -15 16 43.6 V G96
2019-08-28 08:58:38 C 21 02 18.974 -16 03 32.02 U F51
2019-08-28 09:14:07 C 21 02 18.069 -16 03 36.99 U F51
2019-09-03 07:21:03 C 20 54 18.174 -16 47 41.32 U F51
2019-09-03 07:39:41 C 20 54 17.129 -16 47 46.84 U F51
2019-09-03 07:58:19 C 20 54 16.086 -16 47 52.58 U F51
2019-09-03 08:16:57 C 20 54 15.042 -16 47 58.05 U F51
2019-09-18 06:06:33 C 20 36 38.899 -18 23 38.26 U F51
2019-09-18 06:22:18 C 20 36 38.217 -18 23 41.84 U F51
2019-09-18 06:38:02 C 20 36 37.535 -18 23 45.49 U F51
2019-09-18 06:53:48 C 20 36 36.849 -18 23 49.14 U F51
2019-09-25 06:48:01 C 20 30 09.961 -18 59 32.33 U F51
2019-09-25 07:05:25 C 20 30 09.339 -18 59 35.72 U F51
2019-09-25 07:22:45 C 20 30 08.731 -18 59 39.00 U F51
2019-09-25 07:40:04 C 20 30 08.117 -18 59 42.43 U F51
2019-09-30 06:03:13 C 20 26 26.035 -19 21 08.94 U F51
2019-09-30 06:18:58 C 20 26 25.566 -19 21 11.61 U F51
2019-09-30 06:34:42 C 20 26 25.102 -19 21 14.15 U F51
2019-09-30 06:50:26 C 20 26 24.655 -19 21 16.82 U F51
2020-05-02 11:12:45 C 23 31 50.28 +33 57 20.9 V 703
2020-05-02 11:18:28 C 23 31 47.82 +33 57 31.1 V 703
2020-05-02 11:24:10 C 23 31 45.18 +33 57 42.2 V 703
2020-05-02 11:29:53 C 23 31 42.66 +33 57 52.7 V 703
2020-05-05 14:19:21 C 22 56 26.37 +36 01 27.0 V T08
2020-05-05 14:33:31 C 22 56 19.24 +36 01 48.4 V T08
2020-05-05 14:48:24 C 22 56 11.68 +36 02 10.5 V T08
2020-05-05 14:58:29 C 22 56 06.59 +36 02 25.9 V T08
2020-05-06 13:20:50 C 22 44 42.80 +36 33 12.7 V T05
2020-05-06 13:25:30 C 22 44 40.38 +36 33 19.2 V T05
2020-05-06 13:36:06 C 22 44 34.85 +36 33 33.6 V T05
2020-05-12 23:03:18 C 21 18 17.17 +38 11 45.2 V L18
2020-05-12 23:03:49 C 21 18 16.84 +38 11 44.4 V L18
2020-05-12 23:04:20 C 21 18 16.59 +38 11 45.1 V L18
2020-05-12 23:04:50 C 21 18 16.35 +38 11 43.3 V L18
2020-05-13 12:30:42 C 21 10 20.98 +38 09 16.0 V T08
2020-05-13 12:47:21 C 21 10 11.06 +38 09 12.3 V T08
2020-05-13 12:57:51 C 21 10 04.78 +38 09 10.0 V T08
2020-05-13 13:06:29 C 21 09 59.63 +38 09 07.9 V T08