2021 LY

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4473427689 ± 1.10e-03
Semi-major axis (a)2.1668278936 AU ± 4.84e-03
Inclination (i)8.95716179° ± 1.57e-02
Long. of Asc. Node (Ω)98.37314204° ± 3.27e-03
Arg. of Perihelion (ω)169.04798651° ± 1.36e-02
Mean Anomaly (M)139.50072686° ± 1.69e+00
Mean Motion (n)0.3090122169°/day ± 1.03e-03
Perihelion dist (q)1.19751310 AU ± 3.59e-03
Aphelion dist (Q)3.13614268 AU ± 7.40e-03
Orbital Period3.18960297 yr ± 1.07e-02
Physical Parameters
H (abs. magnitude)23.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.264″
Uncertainty4
Orbit TypeAmor
MOID0.181971 AU
Observations Used23
Oppositions1
Arc Total2021-2021
First Observation Used2021-06-02
Last Observation Used2021-06-12
Observations (23)
Date Type RA Dec Mag Band Observatory
2021-06-02 08:47:31 C 17 03 13.739 +00 47 49.73 U F51
2021-06-02 09:04:26 C 17 03 14.663 +00 47 26.82 V F51
2021-06-02 09:21:24 C 17 03 15.580 +00 47 03.47 V F51
2021-06-02 09:38:31 C 17 03 16.497 +00 46 39.98 U F51
2021-06-02 12:30:57 C 17 03 25.744 +00 42 42.75 V F51
2021-06-02 12:31:53 C 17 03 25.795 +00 42 41.36 V F51
2021-06-02 12:33:14 C 17 03 25.868 +00 42 39.64 V F51
2021-06-02 12:34:09 C 17 03 25.920 +00 42 38.25 V F51
2021-06-03 06:47:02 C 17 04 38.88 +00 16 56.5 V V06
2021-06-03 06:53:37 C 17 04 39.23 +00 16 46.9 V V06
2021-06-03 07:06:48 C 17 04 39.95 +00 16 27.8 V V06
2021-06-03 13:12:55 C 17 05 02.015 +00 07 50.09 V 568
2021-06-03 13:14:22 C 17 05 02.095 +00 07 48.01 V 568
2021-06-03 13:15:47 C 17 05 02.177 +00 07 45.97 V 568
2021-06-04 06:44:05 C 17 06 12.93 -00 18 06.7 u H21
2021-06-04 06:53:09 C 17 06 13.45 -00 18 20.1 u H21
2021-06-04 06:56:04 C 17 06 13.64 -00 18 24.5 u H21
2021-06-05 05:14:04 C 17 07 44.33 -00 52 24.4 u H21
2021-06-05 05:25:21 C 17 07 44.99 -00 52 41.6 u H21
2021-06-12 05:46:40 C 17 19 52.69 -05 51 07.9 V I52
2021-06-12 05:50:54 C 17 19 53.00 -05 51 16.7 V I52
2021-06-12 05:55:08 C 17 19 53.28 -05 51 24.7 V I52
2021-06-12 05:59:22 C 17 19 53.44 -05 51 33.3 V I52