2021 LL15

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3446509280 ± 3.85e-04
Semi-major axis (a)0.9726346662 AU ± 1.20e-04
Inclination (i)3.98541013° ± 5.12e-03
Long. of Asc. Node (Ω)245.05920321° ± 8.91e-03
Arg. of Perihelion (ω)244.17825369° ± 1.79e-02
Mean Anomaly (M)320.97341819° ± 3.65e-01
Mean Motion (n)1.0275137908°/day ± 1.90e-04
Perihelion dist (q)0.63741523 AU ± 3.83e-04
Aphelion dist (Q)1.30785411 AU ± 4.08e-04
Orbital Period0.95923412 yr ± 1.77e-04
Physical Parameters
H (abs. magnitude)26.47
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.192″
Uncertainty3
Orbit TypeAten
MOID0.001035 AU
Observations Used13
Oppositions1
Arc Total2021-2021
First Observation Used2021-06-13
Last Observation Used2021-06-18
Observations (13)
Date Type RA Dec Mag Band Observatory
2021-06-13 06:53:06 C 15 14 09.940 -07 08 00.20 U F51
2021-06-13 07:11:49 C 15 14 10.844 -07 08 08.10 U F51
2021-06-13 07:49:18 C 15 14 12.639 -07 08 23.54 U F51
2021-06-13 10:54:12 C 15 14 21.653 -07 09 34.87 V F51
2021-06-13 10:55:22 C 15 14 21.686 -07 09 35.31 V F51
2021-06-13 10:56:33 C 15 14 21.772 -07 09 35.61 V F51
2021-06-13 23:45:50 C 15 15 21.32 -07 13 28.2 V 807
2021-06-14 00:09:45 C 15 15 22.52 -07 13 37.5 V 807
2021-06-14 00:33:40 C 15 15 23.70 -07 13 47.5 V 807
2021-06-14 00:57:35 C 15 15 24.87 -07 13 56.6 V 807
2021-06-18 06:26:30 C 15 21 26.478 -07 50 59.89 V 568
2021-06-18 06:28:45 C 15 21 26.566 -07 51 00.62 V 568
2021-06-18 06:31:01 C 15 21 26.644 -07 51 01.46 V 568