2021 LL2

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7139859253 ± 5.46e-08
Semi-major axis (a)1.7269690168 AU ± 5.36e-08
Inclination (i)3.11365258° ± 5.21e-06
Long. of Asc. Node (Ω)225.41063135° ± 1.15e-04
Arg. of Perihelion (ω)159.68993682° ± 1.16e-04
Mean Anomaly (M)318.16655539° ± 3.10e-05
Mean Motion (n)0.4342956277°/day ± 2.02e-08
Perihelion dist (q)0.49393745 AU ± 9.55e-08
Aphelion dist (Q)2.96000059 AU ± 1.32e-07
Orbital Period2.26948240 yr ± 1.06e-07
Physical Parameters
H (abs. magnitude)21.58
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.223″
Uncertainty0
Orbit TypeApollo
MOID0.045855 AU
Observations Used59
Oppositions5
Arc Total2015-2024
First Observation Used2015-01-22
Last Observation Used2024-02-15
Observations (69)
Date Type RA Dec Mag Band Observatory
2021-06-21 13:17:46 C 23 12 43.630 +11 29 35.04 U F51
2021-06-21 13:53:24 C 23 13 08.667 +11 33 06.54 U F51
2021-06-21 14:11:15 C 23 13 21.218 +11 34 52.36 U F51
2021-06-22 09:19:53 C 23 27 28.95 +13 29 07.9 V I52
2021-06-22 09:23:33 C 23 27 31.74 +13 29 29.6 V I52
2021-06-22 09:27:14 C 23 27 34.53 +13 29 52.3 V I52
2023-05-14 11:54:51 C 15 19 38.118 -17 38 19.09 V T14
2023-05-14 12:01:36 C 15 19 37.596 -17 38 16.91 V T14
2023-05-14 12:08:21 C 15 19 37.079 -17 38 14.60 V T14
2023-05-15 10:57:44 C 15 17 53.414 -17 30 36.73 V T14
2023-05-15 11:05:06 C 15 17 52.849 -17 30 34.31 V T14
2023-05-15 11:11:50 C 15 17 52.323 -17 30 32.08 V T14
2024-02-08 12:34:13 C 11 10 41.130 -04 38 38.76 X F52
2024-02-08 12:51:57 C 11 10 38.300 -04 38 19.01 X F52
2024-02-08 13:09:45 C 11 10 35.429 -04 37 58.95 X F52
2024-02-08 13:27:32 C 11 10 32.587 -04 37 38.89 X F52
2024-02-15 09:50:34 C 10 46 21.083 -01 36 24.80 X F51
2024-02-15 10:07:19 C 10 46 18.720 -01 36 06.99 X F51
2024-02-15 10:24:04 C 10 46 16.319 -01 35 49.28 X F51