2012 LL9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7312884538 ± 2.87e-08
Semi-major axis (a)2.7128081981 AU ± 7.13e-09
Inclination (i)35.15326206° ± 1.12e-05
Long. of Asc. Node (Ω)129.42918397° ± 2.76e-05
Arg. of Perihelion (ω)205.88741851° ± 2.34e-05
Mean Anomaly (M)348.59137484° ± 3.55e-06
Mean Motion (n)0.2205888936°/day ± 8.69e-10
Perihelion dist (q)0.72896289 AU ± 7.79e-08
Aphelion dist (Q)4.69665351 AU ± 7.88e-08
Orbital Period4.46815915 yr ± 1.76e-08
Physical Parameters
H (abs. magnitude)18.72
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.285″
Uncertainty0
Orbit TypeApollo
MOID0.242258 AU
Observations Used152
Oppositions7
Arc Total2012-2021
First Observation Used2012-06-13
Last Observation Used2021-06-13
Observations (162)
Date Type RA Dec Mag Band Observatory
2021-05-29 10:18:41 S 19 46 54.394 +58 29 11.80 L C51
2021-05-29 13:27:00 S 19 47 33.288 +58 34 06.96 L C51
2021-05-29 19:43:27 S 19 48 52.135 +58 43 57.25 L C51
2021-05-29 22:51:46 S 19 49 31.990 +58 48 53.17 L C51
2021-06-02 00:23:43 C 20 06 51.12 +60 45 22.0 V A17
2021-06-02 00:39:56 C 20 06 55.29 +60 45 48.0 V A17
2021-06-11 06:49:05 C 21 30 56.74 +66 16 45.9 V H36
2021-06-11 07:18:07 C 21 31 11.94 +66 17 22.8 V H36
2021-06-11 07:29:04 C 21 31 17.85 +66 17 36.9 V H36
2021-06-12 23:50:59 C 21 54 26.73 +67 02 00.8 V A17
2021-06-13 00:04:18 C 21 54 34.79 +67 02 14.2 V A17
2021-06-13 00:20:00 C 21 54 44.30 +67 02 30.3 V A17