2015 LR21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5679933000
Semi-major axis (a)1.9047742000 AU
Inclination (i)1.88697000°
Long. of Asc. Node (Ω)86.31901000°
Arg. of Perihelion (ω)243.38080000°
Mean Anomaly (M)331.12493000°
Mean Motion (n)0.3749202000°/day
Perihelion dist (q)0.82287520 AU
Aphelion dist (Q)2.98667320 AU
Orbital Period2.62884660 yr
Physical Parameters
H (abs. magnitude)26.60
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.450″
Uncertainty2
Orbit TypeApollo
MOID0.000934 AU
Observations Used52
Radar Obs Used2
Oppositions1
Arc Total
First Observation Used
Last Observation Used2015-06-20
Observations (52)
Date Type RA Dec Mag Band Observatory
2015-06-20 03:52:25 C 11 04 35.51 -03 32 07.5 o 926
2015-06-20 03:53:54 C 11 04 18.99 -03 30 51.6 o 926
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-06-20 19:37:00 -123462.7531 4 Hz 2380 -1 -1
2015-06-20 19:48:00 7879697.18 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)