138175 (2000 EE104)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2932943318 ± 2.59e-02
Semi-major axis (a)1.0035962147 AU ± 1.19e+00
Inclination (i)5.23411808° ± 4.98e-01
Long. of Asc. Node (Ω)25.46837950° ± 1.73e+00
Arg. of Perihelion (ω)280.81830042° ± 7.55e+00
Mean Anomaly (M)84.76330800° ± 1.72e+01
Mean Motion (n)0.9803332982°/day ± 1.74e+00
Perihelion dist (q)0.70924713 AU ± 8.40e-01
Aphelion dist (Q)1.29794530 AU ± 1.54e+00
Orbital Period1.00539917 yr ± 1.79e+00
NGA Modelr2
A2-1.00579397e-05 AU/d²
Physical Parameters
H (abs. magnitude)20.49
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.473″
Uncertainty0
Orbit TypeApollo
MOID0.009064 AU
Observations Used1538
Oppositions1
Arc Total1999-2026
First Observation Used1999-04-09
Last Observation Used2026-01-13
Observations (1651)
Date Type RA Dec Mag Band Observatory
2026-01-13 07:58:14 C 03 58 41.642 +38 39 08.59 X F51
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2000-04-09 00:01:00 42384.24 0.3 Hz 2380 -1 -1
2000-04-10 00:08:00 27375.65 0.3 Hz 2380 -1 -1
2000-04-10 23:40:00 12758.82 0.3 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)