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
1999-04-09 05:25:09 C 12 54 14.36 +42 46 13.4 18.0 a 704
1999-04-09 05:52:36 C 12 53 33.32 +42 58 19.8 a 704
1999-04-09 06:20:02 C 12 52 51.40 +43 10 26.1 a 704
1999-04-09 06:47:19 C 12 52 09.09 +43 22 30.2 a 704
1999-04-09 07:14:38 C 12 51 26.06 +43 34 37.5 a 704
2000-03-11 06:46:48 c 13 22 52.87 +11 27 50.3 d 703
2000-03-11 07:09:40 c 13 22 51.68 +11 28 09.4 d 703
2000-03-11 07:32:30 c 13 22 50.54 +11 28 28.0 d 703
2000-03-11 07:55:23 c 13 22 49.40 +11 28 46.6 d 703
2000-03-11 21:27:01 C 13 22 16.73 +11 39 31.9 c 046
2000-03-11 21:28:43 C 13 22 16.63 +11 39 33.6 c 046
2000-03-11 21:30:23 C 13 22 16.57 +11 39 34.7 c 046
2000-03-11 21:32:03 C 13 22 16.50 +11 39 36.1 c 046
2000-03-11 21:33:42 C 13 22 16.39 +11 39 37.4 c 046
2000-03-11 21:35:25 C 13 22 16.31 +11 39 38.6 c 046
2000-03-12 06:42:21 C 13 21 52.13 +11 47 27.1 d 858
2000-03-12 06:49:20 C 13 21 51.74 +11 47 34.1 d 858
2000-03-12 06:56:19 C 13 21 51.39 +11 47 39.4 d 858
2000-03-12 10:42:56 C 13 21 38.89 +11 50 53.8 i 670
2000-03-12 10:45:42 C 13 21 38.73 +11 50 56.0 i 670
2000-03-12 21:43:19 C 13 21 10.15 +12 00 07.4 m 163
2000-03-12 21:49:19 C 13 21 09.90 +12 00 12.5 m 163
2000-03-12 21:56:19 C 13 21 09.44 +12 00 19.8 m 163
2000-03-12 22:00:33 C 13 21 09.22 +12 00 23.0 m 163
2000-03-13 14:54:36 C 13 20 17.18 +12 15 38.6 c 345
2000-03-13 15:27:31 C 13 20 15.05 +12 16 09.1 c 345
2000-03-13 17:40:22 C 13 20 05.16 +12 19 09.9 413
2000-03-13 20:03:55 C 13 20 01.13 +12 20 05.1 c 046
2000-03-13 20:05:44 C 13 20 01.04 +12 20 08.7 c 046
2000-03-13 20:07:22 C 13 20 00.93 +12 20 09.5 c 046
2000-03-13 20:14:27 C 13 20 00.57 +12 20 16.8 c 046
2000-03-13 20:16:12 C 13 20 00.44 +12 20 18.3 c 046
2000-03-13 20:17:57 C 13 20 00.30 +12 20 19.8 c 046
2000-03-13 20:20:00 C 13 20 00.21 +12 20 22.0 c 046
2000-03-13 20:21:39 C 13 20 00.11 +12 20 23.8 c 046
2000-03-13 22:06:56 C 13 19 53.48 +12 22 04.0 18.1 461
2000-03-13 22:09:04 C 13 19 53.32 +12 22 06.3 461
2000-03-13 22:10:55 C 13 19 53.22 +12 22 08.3 461
2000-03-13 22:12:46 C 13 19 53.08 +12 22 09.8 461
2000-03-13 22:35:31 C 13 19 52.01 +12 22 30.8 587
2000-03-13 22:43:32 C 13 19 51.54 +12 22 38.6 587
2000-03-13 22:53:10 C 13 19 50.95 +12 22 48.6 587
2000-03-14 04:57:00 C 13 19 30.84 +12 28 35.6 i 850
2000-03-14 05:21:00 C 13 19 29.19 +12 28 59.8 i 850
2000-03-14 06:02:59 C 13 19 26.28 +12 29 38.9 i 850
2000-03-14 06:20:59 C 13 19 25.06 +12 29 56.7 i 850
2000-03-14 16:20:55 C 13 18 48.82 +12 39 28.4 z 402
2000-03-14 16:22:37 C 13 18 48.70 +12 39 30.3 z 402
2000-03-14 16:24:20 C 13 18 48.59 +12 39 31.9 z 402
2000-03-14 16:26:02 C 13 18 48.45 +12 39 33.5 z 402
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)