69230 Hermes (1937 UB)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6239175999 ± 2.00e+00
Semi-major axis (a)1.6550671635 AU ± 3.00e+00
Inclination (i)6.06733172° ± 4.00e+00
Long. of Asc. Node (Ω)34.04621202° ± 5.00e+00
Arg. of Perihelion (ω)92.91320308° ± 6.00e+00
Mean Anomaly (M)104.55554509° ± 5.97e-06
Mean Motion (n)0.4629017713°/day ± 1.26e+00
Perihelion dist (q)0.62244163 AU ± 3.50e+00
Aphelion dist (Q)2.68769270 AU ± 5.89e+00
Orbital Period2.12923420 yr ± 5.79e+00
NGA Modelr2
A22.15662232e-06 AU/d²
Physical Parameters
H (abs. magnitude)17.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.557″
Uncertainty0
Orbit TypeApollo
MOID0.004682 AU
Observations Used2722
Oppositions47
Arc Total1937-2025
First Observation Used2000-09-16
Last Observation Used2025-06-30
Observations (4098)
Date Type RA Dec Mag Band Observatory
2020-09-25 18:24:11 s 1 +150055.81 9 +257041.30 2610.0 C57
2020-09-25 18:44:11 S 00 45 04.042 -04 35 51.65 V C57
2020-09-25 18:44:11 s 1 +149561.07 9 +258176.36 8600.0 C57
2020-09-25 18:54:11 S 00 45 03.007 -04 36 03.64 V C57
2020-09-25 18:54:11 s 1 +149312.49 6 +258741.80 6000.0 C57
2020-09-25 19:04:11 S 00 45 02.246 -04 36 04.39 V C57
2020-09-25 19:04:11 s 1 +149063.11 0 +259305.85 3020.0 C57
2020-09-25 19:14:11 S 00 45 00.943 -04 36 10.58 V C57
2020-09-25 19:14:11 s 1 +148812.92 6 +259868.51 9650.0 C57
2020-09-25 19:24:11 S 00 44 59.784 -04 36 13.72 V C57
2020-09-25 19:24:11 s 1 +148561.94 6 +260429.79 5890.0 C57
2020-09-25 19:34:11 S 00 44 59.136 -04 36 21.89 V C57
2020-09-25 19:34:11 s 1 +148310.17 7 +260989.68 1760.0 C57
2020-09-25 19:44:11 S 00 44 58.010 -04 36 27.22 V C57
2020-09-25 19:44:11 s 1 +148057.62 1 +261548.19 7250.0 C57
2020-09-25 19:54:11 S 00 44 57.182 -04 36 35.28 V C57
2020-09-25 19:54:11 s 1 +147804.28 3 +262105.32 2360.0 C57
2020-09-25 20:04:11 S 00 44 56.088 -04 36 39.28 V C57
2020-09-25 20:04:11 s 1 +147550.16 7 +262661.07 7090.0 C57
2020-09-25 20:14:11 S 00 44 55.034 -04 36 46.04 V C57
2020-09-25 20:14:11 s 1 +147295.27 7 +263215.45 1450.0 C57
2020-09-25 20:24:11 S 00 44 54.166 -04 36 51.08 V C57
2020-09-25 20:24:11 s 1 +147039.61 7 +263768.45 5450.0 C57
2020-09-25 20:34:11 S 00 44 53.016 -04 36 59.44 V C57
2020-09-25 20:34:11 s 1 +146783.19 2 +264320.08 9070.0 C57
2020-09-25 20:44:11 S 00 44 52.066 -04 36 59.15 V C57
2020-09-25 20:44:11 s 1 +146526.00 5 +264870.34 2330.0 C57
2020-09-25 20:54:11 S 00 44 51.242 -04 37 05.34 V C57
2020-09-25 20:54:11 s 1 +146268.06 0 +265419.23 5230.0 C57
2020-09-25 21:04:11 S 00 44 50.054 -04 37 11.89 V C57
2020-09-25 21:04:11 s 1 +146009.36 2 +265966.76 7760.0 C57
2020-09-25 21:14:11 S 00 44 49.128 -04 37 17.94 V C57
2020-09-25 21:14:11 s 1 +145749.91 4 +266512.92 9940.0 C57
2020-09-25 21:24:11 S 00 44 48.175 -04 37 23.84 V C57
2020-09-25 21:24:11 s 1 +145489.72 0 +267057.72 1760.0 C57
2020-09-25 21:34:11 S 00 44 46.862 -04 37 28.74 V C57
2020-09-25 21:34:11 s 1 +145228.78 4 +267601.16 3220.0 C57
2020-09-25 21:44:11 S 00 44 46.082 -04 37 34.28 V C57
2020-09-25 21:44:11 s 1 +144967.11 0 +268143.24 4330.0 C57
2020-09-25 21:54:11 S 00 44 45.338 -04 37 42.78 V C57
2020-09-25 21:54:11 s 1 +144704.70 1 +268683.96 5090.0 C57
2020-09-25 22:04:11 S 00 44 44.009 -04 37 45.91 V C57
2020-09-25 22:04:11 s 1 +144441.56 3 +269223.33 5510.0 C57
2020-09-25 22:14:11 S 00 44 42.838 -04 37 52.00 V C57
2020-09-25 22:14:11 s 1 +144177.69 7 +269761.35 5570.0 C57
2020-09-25 22:24:11 S 00 44 42.079 -04 37 57.29 V C57
2020-09-25 22:24:11 s 1 +143913.10 9 +270298.02 5290.0 C57
2020-09-25 22:34:11 S 00 44 41.172 -04 38 05.03 V C57
2020-09-25 22:34:11 s 1 +143647.80 3 +270833.34 4670.0 C57
2020-09-25 22:44:11 S 00 44 40.054 -04 38 05.46 V C57
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2003-10-18 04:00:00 279933.18 0.75 Hz 2380 -1 -1
2003-10-18 04:50:00 176527379.2 2 us 2380 -1 -1
2003-10-26 03:00:00 100887889.8 1 us 2380 -1 -1
2003-11-04 00:40:00 39871.89 2 Hz 8560 -14 -14
2003-11-08 19:00:00 -646081.37 1.5 Hz 8560 -14 -14
2003-11-08 20:40:00 65849141.496 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)