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
2020-10-03 08:04:11 s 1 -206091.24 0 +254828.49 4250.0 C57
2020-10-03 08:14:11 S 00 26 02.460 -06 24 27.86 V C57
2020-10-03 08:14:11 s 1 -206264.17 5 +254306.13 300.0 C57
2020-10-03 08:24:11 S 00 26 01.322 -06 24 35.68 V C57
2020-10-03 08:24:11 s 1 -206436.27 9 +253782.73 5730.0 C57
2020-10-03 08:34:11 S 00 26 00.324 -06 24 39.64 V C57
2020-10-03 08:34:11 s 1 -206607.54 6 +253258.28 520.0 C57
2020-10-03 08:44:11 S 00 25 59.088 -06 24 45.32 V C57
2020-10-03 08:44:11 s 1 -206777.97 6 +252732.78 4680.0 C57
2020-10-03 08:54:11 S 00 25 58.010 -06 24 51.95 V C57
2020-10-03 08:54:11 s 1 -206947.56 4 +252206.23 8200.0 C57
2020-10-03 09:04:11 S 00 25 56.854 -06 25 00.91 V C57
2020-10-03 09:04:11 s 1 -207116.30 7 +251678.64 1090.0 C57
2020-10-03 09:14:11 S 00 25 55.877 -06 25 07.57 V C57
2020-10-03 09:14:11 s 1 -207284.20 3 +251150.00 3330.0 C57
2020-10-03 09:24:11 S 00 25 54.595 -06 25 12.79 V C57
2020-10-03 09:24:11 s 1 -207451.24 9 +250620.30 4930.0 C57
2020-10-03 09:34:11 S 00 25 53.585 -06 25 17.18 V C57
2020-10-03 09:34:11 s 1 -207617.44 1 +250089.55 5890.0 C57
2020-10-03 09:44:11 S 00 25 52.584 -06 25 26.11 V C57
2020-10-03 09:44:11 s 1 -207782.77 6 +249557.76 6210.0 C57
2020-10-03 09:54:11 S 00 25 51.415 -06 25 30.97 V C57
2020-10-03 09:54:11 s 1 -207947.25 1 +249024.91 5870.0 C57
2020-10-03 10:04:11 S 00 25 50.321 -06 25 39.36 V C57
2020-10-03 10:04:11 s 1 -208110.86 3 +248491.00 4880.0 C57
2020-10-03 10:14:11 S 00 25 49.154 -06 25 46.70 V C57
2020-10-03 10:14:11 s 1 -208273.61 0 +247956.05 3250.0 C57
2020-10-03 10:24:11 S 00 25 48.223 -06 25 53.87 V C57
2020-10-03 10:24:11 s 1 -208435.48 7 +247420.03 950.0 C57
2020-10-03 10:34:11 S 00 25 46.954 -06 25 58.12 V C57
2020-10-03 10:34:11 s 1 -208596.49 1 +246882.97 8000.0 C57
2020-10-03 10:54:11 S 00 25 44.705 -06 26 12.05 V C57
2020-10-03 10:54:11 s 1 -208915.87 0 +245805.66 130.0 C57
2020-10-03 11:14:11 S 00 25 42.175 -06 26 28.07 V C57
2020-10-03 11:14:11 s 1 -209231.72 0 +244724.13 9600.0 C57
2020-10-03 11:24:11 S 00 25 41.405 -06 26 30.41 V C57
2020-10-03 11:24:11 s 1 -209388.31 5 +244181.78 3340.0 C57
2020-10-03 11:34:11 S 00 25 40.248 -06 26 38.62 V C57
2020-10-03 11:34:11 s 1 -209544.01 7 +243638.37 6410.0 C57
2020-10-03 11:44:11 S 00 25 39.418 -06 26 42.43 V C57
2020-10-03 11:44:11 s 1 -209698.82 4 +243093.89 8810.0 C57
2020-10-03 11:54:11 S 00 25 38.230 -06 26 49.92 V C57
2020-10-03 11:54:11 s 1 -209852.73 3 +242548.36 540.0 C57
2020-10-03 12:04:11 S 00 25 37.154 -06 26 56.22 V C57
2020-10-03 12:04:11 s 1 -210005.74 0 +242001.77 1590.0 C57
2020-10-03 12:14:11 S 00 25 35.842 -06 27 04.03 V C57
2020-10-03 12:14:11 s 1 -210157.84 2 +241454.11 1960.0 C57
2020-10-03 12:34:11 S 00 25 33.698 -06 27 15.08 V C57
2020-10-03 12:34:11 s 1 -210459.31 7 +240355.60 670.0 C57
2020-10-03 12:44:11 S 00 25 32.628 -06 27 23.18 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)