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
2020-09-30 20:14:11 s 1 -106885.49 0 +379092.73 1660.0 C57
2020-09-30 20:24:11 S 00 32 31.020 -05 47 05.78 V C57
2020-09-30 20:24:11 s 1 -107230.94 6 +378912.94 9600.0 C57
2020-09-30 20:34:11 S 00 32 29.933 -05 47 14.46 V C57
2020-09-30 20:34:11 s 1 -107576.15 9 +378732.26 7310.0 C57
2020-09-30 20:44:11 S 00 32 28.714 -05 47 22.52 V C57
2020-09-30 20:44:11 s 1 -107921.12 8 +378550.68 4780.0 C57
2020-09-30 20:54:11 S 00 32 27.761 -05 47 25.22 V C57
2020-09-30 20:54:11 s 1 -108265.85 1 +378368.20 2020.0 C57
2020-09-30 21:04:11 S 00 32 26.731 -05 47 30.52 V C57
2020-09-30 21:04:11 s 1 -108610.32 8 +378184.82 9020.0 C57
2020-09-30 21:14:11 S 00 32 25.810 -05 47 39.59 V C57
2020-09-30 21:14:11 s 1 -108954.55 8 +378000.55 5790.0 C57
2020-09-30 21:24:11 S 00 32 24.578 -05 47 45.85 V C57
2020-09-30 21:24:11 s 1 -109298.53 9 +377815.37 2320.0 C57
2020-09-30 21:34:11 S 00 32 23.520 -05 47 52.91 V C57
2020-09-30 21:34:11 s 1 -109642.27 1 +377629.30 8620.0 C57
2020-09-30 21:44:11 S 00 32 22.231 -05 47 56.80 V C57
2020-09-30 21:44:11 s 1 -109985.75 3 +377442.33 4680.0 C57
2020-09-30 21:54:11 S 00 32 21.482 -05 48 04.68 V C57
2020-09-30 21:54:11 s 1 -110328.98 4 +377254.46 500.0 C57
2020-09-30 22:04:11 S 00 32 20.237 -05 48 07.99 V C57
2020-09-30 22:04:11 s 1 -110671.96 2 +377065.69 6080.0 C57
2020-09-30 22:14:11 S 00 32 19.090 -05 48 15.08 V C57
2020-09-30 22:14:11 s 1 -111014.68 8 +376876.02 1430.0 C57
2020-09-30 22:24:11 S 00 32 18.271 -05 48 22.54 V C57
2020-09-30 22:24:11 s 1 -111357.15 9 +376685.46 6530.0 C57
2020-09-30 22:34:11 S 00 32 16.898 -05 48 29.48 V C57
2020-09-30 22:34:11 s 1 -111699.37 5 +376493.99 1390.0 C57
2020-09-30 22:54:11 S 00 32 14.923 -05 48 39.46 V C57
2020-09-30 22:54:11 s 1 -112383.03 9 +376108.36 400.0 C57
2020-09-30 23:04:11 S 00 32 13.879 -05 48 45.11 V C57
2020-09-30 23:04:11 s 1 -112724.48 4 +375914.20 4530.0 C57
2020-09-30 23:14:11 S 00 32 12.742 -05 48 52.02 V C57
2020-09-30 23:14:11 s 1 -113065.67 0 +375719.14 8430.0 C57
2020-09-30 23:24:11 S 00 32 11.566 -05 48 59.90 V C57
2020-09-30 23:24:11 s 1 -113406.59 6 +375523.18 2080.0 C57
2020-09-30 23:34:11 S 00 32 10.654 -05 49 03.86 V C57
2020-09-30 23:34:11 s 1 -113747.26 1 +375326.31 5480.0 C57
2020-09-30 23:44:11 S 00 32 09.646 -05 49 11.24 V C57
2020-09-30 23:44:11 s 1 -114087.66 4 +375128.55 8640.0 C57
2020-09-30 23:54:11 S 00 32 08.381 -05 49 17.40 V C57
2020-09-30 23:54:11 s 1 -114427.80 5 +374929.89 1560.0 C57
2020-10-01 00:04:11 S 00 32 07.483 -05 49 20.53 V C57
2020-10-01 00:04:11 s 1 -114767.68 1 +374730.32 4230.0 C57
2020-10-01 00:14:11 S 00 32 06.223 -05 49 27.88 V C57
2020-10-01 00:14:11 s 1 -115107.29 2 +374529.86 6650.0 C57
2020-10-01 00:24:11 S 00 32 05.196 -05 49 36.66 V C57
2020-10-01 00:24:11 s 1 -115446.63 8 +374328.49 8820.0 C57
2020-10-01 00:34:11 S 00 32 04.250 -05 49 39.07 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)