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
2020-09-29 13:04:11 s 1 -39001.827 0 +396987.81 7070.0 C57
2020-09-29 13:14:11 S 00 35 49.248 -05 28 15.46 V C57
2020-09-29 13:14:11 s 1 -39377.236 0 +396975.47 7630.0 C57
2020-09-29 13:24:11 S 00 35 48.223 -05 28 25.07 V C57
2020-09-29 13:24:11 s 1 -39752.564 0 +396962.23 8070.0 C57
2020-09-29 13:34:11 S 00 35 47.119 -05 28 26.69 V C57
2020-09-29 13:34:11 s 1 -40127.810 0 +396948.09 8380.0 C57
2020-09-29 13:44:11 S 00 35 46.109 -05 28 34.64 V C57
2020-09-29 13:44:11 s 1 -40502.971 0 +396933.05 8580.0 C57
2020-09-29 13:54:11 S 00 35 45.024 -05 28 36.95 V C57
2020-09-29 13:54:11 s 1 -40878.049 0 +396917.10 8650.0 C57
2020-09-29 14:04:11 S 00 35 43.889 -05 28 45.08 V C57
2020-09-29 14:04:11 s 1 -41253.041 0 +396900.25 8610.0 C57
2020-09-29 14:14:11 S 00 35 42.890 -05 28 52.54 V C57
2020-09-29 14:14:11 s 1 -41627.947 0 +396882.50 8430.0 C57
2020-09-29 14:24:11 S 00 35 41.726 -05 28 55.24 V C57
2020-09-29 14:24:11 s 1 -42002.766 0 +396863.85 8140.0 C57
2020-09-29 14:34:11 S 00 35 40.980 -05 29 02.26 V C57
2020-09-29 14:34:11 s 1 -42377.497 0 +396844.30 7720.0 C57
2020-09-29 14:44:11 S 00 35 39.768 -05 29 09.49 V C57
2020-09-29 14:44:11 s 1 -42752.140 0 +396823.85 7170.0 C57
2020-09-29 14:54:11 S 00 35 38.861 -05 29 15.68 V C57
2020-09-29 14:54:11 s 1 -43126.694 0 +396802.49 6500.0 C57
2020-09-29 15:04:11 S 00 35 37.822 -05 29 20.36 V C57
2020-09-29 15:04:11 s 1 -43501.158 0 +396780.23 5700.0 C57
2020-09-29 15:14:11 S 00 35 36.610 -05 29 25.15 V C57
2020-09-29 15:14:11 s 1 -43875.530 0 +396757.08 4780.0 C57
2020-09-29 15:24:11 S 00 35 35.458 -05 29 35.88 V C57
2020-09-29 15:24:11 s 1 -44249.811 0 +396733.02 3720.0 C57
2020-09-29 15:34:11 S 00 35 34.502 -05 29 39.59 V C57
2020-09-29 15:34:11 s 1 -44623.999 0 +396708.06 2540.0 C57
2020-09-29 15:44:11 S 00 35 33.346 -05 29 46.03 V C57
2020-09-29 15:44:11 s 1 -44998.094 0 +396682.20 1230.0 C57
2020-09-29 15:54:11 S 00 35 32.364 -05 29 51.61 V C57
2020-09-29 15:54:11 s 1 -45372.094 0 +396655.44 9800.0 C57
2020-09-29 16:04:11 S 00 35 31.195 -05 29 55.18 V C57
2020-09-29 16:04:11 s 1 -45746.000 0 +396627.78 8230.0 C57
2020-09-29 16:14:11 S 00 35 30.185 -05 30 01.73 V C57
2020-09-29 16:14:11 s 1 -46119.809 0 +396599.23 6530.0 C57
2020-09-29 16:24:11 S 00 35 29.321 -05 30 09.47 V C57
2020-09-29 16:24:11 s 1 -46493.522 0 +396569.77 4710.0 C57
2020-09-29 16:34:11 S 00 35 28.114 -05 30 16.96 V C57
2020-09-29 16:34:11 s 1 -46867.137 0 +396539.41 2750.0 C57
2020-09-29 16:44:11 S 00 35 27.211 -05 30 22.18 V C57
2020-09-29 16:44:11 s 1 -47240.654 0 +396508.15 660.0 C57
2020-09-29 16:54:11 S 00 35 25.908 -05 30 25.99 V C57
2020-09-29 16:54:11 s 1 -47614.072 0 +396475.99 8430.0 C57
2020-09-29 17:04:11 S 00 35 25.250 -05 30 32.22 V C57
2020-09-29 17:04:11 s 1 -47987.390 0 +396442.94 6080.0 C57
2020-09-29 17:14:11 S 00 35 23.923 -05 30 40.86 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)