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
2020-09-26 18:34:11 s 1 +107537.50 0 +325794.29 990.0 C57
2020-09-26 18:44:11 S 00 42 39.742 -04 49 26.18 V C57
2020-09-26 18:44:11 s 1 +107207.69 7 +326178.85 1230.0 C57
2020-09-26 19:14:11 S 00 42 36.766 -04 49 42.42 V C57
2020-09-26 19:14:11 s 1 +106216.00 7 +327325.62 1020.0 C57
2020-09-26 19:24:11 S 00 42 35.983 -04 49 46.67 V C57
2020-09-26 19:24:11 s 1 +105884.68 8 +327705.56 640.0 C57
2020-09-26 19:34:11 S 00 42 34.766 -04 49 53.00 V C57
2020-09-26 19:34:11 s 1 +105552.99 6 +328084.36 110.0 C57
2020-09-26 19:44:11 S 00 42 33.701 -04 49 58.58 V C57
2020-09-26 19:44:11 s 1 +105220.93 1 +328462.00 9430.0 C57
2020-09-26 19:54:11 S 00 42 32.928 -04 50 03.19 V C57
2020-09-26 19:54:11 s 1 +104888.49 7 +328838.50 8590.0 C57
2020-09-26 20:04:11 S 00 42 31.702 -04 50 10.07 V C57
2020-09-26 20:04:11 s 1 +104555.69 4 +329213.85 7600.0 C57
2020-09-26 20:14:11 S 00 42 30.545 -04 50 15.58 V C57
2020-09-26 20:14:11 s 1 +104222.52 5 +329588.05 6470.0 C57
2020-09-26 20:24:11 S 00 42 29.546 -04 50 22.16 V C57
2020-09-26 20:24:11 s 1 +103888.99 2 +329961.11 5180.0 C57
2020-09-26 20:34:11 S 00 42 28.620 -04 50 26.23 V C57
2020-09-26 20:34:11 s 1 +103555.09 7 +330333.02 3750.0 C57
2020-09-26 20:44:11 S 00 42 27.646 -04 50 33.90 V C57
2020-09-26 20:44:11 s 1 +103220.84 1 +330703.79 2180.0 C57
2020-09-26 21:14:11 S 00 42 24.828 -04 50 47.83 V C57
2020-09-26 21:14:11 s 1 +102215.93 0 +331809.26 6580.0 C57
2020-09-26 21:24:11 S 00 42 23.652 -04 50 56.72 V C57
2020-09-26 21:24:11 s 1 +101880.25 2 +332175.47 4430.0 C57
2020-09-26 21:34:11 S 00 42 22.591 -04 51 03.78 V C57
2020-09-26 21:34:11 s 1 +101544.22 4 +332540.55 2150.0 C57
2020-09-26 21:54:11 S 00 42 20.474 -04 51 12.31 V C57
2020-09-26 21:54:11 s 1 +100871.12 1 +333267.29 7150.0 C57
2020-09-26 22:04:11 S 00 42 19.632 -04 51 21.74 V C57
2020-09-26 22:04:11 s 1 +100534.05 1 +333628.96 4450.0 C57
2020-09-26 22:14:11 S 00 42 18.480 -04 51 22.97 V C57
2020-09-26 22:14:11 s 1 +100196.63 8 +333989.50 1600.0 C57
2020-09-26 22:34:11 S 00 42 16.788 -04 51 34.88 V C57
2020-09-26 22:34:11 s 1 +99520.788 0 +334707.19 5520.0 C57
2020-09-26 22:44:11 S 00 42 15.758 -04 51 40.57 V C57
2020-09-26 22:44:11 s 1 +99182.356 0 +335064.34 2280.0 C57
2020-09-26 22:54:11 S 00 42 14.746 -04 51 44.06 V C57
2020-09-26 22:54:11 s 1 +98843.588 0 +335420.37 8900.0 C57
2020-09-26 23:04:11 S 00 42 13.378 -04 51 54.18 V C57
2020-09-26 23:04:11 s 1 +98504.486 0 +335775.27 5390.0 C57
2020-09-26 23:14:11 S 00 42 12.427 -04 51 58.43 V C57
2020-09-26 23:14:11 s 1 +98165.051 0 +336129.04 1760.0 C57
2020-09-26 23:24:11 S 00 42 11.513 -04 52 01.09 V C57
2020-09-26 23:24:11 s 1 +97825.286 0 +336481.69 7990.0 C57
2020-09-26 23:34:11 S 00 42 10.584 -04 52 08.51 V C57
2020-09-26 23:34:11 s 1 +97485.192 0 +336833.21 4100.0 C57
2020-09-26 23:44:11 S 00 42 09.588 -04 52 14.77 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)