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
2020-09-27 22:04:11 s 1 +49220.456 0 +374409.46 870.0 C57
2020-09-27 22:14:11 S 00 39 52.106 -05 05 14.68 V C57
2020-09-27 22:14:11 s 1 +48849.889 0 +374617.40 4100.0 C57
2020-09-27 22:24:11 S 00 39 51.187 -05 05 18.96 V C57
2020-09-27 22:24:11 s 1 +48479.188 0 +374824.34 7330.0 C57
2020-09-27 22:34:11 S 00 39 49.872 -05 05 26.45 V C57
2020-09-27 22:34:11 s 1 +48108.354 0 +375030.28 590.0 C57
2020-09-27 22:44:11 S 00 39 49.097 -05 05 32.17 V C57
2020-09-27 22:44:11 s 1 +47737.387 0 +375235.23 3860.0 C57
2020-09-27 22:54:11 S 00 39 48.014 -05 05 37.57 V C57
2020-09-27 22:54:11 s 1 +47366.289 0 +375439.18 7140.0 C57
2020-09-27 23:04:11 S 00 39 46.939 -05 05 39.59 V C57
2020-09-27 23:04:11 s 1 +46995.062 0 +375642.13 440.0 C57
2020-09-27 23:14:11 S 00 39 46.032 -05 05 47.54 V C57
2020-09-27 23:14:11 s 1 +46623.705 0 +375844.08 3750.0 C57
2020-09-27 23:34:11 S 00 39 43.714 -05 06 00.65 V C57
2020-09-27 23:34:11 s 1 +45880.611 0 +376245.00 410.0 C57
2020-09-27 23:44:11 S 00 39 42.749 -05 06 06.34 V C57
2020-09-27 23:44:11 s 1 +45508.875 0 +376443.98 3760.0 C57
2020-09-27 23:54:11 S 00 39 41.746 -05 06 09.47 V C57
2020-09-27 23:54:11 s 1 +45137.014 0 +376641.95 7110.0 C57
2020-09-28 00:04:11 S 00 39 40.728 -05 06 19.94 V C57
2020-09-28 00:04:11 s 1 +44765.031 0 +376838.94 480.0 C57
2020-09-28 00:14:11 S 00 39 39.785 -05 06 22.79 V C57
2020-09-28 00:14:11 s 1 +44392.925 0 +377034.93 3860.0 C57
2020-09-28 00:24:11 S 00 39 38.808 -05 06 28.15 V C57
2020-09-28 00:24:11 s 1 +44020.698 0 +377229.93 7240.0 C57
2020-09-28 00:34:11 S 00 39 37.661 -05 06 35.60 V C57
2020-09-28 00:34:11 s 1 +43648.351 0 +377423.94 630.0 C57
2020-09-28 00:44:11 S 00 39 36.718 -05 06 41.26 V C57
2020-09-28 00:44:11 s 1 +43275.886 0 +377616.96 4030.0 C57
2020-09-28 00:54:11 S 00 39 35.779 -05 06 44.64 V C57
2020-09-28 00:54:11 s 1 +42903.303 0 +377808.99 7440.0 C57
2020-09-28 01:04:11 S 00 39 34.759 -05 06 51.34 V C57
2020-09-28 01:04:11 s 1 +42530.603 0 +378000.03 850.0 C57
2020-09-28 01:14:11 S 00 39 33.598 -05 06 56.38 V C57
2020-09-28 01:14:11 s 1 +42157.787 0 +378190.08 4270.0 C57
2020-09-28 01:24:11 S 00 39 32.597 -05 07 02.46 V C57
2020-09-28 01:24:11 s 1 +41784.857 0 +378379.15 7690.0 C57
2020-09-28 01:34:11 S 00 39 31.536 -05 07 12.00 V C57
2020-09-28 01:34:11 s 1 +41411.814 0 +378567.23 1120.0 C57
2020-09-28 01:44:11 S 00 39 30.650 -05 07 13.73 V C57
2020-09-28 01:44:11 s 1 +41038.659 0 +378754.32 4540.0 C57
2020-09-28 01:54:11 S 00 39 29.614 -05 07 20.50 V C57
2020-09-28 01:54:11 s 1 +40665.392 0 +378940.42 7980.0 C57
2020-09-28 02:04:11 S 00 39 28.529 -05 07 25.57 V C57
2020-09-28 02:04:11 s 1 +40292.015 0 +379125.54 1410.0 C57
2020-09-28 02:14:11 S 00 39 27.446 -05 07 33.10 V C57
2020-09-28 02:14:11 s 1 +39918.529 0 +379309.68 4840.0 C57
2020-09-28 02:24:11 S 00 39 26.484 -05 07 40.94 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)