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
2020-09-28 06:44:11 s 1 +29797.037 0 +383911.44 5730.0 C57
2020-09-28 06:54:11 S 00 38 58.656 -05 10 16.79 V C57
2020-09-28 06:54:11 s 1 +29420.923 0 +384068.25 8950.0 C57
2020-09-28 07:04:11 S 00 38 57.439 -05 10 20.82 V C57
2020-09-28 07:04:11 s 1 +29044.731 0 +384224.10 2140.0 C57
2020-09-28 07:14:11 S 00 38 56.515 -05 10 29.32 V C57
2020-09-28 07:14:11 s 1 +28668.460 0 +384378.97 5320.0 C57
2020-09-28 07:24:11 S 00 38 55.663 -05 10 33.64 V C57
2020-09-28 07:24:11 s 1 +28292.112 0 +384532.89 8480.0 C57
2020-09-28 07:34:11 S 00 38 54.403 -05 10 40.91 V C57
2020-09-28 07:34:11 s 1 +27915.689 0 +384685.83 1620.0 C57
2020-09-28 07:44:11 S 00 38 53.414 -05 10 49.55 V C57
2020-09-28 07:44:11 s 1 +27539.190 0 +384837.81 4740.0 C57
2020-09-28 07:54:11 S 00 38 52.327 -05 10 52.10 V C57
2020-09-28 07:54:11 s 1 +27162.617 0 +384988.83 7840.0 C57
2020-09-28 08:04:11 S 00 38 51.343 -05 10 56.96 V C57
2020-09-28 08:04:11 s 1 +26785.972 0 +385138.88 930.0 C57
2020-09-28 08:14:11 S 00 38 50.410 -05 11 01.97 V C57
2020-09-28 08:14:11 s 1 +26409.254 0 +385287.97 3980.0 C57
2020-09-28 08:24:11 S 00 38 49.375 -05 11 09.20 V C57
2020-09-28 08:24:11 s 1 +26032.465 0 +385436.10 7020.0 C57
2020-09-28 08:34:11 S 00 38 48.319 -05 11 14.32 V C57
2020-09-28 08:34:11 s 1 +25655.607 0 +385583.26 40.0 C57
2020-09-28 08:44:11 S 00 38 47.321 -05 11 24.11 V C57
2020-09-28 08:44:11 s 1 +25278.679 0 +385729.46 3030.0 C57
2020-09-28 08:54:11 S 00 38 46.330 -05 11 26.41 V C57
2020-09-28 08:54:11 s 1 +24901.683 0 +385874.70 6000.0 C57
2020-09-28 09:04:11 S 00 38 45.262 -05 11 34.01 V C57
2020-09-28 09:04:11 s 1 +24524.621 0 +386018.98 8940.0 C57
2020-09-28 09:14:11 S 00 38 44.270 -05 11 37.25 V C57
2020-09-28 09:14:11 s 1 +24147.492 0 +386162.29 1860.0 C57
2020-09-28 09:24:11 S 00 38 43.030 -05 11 47.22 V C57
2020-09-28 09:24:11 s 1 +23770.298 0 +386304.65 4750.0 C57
2020-09-28 09:34:11 S 00 38 42.084 -05 11 52.01 V C57
2020-09-28 09:34:11 s 1 +23393.040 0 +386446.05 7620.0 C57
2020-09-28 09:44:11 S 00 38 41.030 -05 11 55.54 V C57
2020-09-28 09:44:11 s 1 +23015.719 0 +386586.48 460.0 C57
2020-09-28 09:53:34 C 00 39 51.05 -05 11 40.5 V T08
2020-09-28 09:54:11 S 00 38 40.061 -05 12 00.61 V C57
2020-09-28 09:54:11 s 1 +22638.335 0 +386725.96 3270.0 C57
2020-09-28 09:56:13 C 00 39 50.78 -05 11 41.7 V T08
2020-09-28 10:04:11 S 00 38 39.108 -05 12 07.34 V C57
2020-09-28 10:04:11 s 1 +22260.891 0 +386864.49 6060.0 C57
2020-09-28 10:04:12 C 00 39 49.96 -05 11 46.7 V T08
2020-09-28 10:14:11 S 00 38 38.021 -05 12 13.79 V C57
2020-09-28 10:14:11 s 1 +21883.386 0 +387002.05 8810.0 C57
2020-09-28 10:19:50 C 00 39 48.34 -05 11 56.0 V T08
2020-09-28 10:24:11 S 00 38 36.857 -05 12 20.56 V C57
2020-09-28 10:24:11 s 1 +21505.822 0 +387138.66 1540.0 C57
2020-09-28 10:34:11 S 00 38 36.106 -05 12 26.50 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)