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
2020-09-25 09:44:11 s 1 +161662.94 3 +225519.42 1950.0 C57
2020-09-25 09:54:11 S 00 45 56.705 -04 31 01.02 V C57
2020-09-25 09:54:11 s 1 +161464.84 7 +226163.11 4200.0 C57
2020-09-25 10:02:16 C 00 46 29.63 -04 30 48.2 V T05
2020-09-25 10:04:11 S 00 45 55.891 -04 31 10.20 V C57
2020-09-25 10:04:11 s 1 +161265.67 3 +226805.30 5910.0 C57
2020-09-25 10:06:52 C 00 46 29.21 -04 30 50.7 V T05
2020-09-25 10:14:11 S 00 45 54.814 -04 31 12.94 V C57
2020-09-25 10:14:11 s 1 +161065.42 7 +227445.98 7090.0 C57
2020-09-25 10:21:22 C 00 46 27.90 -04 30 58.5 V T05
2020-09-25 10:24:11 S 00 45 53.834 -04 31 21.32 V C57
2020-09-25 10:24:11 s 1 +160864.11 5 +228085.16 7740.0 C57
2020-09-25 10:29:18 C 00 46 27.18 -04 31 02.9 V T05
2020-09-25 10:34:11 S 00 45 52.620 -04 31 22.84 V C57
2020-09-25 10:34:11 s 1 +160661.74 4 +228722.83 7850.0 C57
2020-09-25 10:44:11 S 00 45 51.542 -04 31 28.13 V C57
2020-09-25 10:44:11 s 1 +160458.31 8 +229359.00 7440.0 C57
2020-09-25 10:54:11 S 00 45 50.698 -04 31 34.46 V C57
2020-09-25 10:54:11 s 1 +160253.84 5 +229993.68 6510.0 C57
2020-09-25 11:04:11 S 00 45 49.661 -04 31 41.38 V C57
2020-09-25 11:04:11 s 1 +160048.32 9 +230626.86 5070.0 C57
2020-09-25 11:14:11 S 00 45 48.905 -04 31 39.97 V C57
2020-09-25 11:14:11 s 1 +159841.77 7 +231258.55 3100.0 C57
2020-09-25 11:24:11 S 00 45 47.568 -04 31 50.48 V C57
2020-09-25 11:24:11 s 1 +159634.19 5 +231888.75 630.0 C57
2020-09-25 11:34:11 S 00 45 46.867 -04 31 57.97 V C57
2020-09-25 11:34:11 s 1 +159425.58 7 +232517.47 7640.0 C57
2020-09-25 11:44:11 S 00 45 45.818 -04 31 59.92 V C57
2020-09-25 11:44:11 s 1 +159215.96 0 +233144.69 4150.0 C57
2020-09-25 11:54:11 S 00 45 44.854 -04 32 05.57 V C57
2020-09-25 11:54:11 s 1 +159005.32 0 +233770.44 150.0 C57
2020-09-25 12:04:11 S 00 45 43.754 -04 32 13.78 V C57
2020-09-25 12:04:11 s 1 +158793.67 1 +234394.70 5660.0 C57
2020-09-25 12:14:11 S 00 45 42.713 -04 32 16.33 V C57
2020-09-25 12:14:11 s 1 +158581.02 0 +235017.49 670.0 C57
2020-09-25 12:24:11 S 00 45 41.722 -04 32 22.52 V C57
2020-09-25 12:24:11 s 1 +158367.37 2 +235638.79 5180.0 C57
2020-09-25 12:34:11 S 00 45 40.826 -04 32 26.34 V C57
2020-09-25 12:34:11 s 1 +158152.73 3 +236258.63 9200.0 C57
2020-09-25 12:44:11 S 00 45 39.511 -04 32 34.08 V C57
2020-09-25 12:44:11 s 1 +157937.10 7 +236876.99 2740.0 C57
2020-09-25 12:54:11 S 00 45 38.818 -04 32 38.65 V C57
2020-09-25 12:54:11 s 1 +157720.50 1 +237493.88 5790.0 C57
2020-09-25 13:04:11 S 00 45 37.618 -04 32 46.64 V C57
2020-09-25 13:04:11 s 1 +157502.92 0 +238109.31 8360.0 C57
2020-09-25 13:24:11 S 00 45 35.772 -04 32 57.48 V C57
2020-09-25 13:24:11 s 1 +157064.85 3 +239335.76 2060.0 C57
2020-09-25 13:34:11 S 00 45 34.644 -04 33 00.86 V C57
2020-09-25 13:34:11 s 1 +156844.37 8 +239946.80 3200.0 C57
2020-09-25 13:44:11 S 00 45 33.965 -04 33 02.66 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)