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
2020-10-12 06:09:00 C 23 57 33.81 -08 48 36.6 V 703
2020-10-12 12:12:51 C 23 56 36.11 -08 52 40.5 V T05
2020-10-12 12:19:34 C 23 56 35.04 -08 52 44.8 V T05
2020-10-12 12:29:31 C 23 56 33.46 -08 52 51.8 V T05
2020-10-12 12:48:39 C 23 56 30.40 -08 53 04.5 V T05
2020-10-14 01:49:15 C 23 50 38.81 -09 18 15.2 q W46
2020-10-14 02:41:58 C 23 50 30.00 -09 18 50.6 q W46
2020-10-14 03:13:14 C 23 50 24.72 -09 19 12.3 q W46
2020-10-14 09:28:25 C 23 49 23.29 -09 23 19.6 V T08
2020-10-14 09:33:04 C 23 49 22.50 -09 23 22.7 V T08
2020-10-14 09:47:16 C 23 49 20.08 -09 23 32.2 V T08
2020-10-14 09:55:54 C 23 49 18.62 -09 23 38.0 V T08
2020-10-15 04:26:42 C 23 46 17.10 -09 36 04.2 V 703
2020-10-15 04:42:15 C 23 46 14.27 -09 36 16.3 V 703
2020-10-15 04:50:01 C 23 46 12.96 -09 36 22.2 V 703
2020-10-15 12:12:58 C 23 44 59.03 -09 40 50.9 q Q68
2020-10-15 12:15:12 C 23 44 58.64 -09 40 52.2 q Q68
2020-10-15 12:17:28 C 23 44 58.27 -09 40 53.8 q Q68
2020-10-15 12:19:41 C 23 44 57.85 -09 40 55.3 q Q68
2020-10-15 14:09:40 C 23 44 38.88 -09 42 08.0 q Q68
2020-10-15 14:11:55 C 23 44 38.50 -09 42 09.4 q Q68
2020-10-15 14:14:09 C 23 44 38.14 -09 42 10.8 q Q68
2020-10-15 14:16:23 C 23 44 37.73 -09 42 12.2 q Q68
2020-10-16 09:15:34 C 23 41 26.47 -09 55 06.6 V T05
2020-10-16 09:23:29 C 23 41 25.08 -09 55 12.0 V T05
2020-10-16 09:30:07 C 23 41 23.91 -09 55 16.2 V T05
2020-10-16 09:51:57 C 23 41 20.06 -09 55 30.3 V T05
2020-10-17 01:34:25 C 23 38 40.00 -10 05 24.2 q 834
2020-10-17 02:14:30 C 23 38 32.89 -10 05 49.9 q 834
2020-10-17 09:00:12 C 23 37 22.92 -10 10 34.4 V T08
2020-10-17 09:04:51 C 23 37 22.08 -10 10 37.2 V T08
2020-10-17 09:12:48 C 23 37 20.66 -10 10 42.4 V T08
2020-10-17 09:28:03 C 23 37 17.93 -10 10 52.2 V T08
2020-10-18 04:20:46 C 23 34 02.06 -10 23 02.8 V 703
2020-10-18 04:30:17 C 23 34 00.34 -10 23 09.0 V 703
2020-10-18 04:39:48 C 23 33 58.63 -10 23 15.1 V 703
2020-10-18 04:49:20 C 23 33 56.89 -10 23 21.2 V 703
2020-10-18 08:10:55 C 23 33 21.48 -10 25 24.7 V T08
2020-10-18 08:14:56 C 23 33 20.76 -10 25 27.2 V T08
2020-10-18 08:22:56 C 23 33 19.29 -10 25 32.3 V T08
2020-10-18 09:13:54 C 23 33 10.01 -10 26 04.4 V T08
2020-10-18 20:31:27 C 23 31 11.44 -10 33 19.3 V G17
2020-10-18 20:33:57 C 23 31 10.96 -10 33 21.1 V G17
2020-10-18 20:36:34 C 23 31 10.50 -10 33 22.4 V G17
2020-10-19 05:08:06 C 23 29 39.81 -10 38 39.0 V G96
2020-10-19 05:16:13 C 23 29 38.32 -10 38 44.0 V G96
2020-10-19 05:24:22 C 23 29 36.83 -10 38 49.1 V G96
2020-10-19 05:32:29 C 23 29 35.34 -10 38 54.2 V G96
2020-10-22 03:11:30 C 23 17 00.21 -11 20 33.7 V 703
2020-10-22 03:19:12 C 23 16 58.78 -11 20 38.3 V 703
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)