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
2020-09-14 11:20:06 C 01 03 55.89 -02 28 10.5 V T05
2020-09-14 11:27:25 C 01 03 55.52 -02 28 13.1 V T05
2020-09-15 00:41:14 C 01 03 16.86 -02 33 26.4 V 130
2020-09-15 00:43:25 C 01 03 16.75 -02 33 26.9 V 130
2020-09-15 00:45:38 C 01 03 16.64 -02 33 27.6 V 130
2020-09-15 00:47:50 C 01 03 16.52 -02 33 28.6 V 130
2020-09-15 06:43:37 C 01 02 59.15 -02 35 46.0 V 703
2020-09-15 06:51:33 C 01 02 58.80 -02 35 49.5 V 703
2020-09-15 06:59:30 C 01 02 58.33 -02 35 52.7 V 703
2020-09-15 07:07:27 C 01 02 57.92 -02 35 56.3 V 703
2020-09-15 09:27:46 C 01 02 50.24 -02 36 51.7 V H06
2020-09-15 09:32:46 C 01 02 50.00 -02 36 53.7 V H06
2020-09-16 00:35:04 C 01 02 03.27 -02 43 00.7 o L52
2020-09-16 00:53:52 C 01 02 02.11 -02 43 09.3 o L52
2020-09-16 01:31:24 C 01 02 00.17 -02 43 24.0 o L52
2020-09-16 01:54:06 C 01 01 59.00 -02 43 30.2 o L52
2020-09-16 09:53:07 C 01 01 34.32 -02 46 42.7 V T08
2020-09-16 10:04:11 C 01 01 33.67 -02 46 47.1 V T08
2020-09-16 10:10:09 C 01 01 33.34 -02 46 49.7 V T08
2020-09-16 10:38:52 C 01 01 31.68 -02 47 01.3 V T08
2020-09-18 00:45:24 C 00 59 21.75 -03 03 20.3 V 160
2020-09-18 00:48:06 C 00 59 21.58 -03 03 21.1 V 160
2020-09-18 00:51:02 C 00 59 21.40 -03 03 23.1 V 160
2020-09-18 06:42:21 C 00 59 00.93 -03 05 55.0 V 703
2020-09-18 06:50:13 C 00 59 00.32 -03 05 58.1 V 703
2020-09-18 06:58:06 C 00 58 59.85 -03 06 02.1 V 703
2020-09-18 07:05:57 C 00 58 59.30 -03 06 05.2 V 703
2020-09-18 10:44:53 C 00 58 45.99 -03 07 39.8 V T05
2020-09-18 10:50:53 C 00 58 45.60 -03 07 42.4 V T05
2020-09-18 10:56:50 C 00 58 45.20 -03 07 44.9 V T05
2020-09-18 11:17:28 C 00 58 43.88 -03 07 54.2 V T05
2020-09-20 10:17:58 C 00 55 42.74 -03 29 30.4 V T08
2020-09-20 10:21:59 C 00 55 42.47 -03 29 32.5 V T08
2020-09-20 10:55:20 C 00 55 40.05 -03 29 48.3 V T08
2020-09-21 07:47:49 C 00 54 13.04 -03 39 54.8 V 703
2020-09-21 07:55:23 C 00 54 12.52 -03 39 58.2 V 703
2020-09-21 08:02:56 C 00 54 11.96 -03 40 01.8 V 703
2020-09-21 08:10:31 C 00 54 11.40 -03 40 06.1 V 703
2020-09-21 10:27:31 C 00 54 01.834 -03 41 09.82 U F52
2020-09-21 10:45:07 C 00 54 00.507 -03 41 18.43 U F52
2020-09-21 11:20:19 C 00 53 57.840 -03 41 35.71 U F52
2020-09-22 10:25:54 C 00 52 16.49 -03 53 05.2 V T05
2020-09-22 10:31:15 C 00 52 16.05 -03 53 07.9 V T05
2020-09-22 10:39:09 C 00 52 15.43 -03 53 11.9 V T05
2020-09-22 10:46:25 C 00 52 14.85 -03 53 15.5 V T05
2020-09-23 08:25:22 C 00 50 34.86 -04 04 23.3 V G96
2020-09-23 08:33:33 C 00 50 34.19 -04 04 27.5 V G96
2020-09-23 08:41:44 C 00 50 33.51 -04 04 31.7 V G96
2020-09-23 08:49:56 C 00 50 32.84 -04 04 35.8 V G96
2020-09-23 09:24:11 S 00 50 40.399 -04 04 39.40 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)