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
2015-07-24 10:42:03 C 20 18 31.598 -29 40 06.91 L F51
2015-07-24 10:56:53 C 20 18 30.564 -29 40 09.85 L F51
2017-07-26 08:50:11 C 19 23 38.465 -31 50 21.59 L F51
2017-07-26 09:05:08 C 19 23 37.455 -31 50 22.59 L F51
2017-07-26 09:34:58 C 19 23 35.437 -31 50 24.47 L F51
2018-09-05 06:45:54 S 04 41 15.775 +19 21 45.22 L C51
2018-09-05 09:54:24 S 04 41 55.502 +19 23 39.52 L C51
2018-09-06 04:45:02 S 04 45 56.70 +19 35 09.3 L C51
2018-09-06 07:53:33 S 04 46 37.36 +19 37 06.1 L C51
2018-09-06 10:51:38 C 04 47 16.70 +19 38 49.0 V 703
2018-09-06 10:59:15 C 04 47 18.32 +19 38 53.9 V 703
2018-09-06 11:06:52 C 04 47 19.96 +19 38 58.6 V 703
2018-09-06 11:14:30 C 04 47 21.60 +19 39 02.5 V 703
2018-09-06 14:10:33 S 04 47 59.11 +19 40 52.8 L C51
2018-09-06 17:18:52 S 04 48 40.20 +19 42 46.1 L C51
2018-09-06 20:27:22 S 04 49 21.44 +19 44 40.6 L C51
2018-09-09 10:58:53 C 05 03 34.97 +20 21 38.8 V G96
2018-09-09 11:04:57 C 05 03 36.35 +20 21 42.1 V 703
2018-09-09 11:11:49 C 05 03 37.97 +20 21 46.3 V G96
2018-09-09 11:11:54 C 05 03 38.00 +20 21 46.2 V 703
2018-09-09 11:18:50 C 05 03 39.60 +20 21 50.2 V 703
2018-09-09 11:25:13 C 05 03 41.10 +20 21 54.1 V G96
2018-09-09 11:25:46 C 05 03 41.27 +20 21 54.1 V 703
2018-09-09 11:32:36 C 05 03 42.81 +20 21 58.5 V G96
2018-10-05 11:33:45 C 08 24 21.60 +21 04 36.8 V 703
2018-10-05 11:41:23 C 08 24 24.44 +21 04 31.5 V 703
2018-10-05 11:49:00 C 08 24 27.27 +21 04 25.6 V 703
2018-11-14 04:51:29 C 12 55 18.93 -01 24 23.8 V 204
2018-11-14 05:00:14 C 12 55 20.69 -01 24 36.9 V 204
2019-06-28 10:41:22 C 19 13 15.662 -32 20 21.14 U F51
2019-06-28 10:55:21 C 19 13 14.502 -32 20 23.51 U F51
2019-06-28 11:23:17 C 19 13 12.163 -32 20 28.24 U F51
2020-07-31 13:14:08 C 01 04 37.894 -00 23 12.60 U F51
2020-07-31 13:25:24 C 01 04 38.202 -00 23 11.69 U F51
2020-07-31 13:36:33 C 01 04 38.507 -00 23 10.78 U F51
2020-07-31 13:47:46 C 01 04 38.813 -00 23 09.89 U F51
2020-08-18 18:41:23 C 01 13 33.59 -00 15 55.1 q D29
2020-08-18 19:01:45 C 01 13 33.76 -00 15 56.7 q D29
2020-08-18 19:22:07 C 01 13 33.92 -00 15 58.2 q D29
2020-08-23 12:39:18 C 01 14 17.082 -00 25 02.13 U F52
2020-08-23 12:55:05 C 01 14 17.085 -00 25 03.79 U F52
2020-08-23 13:10:55 C 01 14 17.088 -00 25 05.47 U F52
2020-08-23 13:26:48 C 01 14 17.090 -00 25 07.11 U F52
2020-08-25 12:04:17 C 01 14 20.26 -00 30 25.8 V T05
2020-08-25 12:08:16 C 01 14 20.21 -00 30 26.3 V T05
2020-08-25 12:15:37 C 01 14 20.21 -00 30 27.4 V T05
2020-08-25 12:22:54 C 01 14 20.21 -00 30 29.4 V T05
2020-08-25 19:09:23 C 01 14 19.769 -00 31 11.89 V P07
2020-08-25 20:00:14 C 01 14 19.517 -00 31 18.48 V P07
2020-08-25 20:48:21 C 01 14 19.354 -00 31 25.50 V P07
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)