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
2020-09-24 05:24:11 s 1 +172460.49 7 +92246.409 6160.0 C57
2020-09-24 05:34:11 S 00 48 43.754 -04 15 30.67 V C57
2020-09-24 05:34:11 s 1 +172589.41 2 +93177.560 9890.0 C57
2020-09-24 05:44:11 S 00 48 42.773 -04 15 33.30 V C57
2020-09-24 05:44:11 s 1 +172715.05 7 +94106.948 1850.0 C57
2020-09-24 05:54:11 S 00 48 41.750 -04 15 43.52 V C57
2020-09-24 05:54:11 s 1 +172837.45 8 +95034.570 2050.0 C57
2020-09-24 06:04:11 S 00 48 40.956 -04 15 46.73 V C57
2020-09-24 06:04:11 s 1 +172956.64 0 +95960.424 510.0 C57
2020-09-24 06:14:11 S 00 48 39.802 -04 15 54.65 V C57
2020-09-24 06:14:11 s 1 +173072.62 6 +96884.508 7240.0 C57
2020-09-24 06:24:11 S 00 48 38.662 -04 15 58.46 V C57
2020-09-24 06:24:11 s 1 +173185.44 2 +97806.819 2260.0 C57
2020-09-24 06:26:23 C 00 48 49.29 -04 15 56.7 V 703
2020-09-24 06:33:56 C 00 48 48.63 -04 16 00.8 V 703
2020-09-24 06:34:11 S 00 48 37.922 -04 16 09.52 V C57
2020-09-24 06:34:11 s 1 +173295.11 1 +98727.355 5570.0 C57
2020-09-24 06:41:30 C 00 48 47.98 -04 16 04.9 V 703
2020-09-24 06:44:11 S 00 48 36.910 -04 16 12.11 V C57
2020-09-24 06:44:11 s 1 +173401.65 8 +99646.115 7210.0 C57
2020-09-24 06:49:03 C 00 48 47.30 -04 16 09.3 V 703
2020-09-24 06:54:11 S 00 48 35.755 -04 16 17.40 V C57
2020-09-24 06:54:11 s 1 +173505.10 6 +100563.09 7160.0 C57
2020-09-24 07:04:11 S 00 48 34.889 -04 16 20.42 V C57
2020-09-24 07:04:11 s 1 +173605.47 8 +101478.29 5460.0 C57
2020-09-24 07:14:11 S 00 48 34.162 -04 16 29.68 V C57
2020-09-24 07:14:11 s 1 +173702.79 8 +102391.71 2110.0 C57
2020-09-24 07:34:11 S 00 48 32.256 -04 16 35.69 V C57
2020-09-24 07:34:11 s 1 +173888.37 4 +104213.20 530.0 C57
2020-09-24 07:44:11 S 00 48 30.994 -04 16 41.95 V C57
2020-09-24 07:44:11 s 1 +173976.67 6 +105121.26 2330.0 C57
2020-09-24 08:04:11 S 00 48 29.059 -04 16 49.84 V C57
2020-09-24 08:04:11 s 1 +174144.41 5 +106932.03 1150.0 C57
2020-09-24 08:14:11 S 00 48 28.308 -04 17 02.62 V C57
2020-09-24 08:14:11 s 1 +174223.89 8 +107834.72 8200.0 C57
2020-09-24 08:24:11 S 00 48 27.086 -04 17 06.43 V C57
2020-09-24 08:24:11 s 1 +174300.48 6 +108735.63 3690.0 C57
2020-09-24 08:34:11 S 00 48 26.374 -04 17 08.48 V C57
2020-09-24 08:34:11 s 1 +174374.19 9 +109634.75 7640.0 C57
2020-09-24 09:14:11 S 00 48 22.277 -04 17 29.18 V C57
2020-09-24 09:14:11 s 1 +174640.73 2 +113213.30 8240.0 C57
2020-09-24 09:24:11 S 00 48 21.242 -04 17 36.56 V C57
2020-09-24 09:24:11 s 1 +174700.38 9 +114103.45 4650.0 C57
2020-09-24 09:34:11 S 00 48 20.575 -04 17 39.84 V C57
2020-09-24 09:34:11 s 1 +174757.29 7 +114991.82 9590.0 C57
2020-09-24 09:44:11 S 00 48 19.164 -04 17 44.99 V C57
2020-09-24 09:44:11 s 1 +174811.47 6 +115878.38 3070.0 C57
2020-09-24 09:54:11 S 00 48 18.449 -04 17 53.09 V C57
2020-09-24 09:54:11 s 1 +174862.94 5 +116763.15 5090.0 C57
2020-09-24 10:04:11 S 00 48 17.359 -04 17 57.30 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)