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
2020-09-29 08:24:11 s 1 -28460.437 0 +396965.89 4650.0 C57
2020-09-29 08:34:11 S 00 36 18.530 -05 25 28.88 V C57
2020-09-29 08:34:11 s 1 -28837.806 0 +396978.91 8370.0 C57
2020-09-29 08:44:11 S 00 36 17.503 -05 25 34.14 V C57
2020-09-29 08:44:11 s 1 -29215.116 0 +396991.03 1970.0 C57
2020-09-29 08:54:11 S 00 36 16.402 -05 25 37.92 V C57
2020-09-29 08:54:11 s 1 -29592.366 0 +397002.23 5480.0 C57
2020-09-29 09:04:11 S 00 36 15.547 -05 25 43.68 V C57
2020-09-29 09:04:11 s 1 -29969.556 0 +397012.53 8870.0 C57
2020-09-29 09:14:11 S 00 36 14.400 -05 25 49.12 V C57
2020-09-29 09:14:11 s 1 -30346.685 0 +397021.92 2160.0 C57
2020-09-29 09:24:11 S 00 36 13.498 -05 25 55.85 V C57
2020-09-29 09:24:11 s 1 -30723.751 0 +397030.40 5340.0 C57
2020-09-29 09:34:11 S 00 36 12.199 -05 26 01.39 V C57
2020-09-29 09:34:11 s 1 -31100.755 0 +397037.98 8420.0 C57
2020-09-29 09:44:11 S 00 36 11.297 -05 26 12.62 V C57
2020-09-29 09:44:11 s 1 -31477.695 0 +397044.64 1380.0 C57
2020-09-29 10:04:11 S 00 36 09.098 -05 26 21.66 V C57
2020-09-29 10:04:11 s 1 -32231.380 0 +397055.26 6990.0 C57
2020-09-29 10:24:11 S 00 36 06.886 -05 26 28.86 V C57
2020-09-29 10:24:11 s 1 -32984.800 0 +397062.24 2150.0 C57
2020-09-29 10:34:11 S 00 36 05.882 -05 26 40.09 V C57
2020-09-29 10:34:11 s 1 -33361.408 0 +397064.38 4570.0 C57
2020-09-29 10:54:11 S 00 36 03.943 -05 26 51.61 V C57
2020-09-29 10:54:11 s 1 -34114.418 0 +397065.93 9060.0 C57
2020-09-29 11:04:11 S 00 36 02.801 -05 26 56.72 V C57
2020-09-29 11:04:11 s 1 -34490.818 0 +397065.35 1140.0 C57
2020-09-29 11:14:11 S 00 36 01.896 -05 27 02.59 V C57
2020-09-29 11:14:11 s 1 -34867.147 0 +397063.86 3100.0 C57
2020-09-29 11:24:11 S 00 36 00.715 -05 27 08.21 V C57
2020-09-29 11:24:11 s 1 -35243.403 0 +397061.47 4950.0 C57
2020-09-29 11:34:11 S 00 35 59.940 -05 27 11.88 V C57
2020-09-29 11:34:11 s 1 -35619.587 0 +397058.17 6690.0 C57
2020-09-29 11:44:11 S 00 35 58.718 -05 27 23.65 V C57
2020-09-29 11:44:11 s 1 -35995.697 0 +397053.97 8310.0 C57
2020-09-29 11:54:11 S 00 35 57.581 -05 27 29.12 V C57
2020-09-29 11:54:11 s 1 -36371.733 0 +397048.86 9820.0 C57
2020-09-29 12:04:11 S 00 35 56.594 -05 27 33.08 V C57
2020-09-29 12:04:11 s 1 -36747.693 0 +397042.85 1210.0 C57
2020-09-29 12:14:11 S 00 35 55.399 -05 27 40.86 V C57
2020-09-29 12:14:11 s 1 -37123.577 0 +397035.94 2480.0 C57
2020-09-29 12:24:11 S 00 35 54.365 -05 27 45.22 V C57
2020-09-29 12:24:11 s 1 -37499.384 0 +397028.12 3630.0 C57
2020-09-29 12:34:11 S 00 35 53.186 -05 27 49.32 V C57
2020-09-29 12:34:11 s 1 -37875.114 0 +397019.39 4670.0 C57
2020-09-29 12:44:11 S 00 35 52.308 -05 27 58.10 V C57
2020-09-29 12:44:11 s 1 -38250.764 0 +397009.77 5590.0 C57
2020-09-29 12:54:11 S 00 35 51.396 -05 28 04.66 V C57
2020-09-29 12:54:11 s 1 -38626.336 0 +396999.24 6390.0 C57
2020-09-29 13:04:11 S 00 35 50.230 -05 28 11.21 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)