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 00:44:11 s 1 +167413.08 8 +65474.244 8690.0 C57
2020-09-24 00:54:11 S 00 49 11.071 -04 13 00.66 V C57
2020-09-24 00:54:11 s 1 +167644.84 1 +66453.003 8560.0 C57
2020-09-24 01:04:11 S 00 49 10.248 -04 13 06.89 V C57
2020-09-24 01:04:11 s 1 +167872.51 0 +67430.145 6190.0 C57
2020-09-24 01:14:11 S 00 49 08.897 -04 13 14.48 V C57
2020-09-24 01:14:11 s 1 +168096.12 7 +68405.663 1600.0 C57
2020-09-24 01:24:11 S 00 49 08.086 -04 13 18.23 V C57
2020-09-24 01:24:11 s 1 +168315.72 5 +69379.547 4800.0 C57
2020-09-24 01:34:11 S 00 49 07.152 -04 13 23.92 V C57
2020-09-24 01:34:11 s 1 +168531.33 8 +70351.792 5810.0 C57
2020-09-24 01:44:11 S 00 49 06.156 -04 13 27.73 V C57
2020-09-24 01:44:11 s 1 +168742.99 7 +71322.388 4650.0 C57
2020-09-24 01:54:11 S 00 49 05.345 -04 13 34.46 V C57
2020-09-24 01:54:11 s 1 +168950.73 4 +72291.330 1340.0 C57
2020-09-24 02:04:11 S 00 49 04.445 -04 13 39.83 V C57
2020-09-24 02:04:11 s 1 +169154.58 1 +73258.609 5890.0 C57
2020-09-24 02:14:11 S 00 49 03.338 -04 13 45.70 V C57
2020-09-24 02:14:11 s 1 +169354.56 8 +74224.219 8340.0 C57
2020-09-24 02:24:11 S 00 49 02.304 -04 13 47.42 V C57
2020-09-24 02:24:11 s 1 +169550.72 8 +75188.155 8690.0 C57
2020-09-24 02:44:11 S 00 49 00.048 -04 14 02.80 V C57
2020-09-24 02:44:11 s 1 +169931.68 5 +77110.975 3170.0 C57
2020-09-24 02:54:11 S 00 48 59.472 -04 14 10.18 V C57
2020-09-24 02:54:11 s 1 +170116.54 3 +78069.848 7340.0 C57
2020-09-24 03:04:11 S 00 48 58.375 -04 14 12.80 V C57
2020-09-24 03:04:11 s 1 +170297.69 4 +79027.021 9490.0 C57
2020-09-24 03:14:11 S 00 48 57.305 -04 14 19.75 V C57
2020-09-24 03:14:11 s 1 +170475.16 6 +79982.491 9620.0 C57
2020-09-24 03:24:11 S 00 48 56.354 -04 14 22.63 V C57
2020-09-24 03:24:11 s 1 +170648.99 0 +80936.251 7770.0 C57
2020-09-24 03:44:11 S 00 48 54.564 -04 14 34.37 V C57
2020-09-24 03:44:11 s 1 +170985.80 6 +82838.623 8150.0 C57
2020-09-24 03:54:11 S 00 48 53.450 -04 14 42.18 V C57
2020-09-24 03:54:11 s 1 +171148.85 6 +83787.226 430.0 C57
2020-09-24 04:04:11 S 00 48 52.639 -04 14 42.72 V C57
2020-09-24 04:04:11 s 1 +171308.37 0 +84734.100 770.0 C57
2020-09-24 04:14:11 S 00 48 51.653 -04 14 49.45 V C57
2020-09-24 04:14:11 s 1 +171464.37 8 +85679.242 9210.0 C57
2020-09-24 04:24:11 S 00 48 50.506 -04 14 54.82 V C57
2020-09-24 04:24:11 s 1 +171616.90 5 +86622.648 5760.0 C57
2020-09-24 04:34:11 S 00 48 49.822 -04 15 00.65 V C57
2020-09-24 04:34:11 s 1 +171765.98 0 +87564.313 430.0 C57
2020-09-24 04:44:11 S 00 48 48.725 -04 15 05.83 V C57
2020-09-24 04:44:11 s 1 +171911.62 9 +88504.234 3240.0 C57
2020-09-24 05:04:11 S 00 48 46.716 -04 15 14.76 V C57
2020-09-24 05:04:11 s 1 +172192.75 6 +90378.830 3330.0 C57
2020-09-24 05:14:11 S 00 48 45.516 -04 15 18.79 V C57
2020-09-24 05:14:11 s 1 +172328.28 7 +91313.498 650.0 C57
2020-09-24 05:24:11 S 00 48 44.762 -04 15 23.98 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)