3122 Florence (1981 ET3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4232384908 ± 1.63e-09
Semi-major axis (a)1.7688776780 AU ± 6.61e-10
Inclination (i)22.14276824° ± 7.42e-07
Long. of Asc. Node (Ω)336.04036925° ± 3.76e-07
Arg. of Perihelion (ω)27.88474334° ± 1.08e-06
Mean Anomaly (M)168.25752840° ± 7.68e-07
Mean Motion (n)0.4189532598°/day ± 2.35e-10
Perihelion dist (q)1.02022056 AU ± 2.90e-09
Aphelion dist (Q)2.51753480 AU ± 3.03e-09
Orbital Period2.35259247 yr ± 1.32e-09
Physical Parameters
H (abs. magnitude)14.08
G (slope)0.15
Alternative Designations

1983 CN1

Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.362″
Uncertainty0
Orbit TypeAmor
MOID0.042563 AU
Observations Used9413
Radar Obs Used6
Gaia Obs Used88
Oppositions22
Arc Total1979-2026
First Observation Used1979-03-09
Last Observation Used2026-04-05
Observations (12205)
Date Type RA Dec Mag Band Observatory
2021-03-12 01:04:05 S 11 45 07.716 -13 38 25.08 V C57
2021-03-12 01:04:05 s 1 +40144.658 0 +359013.93 2740.0 C57
2021-03-12 01:14:05 S 11 45 07.258 -13 38 24.40 V C57
2021-03-12 01:14:05 s 1 +39780.765 0 +359210.98 3970.0 C57
2021-03-12 01:24:05 S 11 45 06.578 -13 38 22.88 V C57
2021-03-12 01:24:05 s 1 +39416.743 0 +359406.92 4850.0 C57
2021-03-12 01:34:05 S 11 45 06.204 -13 38 25.37 V C57
2021-03-12 01:34:05 s 1 +39052.593 0 +359601.78 5380.0 C57
2021-03-12 01:44:05 S 11 45 05.371 -13 38 21.34 V C57
2021-03-12 01:44:05 s 1 +38688.316 0 +359795.54 5580.0 C57
2021-03-12 01:54:05 S 11 45 04.848 -13 38 21.80 V C57
2021-03-12 01:54:05 s 1 +38323.913 0 +359988.20 5430.0 C57
2021-03-12 02:04:05 S 11 45 04.258 -13 38 23.24 V C57
2021-03-12 02:04:05 s 1 +37959.385 0 +360179.77 4950.0 C57
2021-03-12 02:14:05 S 11 45 03.442 -13 38 25.04 V C57
2021-03-12 02:14:05 s 1 +37594.734 0 +360370.25 4130.0 C57
2021-03-12 02:24:05 S 11 45 03.103 -13 38 24.25 V C57
2021-03-12 02:24:05 s 1 +37229.961 0 +360559.64 2970.0 C57
2021-03-12 02:44:05 S 11 45 01.608 -13 38 21.08 V C57
2021-03-12 02:44:05 s 1 +36500.053 0 +360935.15 9680.0 C57
2021-03-12 02:54:05 S 11 45 00.950 -13 38 21.59 V C57
2021-03-12 02:54:05 s 1 +36134.921 0 +361121.27 7550.0 C57
2021-03-12 03:04:05 S 11 45 00.374 -13 38 20.47 V C57
2021-03-12 03:04:05 s 1 +35769.672 0 +361306.30 5090.0 C57
2021-03-12 03:14:05 S 11 44 59.940 -13 38 22.02 V C57
2021-03-12 03:14:05 s 1 +35404.306 0 +361490.24 2310.0 C57
2021-03-12 03:24:05 S 11 44 59.148 -13 38 21.19 V C57
2021-03-12 03:24:05 s 1 +35038.826 0 +361673.10 9220.0 C57
2021-03-12 03:34:05 S 11 44 58.711 -13 38 21.08 V C57
2021-03-12 03:34:05 s 1 +34673.232 0 +361854.87 5810.0 C57
2021-03-12 03:44:05 S 11 44 57.974 -13 38 20.29 V C57
2021-03-12 03:44:05 s 1 +34307.526 0 +362035.56 2090.0 C57
2021-03-12 03:54:05 S 11 44 57.202 -13 38 17.48 V C57
2021-03-12 03:54:05 s 1 +33941.708 0 +362215.16 8060.0 C57
2021-03-12 04:04:05 S 11 44 56.798 -13 38 18.89 V C57
2021-03-12 04:04:05 s 1 +33575.781 0 +362393.67 3720.0 C57
2021-03-12 04:14:05 S 11 44 56.069 -13 38 18.64 V C57
2021-03-12 04:14:05 s 1 +33209.745 0 +362571.11 9080.0 C57
2021-03-12 04:44:05 S 11 44 54.158 -13 38 18.38 V C57
2021-03-12 04:44:05 s 1 +32110.995 0 +363096.92 3350.0 C57
2021-03-12 04:54:05 S 11 44 53.767 -13 38 16.51 V C57
2021-03-12 04:54:05 s 1 +31744.535 0 +363270.02 7510.0 C57
2021-03-12 05:04:05 S 11 44 52.951 -13 38 17.56 V C57
2021-03-12 05:04:05 s 1 +31377.973 0 +363442.05 1380.0 C57
2021-03-12 05:14:05 S 11 44 52.272 -13 38 14.96 V C57
2021-03-12 05:14:05 s 1 +31011.309 0 +363613.00 4960.0 C57
2021-03-12 05:34:05 S 11 44 51.163 -13 38 16.22 V C57
2021-03-12 05:34:05 s 1 +30277.680 0 +363951.67 1260.0 C57
2021-03-12 05:44:05 S 11 44 50.604 -13 38 12.44 V C57
2021-03-12 05:44:05 s 1 +29910.718 0 +364119.38 3990.0 C57
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-08-29 07:20:00 53416156 10 us 8560 -14 -14
2017-08-30 08:30:00 50057919.82 3 us 8560 -14 -14
2017-09-01 08:30:00 47128765.14 3 us 8560 -14 -14
2017-09-06 10:10:00 60804814.037 5 us 8560 -14 -14
2017-09-08 07:00:00 70833313.23 3 us 8560 -14 -14
2017-09-13 08:00:00 102972248.16 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)