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
2021-03-10 07:04:05 S 11 47 40.838 -13 39 43.81 V C57
2021-03-10 07:04:05 s 1 +123492.03 2 +271580.09 2860.0 C57
2021-03-10 07:14:05 S 11 47 39.970 -13 39 43.52 V C57
2021-03-10 07:14:05 s 1 +123215.76 4 +272090.43 4890.0 C57
2021-03-10 07:24:05 S 11 47 39.516 -13 39 42.08 V C57
2021-03-10 07:24:05 s 1 +122938.83 4 +272599.33 5480.0 C57
2021-03-10 07:34:05 S 11 47 38.803 -13 39 44.17 V C57
2021-03-10 07:34:05 s 1 +122661.24 8 +273106.77 4640.0 C57
2021-03-10 07:54:05 S 11 47 37.627 -13 39 40.97 V C57
2021-03-10 07:54:05 s 1 +122104.11 9 +274117.33 8710.0 C57
2021-03-10 08:04:05 S 11 47 37.128 -13 39 40.46 V C57
2021-03-10 08:04:05 s 1 +121824.58 3 +274620.44 3630.0 C57
2021-03-10 08:14:05 S 11 47 36.593 -13 39 42.91 V C57
2021-03-10 08:14:05 s 1 +121544.40 5 +275122.12 7150.0 C57
2021-03-10 08:24:05 S 11 47 35.849 -13 39 40.39 V C57
2021-03-10 08:24:05 s 1 +121263.58 7 +275622.36 9290.0 C57
2021-03-10 08:34:05 S 11 47 35.285 -13 39 45.72 V C57
2021-03-10 08:34:05 s 1 +120982.13 5 +276121.16 40.0 C57
2021-03-10 08:44:05 S 11 47 34.562 -13 39 41.76 V C57
2021-03-10 08:44:05 s 1 +120700.05 0 +276618.53 9410.0 C57
2021-03-10 09:04:05 S 11 47 33.552 -13 39 39.02 V C57
2021-03-10 09:04:05 s 1 +120133.99 9 +277608.98 4060.0 C57
2021-03-10 09:24:05 S 11 47 32.309 -13 39 40.50 V C57
2021-03-10 09:24:05 s 1 +119565.46 4 +278593.72 3280.0 C57
2021-03-10 09:34:05 S 11 47 31.507 -13 39 41.08 V C57
2021-03-10 09:34:05 s 1 +119280.27 2 +279083.96 5880.0 C57
2021-03-10 09:44:05 S 11 47 31.106 -13 39 40.64 V C57
2021-03-10 09:44:05 s 1 +118994.47 0 +279572.78 7150.0 C57
2021-03-10 09:54:05 S 11 47 30.389 -13 39 39.46 V C57
2021-03-10 09:54:05 s 1 +118708.06 0 +280060.18 7080.0 C57
2021-03-10 10:04:05 S 11 47 29.688 -13 39 40.93 V C57
2021-03-10 10:04:05 s 1 +118421.04 6 +280546.17 5700.0 C57
2021-03-10 10:14:05 S 11 47 29.114 -13 39 39.64 V C57
2021-03-10 10:14:05 s 1 +118133.43 1 +281030.74 3000.0 C57
2021-03-10 10:24:05 S 11 47 28.872 -13 39 39.31 V C57
2021-03-10 10:24:05 s 1 +117845.21 9 +281513.90 9000.0 C57
2021-03-10 10:34:05 S 11 47 28.224 -13 39 39.20 V C57
2021-03-10 10:34:05 s 1 +117556.41 2 +281995.65 3690.0 C57
2021-03-10 10:44:05 S 11 47 27.422 -13 39 41.51 V C57
2021-03-10 10:44:05 s 1 +117267.01 5 +282476.00 7090.0 C57
2021-03-10 10:54:05 S 11 47 27.005 -13 39 37.69 V C57
2021-03-10 10:54:05 s 1 +116977.03 0 +282954.94 9210.0 C57
2021-03-10 11:04:05 S 11 47 26.208 -13 39 40.07 V C57
2021-03-10 11:04:05 s 1 +116686.46 1 +283432.47 40.0 C57
2021-03-10 11:14:05 S 11 47 25.495 -13 39 38.88 V C57
2021-03-10 11:14:05 s 1 +116395.31 1 +283908.61 9610.0 C57
2021-03-10 11:24:05 S 11 47 25.181 -13 39 35.24 V C57
2021-03-10 11:24:05 s 1 +116103.58 3 +284383.35 7900.0 C57
2021-03-10 11:54:05 S 11 47 23.398 -13 39 32.40 V C57
2021-03-10 11:54:05 s 1 +115224.96 4 +285799.18 5250.0 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)