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 12:24:05 S 11 47 21.456 -13 39 36.72 V C57
2021-03-10 12:24:05 s 1 +114341.25 9 +287202.51 1420.0 C57
2021-03-10 12:34:05 S 11 47 20.959 -13 39 37.94 V C57
2021-03-10 12:34:05 s 1 +114045.57 5 +287667.51 1030.0 C57
2021-03-10 12:44:05 S 11 47 20.467 -13 39 36.00 V C57
2021-03-10 12:44:05 s 1 +113749.33 9 +288131.13 9420.0 C57
2021-03-10 12:54:05 S 11 47 19.637 -13 39 33.34 V C57
2021-03-10 12:54:05 s 1 +113452.55 3 +288593.37 6600.0 C57
2021-03-10 13:04:05 S 11 47 18.998 -13 39 34.74 V C57
2021-03-10 13:04:05 s 1 +113155.22 0 +289054.23 2570.0 C57
2021-03-10 13:14:05 S 11 47 18.650 -13 39 33.62 V C57
2021-03-10 13:14:05 s 1 +112857.34 5 +289513.71 7350.0 C57
2021-03-10 13:24:05 S 11 47 17.904 -13 39 36.43 V C57
2021-03-10 13:24:05 s 1 +112558.92 8 +289971.82 940.0 C57
2021-03-10 13:34:05 S 11 47 17.556 -13 39 33.70 V C57
2021-03-10 13:34:05 s 1 +112259.97 5 +290428.56 3340.0 C57
2021-03-10 13:44:05 S 11 47 16.762 -13 39 31.93 V C57
2021-03-10 13:44:05 s 1 +111960.48 7 +290883.93 4570.0 C57
2021-03-10 13:54:05 S 11 47 16.325 -13 39 34.96 V C57
2021-03-10 13:54:05 s 1 +111660.46 7 +291337.92 4620.0 C57
2021-03-10 14:04:05 S 11 47 15.331 -13 39 33.01 V C57
2021-03-10 14:04:05 s 1 +111359.91 9 +291790.55 3500.0 C57
2021-03-10 14:24:05 S 11 47 14.453 -13 39 31.68 V C57
2021-03-10 14:24:05 s 1 +110757.24 9 +292691.72 7790.0 C57
2021-03-10 14:44:05 S 11 47 13.056 -13 39 30.35 V C57
2021-03-10 14:44:05 s 1 +110152.50 0 +293587.44 7490.0 C57
2021-03-10 14:54:05 S 11 47 12.617 -13 39 30.85 V C57
2021-03-10 14:54:05 s 1 +109849.35 3 +294033.27 630.0 C57
2021-03-10 15:04:05 S 11 47 11.688 -13 39 32.65 V C57
2021-03-10 15:04:05 s 1 +109545.69 5 +294477.73 2630.0 C57
2021-03-10 15:14:05 S 11 47 11.278 -13 39 33.34 V C57
2021-03-10 15:14:05 s 1 +109241.52 9 +294920.85 3510.0 C57
2021-03-10 15:24:05 S 11 47 10.894 -13 39 32.54 V C57
2021-03-10 15:24:05 s 1 +108936.85 7 +295362.61 3270.0 C57
2021-03-10 15:44:05 S 11 47 09.638 -13 39 26.35 V C57
2021-03-10 15:44:05 s 1 +108326.00 9 +296242.09 9460.0 C57
2021-03-10 16:04:05 S 11 47 08.558 -13 39 30.92 V C57
2021-03-10 16:04:05 s 1 +107713.17 2 +297116.18 1230.0 C57
2021-03-10 16:14:05 S 11 47 07.752 -13 39 29.16 V C57
2021-03-10 16:14:05 s 1 +107406.01 5 +297551.22 5470.0 C57
2021-03-10 16:24:05 S 11 47 07.109 -13 39 30.96 V C57
2021-03-10 16:24:05 s 1 +107098.36 9 +297984.91 8630.0 C57
2021-03-10 16:44:05 S 11 47 06.113 -13 39 29.81 V C57
2021-03-10 16:44:05 s 1 +106481.62 1 +298848.28 1710.0 C57
2021-03-10 16:54:05 S 11 47 05.258 -13 39 29.74 V C57
2021-03-10 16:54:05 s 1 +106172.52 5 +299277.96 1650.0 C57
2021-03-10 17:24:05 S 11 47 03.578 -13 39 28.94 V C57
2021-03-10 17:24:05 s 1 +105242.38 0 +300559.01 5080.0 C57
2021-03-10 17:34:05 S 11 47 03.108 -13 39 25.92 V C57
2021-03-10 17:34:05 s 1 +104931.38 8 +300983.36 790.0 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)