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
2021-03-27 05:04:04 S 11 22 23.302 -12 57 49.75 V C57
2021-03-27 05:04:04 s 1 -62749.002 0 +370181.79 2210.0 C57
2021-03-27 05:14:04 S 11 22 22.699 -12 57 51.62 V C57
2021-03-27 05:14:04 s 1 -63111.679 0 +370064.85 3710.0 C57
2021-03-27 05:34:04 S 11 22 21.449 -12 57 47.74 V C57
2021-03-27 05:34:04 s 1 -63836.502 0 +369827.93 5770.0 C57
2021-03-27 05:44:04 S 11 22 20.966 -12 57 43.09 V C57
2021-03-27 05:44:04 s 1 -64198.646 0 +369707.95 6330.0 C57
2021-03-27 05:54:04 S 11 22 20.314 -12 57 41.65 V C57
2021-03-27 05:54:04 s 1 -64560.610 0 +369586.94 6590.0 C57
2021-03-27 06:04:04 S 11 22 19.603 -12 57 37.58 V C57
2021-03-27 06:04:04 s 1 -64922.394 0 +369464.92 6520.0 C57
2021-03-27 06:14:04 S 11 22 19.128 -12 57 35.64 V C57
2021-03-27 06:14:04 s 1 -65283.997 0 +369341.88 6140.0 C57
2021-03-27 06:24:04 S 11 22 18.497 -12 57 36.36 V C57
2021-03-27 06:24:04 s 1 -65645.416 0 +369217.82 5430.0 C57
2021-03-27 06:34:04 S 11 22 17.717 -12 57 31.14 V C57
2021-03-27 06:34:04 s 1 -66006.652 0 +369092.75 4410.0 C57
2021-03-27 06:44:04 S 11 22 17.311 -12 57 36.40 V C57
2021-03-27 06:44:04 s 1 -66367.703 0 +368966.65 3060.0 C57
2021-03-27 06:54:04 S 11 22 16.634 -12 57 34.60 V C57
2021-03-27 06:54:04 s 1 -66728.568 0 +368839.54 1380.0 C57
2021-03-27 07:04:04 S 11 22 16.006 -12 57 31.82 V C57
2021-03-27 07:04:04 s 1 -67089.246 0 +368711.41 9380.0 C57
2021-03-27 07:14:04 S 11 22 15.607 -12 57 26.39 V C57
2021-03-27 07:14:04 s 1 -67449.735 0 +368582.26 7040.0 C57
2021-03-27 07:24:04 S 11 22 15.055 -12 57 24.73 V C57
2021-03-27 07:24:04 s 1 -67810.036 0 +368452.09 4370.0 C57
2021-03-27 07:34:04 S 11 22 14.354 -12 57 26.57 V C57
2021-03-27 07:34:04 s 1 -68170.146 0 +368320.90 1370.0 C57
2021-03-27 07:54:04 S 11 22 13.361 -12 57 24.12 V C57
2021-03-27 07:54:04 s 1 -68889.791 0 +368055.46 4350.0 C57
2021-03-27 08:04:04 S 11 22 12.317 -12 57 22.46 V C57
2021-03-27 08:04:04 s 1 -69249.324 0 +367921.22 330.0 C57
2021-03-27 08:24:04 S 11 22 11.342 -12 57 20.23 V C57
2021-03-27 08:24:04 s 1 -69967.804 0 +367649.67 1260.0 C57
2021-03-27 08:34:04 S 11 22 10.553 -12 57 17.42 V C57
2021-03-27 08:34:04 s 1 -70326.750 0 +367512.36 6200.0 C57
2021-03-27 08:44:04 S 11 22 10.054 -12 57 16.45 V C57
2021-03-27 08:44:04 s 1 -70685.498 0 +367374.04 790.0 C57
2021-03-27 08:54:04 S 11 22 09.446 -12 57 14.00 V C57
2021-03-27 08:54:04 s 1 -71044.046 0 +367234.69 5030.0 C57
2021-03-27 09:04:04 S 11 22 09.005 -12 57 12.17 V C57
2021-03-27 09:04:04 s 1 -71402.395 0 +367094.33 8920.0 C57
2021-03-27 09:14:04 S 11 22 08.179 -12 57 11.95 V C57
2021-03-27 09:14:04 s 1 -71760.542 0 +366952.94 2450.0 C57
2021-03-27 09:24:04 S 11 22 07.567 -12 57 08.24 V C57
2021-03-27 09:24:04 s 1 -72118.487 0 +366810.54 5630.0 C57
2021-03-27 09:54:04 S 11 22 05.818 -12 57 07.74 V C57
2021-03-27 09:54:04 s 1 -73191.097 0 +366377.20 2980.0 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)