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
2021-03-14 08:34:05 s 1 -81620.258 0 +367206.58 1410.0 C57
2021-03-14 08:44:05 S 11 41 36.931 -13 35 41.14 V C57
2021-03-14 08:44:05 s 1 -81969.253 0 +367063.09 5940.0 C57
2021-03-14 08:54:05 S 11 41 36.293 -13 35 42.94 V C57
2021-03-14 08:54:05 s 1 -82318.038 0 +366918.60 120.0 C57
2021-03-14 09:04:05 S 11 41 35.489 -13 35 43.87 V C57
2021-03-14 09:04:05 s 1 -82666.613 0 +366773.12 3940.0 C57
2021-03-14 09:14:05 S 11 41 34.980 -13 35 44.20 V C57
2021-03-14 09:14:05 s 1 -83014.975 0 +366626.63 7410.0 C57
2021-03-14 09:24:05 S 11 41 34.366 -13 35 41.57 V C57
2021-03-14 09:24:05 s 1 -83363.124 0 +366479.15 530.0 C57
2021-03-14 09:34:05 S 11 41 33.847 -13 35 41.06 V C57
2021-03-14 09:34:05 s 1 -83711.059 0 +366330.67 3280.0 C57
2021-03-14 09:44:05 S 11 41 32.846 -13 35 42.90 V C57
2021-03-14 09:44:05 s 1 -84058.778 0 +366181.20 5670.0 C57
2021-03-14 09:54:05 S 11 41 32.263 -13 35 40.06 V C57
2021-03-14 09:54:05 s 1 -84406.282 0 +366030.72 7700.0 C57
2021-03-14 10:04:05 S 11 41 31.704 -13 35 38.69 V C57
2021-03-14 10:04:05 s 1 -84753.568 0 +365879.25 9370.0 C57
2021-03-14 10:14:05 S 11 41 31.046 -13 35 39.16 V C57
2021-03-14 10:14:05 s 1 -85100.635 0 +365726.78 660.0 C57
2021-03-14 10:34:05 S 11 41 29.674 -13 35 36.24 V C57
2021-03-14 10:34:05 s 1 -85794.111 0 +365418.84 2150.0 C57
2021-03-14 10:44:05 S 11 41 29.155 -13 35 37.61 V C57
2021-03-14 10:44:05 s 1 -86140.516 0 +365263.38 2330.0 C57
2021-03-14 10:54:05 S 11 41 28.452 -13 35 35.63 V C57
2021-03-14 10:54:05 s 1 -86486.699 0 +365106.91 2130.0 C57
2021-03-14 11:04:05 S 11 41 27.936 -13 35 37.07 V C57
2021-03-14 11:04:05 s 1 -86832.659 0 +364949.45 1560.0 C57
2021-03-14 11:14:05 S 11 41 27.050 -13 35 33.50 V C57
2021-03-14 11:14:05 s 1 -87178.393 0 +364790.99 600.0 C57
2021-03-14 11:24:05 S 11 41 26.484 -13 35 33.97 V C57
2021-03-14 11:24:05 s 1 -87523.902 0 +364631.53 9270.0 C57
2021-03-14 11:34:05 S 11 41 25.706 -13 35 36.06 V C57
2021-03-14 11:34:05 s 1 -87869.184 0 +364471.07 7550.0 C57
2021-03-14 11:44:05 S 11 41 25.272 -13 35 31.67 V C57
2021-03-14 11:44:05 s 1 -88214.237 0 +364309.61 5440.0 C57
2021-03-14 11:54:05 S 11 41 24.710 -13 35 33.61 V C57
2021-03-14 11:54:05 s 1 -88559.062 0 +364147.15 2940.0 C57
2021-03-14 12:24:05 S 11 41 22.906 -13 35 29.51 V C57
2021-03-14 12:24:05 s 1 -89592.149 0 +363653.78 3090.0 C57
2021-03-14 12:34:05 S 11 41 22.042 -13 35 31.78 V C57
2021-03-14 12:34:05 s 1 -89936.046 0 +363487.32 9010.0 C57
2021-03-14 12:44:05 S 11 41 21.278 -13 35 27.28 V C57
2021-03-14 12:44:05 s 1 -90279.709 0 +363319.86 4540.0 C57
2021-03-14 12:54:05 S 11 41 20.635 -13 35 29.29 V C57
2021-03-14 12:54:05 s 1 -90623.135 0 +363151.40 9660.0 C57
2021-03-14 13:04:05 S 11 41 20.023 -13 35 27.56 V C57
2021-03-14 13:04:05 s 1 -90966.326 0 +362981.94 4380.0 C57
2021-03-14 13:24:05 S 11 41 18.631 -13 35 27.71 V 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)