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
2021-03-23 17:14:04 s 1 +118948.37 9 +295461.75 3100.0 C57
2021-03-23 17:24:04 S 11 27 25.013 -13 09 39.35 V C57
2021-03-23 17:24:04 s 1 +118643.27 2 +295898.29 8570.0 C57
2021-03-23 17:34:04 S 11 27 24.372 -13 09 36.94 V C57
2021-03-23 17:34:04 s 1 +118337.64 1 +296333.51 2940.0 C57
2021-03-23 17:44:04 S 11 27 23.645 -13 09 33.23 V C57
2021-03-23 17:44:04 s 1 +118031.48 9 +296767.42 6220.0 C57
2021-03-23 17:54:04 S 11 27 23.282 -13 09 36.54 V C57
2021-03-23 17:54:04 s 1 +117724.81 8 +297200.03 8420.0 C57
2021-03-23 18:04:04 S 11 27 22.241 -13 09 27.94 V C57
2021-03-23 18:04:04 s 1 +117417.63 2 +297631.32 9530.0 C57
2021-03-23 18:14:04 S 11 27 21.713 -13 09 28.19 V C57
2021-03-23 18:14:04 s 1 +117109.93 2 +298061.32 9570.0 C57
2021-03-23 18:24:04 S 11 27 21.163 -13 09 27.94 V C57
2021-03-23 18:24:04 s 1 +116801.72 2 +298490.00 8540.0 C57
2021-03-23 18:34:04 S 11 27 20.702 -13 09 25.67 V C57
2021-03-23 18:34:04 s 1 +116493.00 4 +298917.39 6440.0 C57
2021-03-23 18:44:04 S 11 27 20.270 -13 09 25.34 V C57
2021-03-23 18:44:04 s 1 +116183.78 1 +299343.47 3290.0 C57
2021-03-23 18:54:04 S 11 27 19.586 -13 09 22.79 V C57
2021-03-23 18:54:04 s 1 +115874.05 6 +299768.25 9080.0 C57
2021-03-23 19:04:04 S 11 27 19.054 -13 09 24.70 V C57
2021-03-23 19:04:04 s 1 +115563.83 1 +300191.73 3830.0 C57
2021-03-23 19:14:04 S 11 27 18.418 -13 09 21.89 V C57
2021-03-23 19:14:04 s 1 +115253.10 8 +300613.92 7530.0 C57
2021-03-23 19:24:04 S 11 27 17.957 -13 09 20.81 V C57
2021-03-23 19:24:04 s 1 +114941.89 1 +301034.81 190.0 C57
2021-03-23 20:04:04 S 11 27 15.475 -13 09 14.98 V C57
2021-03-23 20:04:04 s 1 +113692.13 0 +302705.45 570.0 C57
2021-03-23 20:14:04 S 11 27 14.834 -13 09 15.48 V C57
2021-03-23 20:14:04 s 1 +113378.47 9 +303119.89 8130.0 C57
2021-03-23 20:24:04 S 11 27 14.206 -13 09 13.50 V C57
2021-03-23 20:24:04 s 1 +113064.34 9 +303533.04 4670.0 C57
2021-03-23 20:34:04 S 11 27 13.714 -13 09 13.39 V C57
2021-03-23 20:34:04 s 1 +112749.74 2 +303944.90 220.0 C57
2021-03-23 20:44:04 S 11 27 13.121 -13 09 12.60 V C57
2021-03-23 20:44:04 s 1 +112434.66 1 +304355.48 4760.0 C57
2021-03-23 20:54:04 S 11 27 12.408 -13 09 08.57 V C57
2021-03-23 20:54:04 s 1 +112119.10 8 +304764.78 8320.0 C57
2021-03-23 21:04:04 S 11 27 11.810 -13 09 08.28 V C57
2021-03-23 21:04:04 s 1 +111803.08 7 +305172.79 880.0 C57
2021-03-23 21:14:04 S 11 27 11.549 -13 09 04.75 V C57
2021-03-23 21:14:04 s 1 +111486.59 8 +305579.53 2470.0 C57
2021-03-23 21:24:04 S 11 27 10.841 -13 09 02.81 V C57
2021-03-23 21:24:04 s 1 +111169.64 6 +305984.99 3080.0 C57
2021-03-23 21:34:04 S 11 27 10.298 -13 09 02.95 V C57
2021-03-23 21:34:04 s 1 +110852.23 2 +306389.17 2720.0 C57
2021-03-23 21:44:04 S 11 27 09.384 -13 09 00.97 V C57
2021-03-23 21:44:04 s 1 +110534.35 8 +306792.08 1390.0 C57
2021-03-23 21:54:04 S 11 27 08.926 -13 09 02.16 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)