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
2021-03-12 05:54:05 S 11 44 50.138 -13 38 15.40 V C57
2021-03-12 05:54:05 s 1 +29543.658 0 +364286.03 6430.0 C57
2021-03-12 06:04:05 S 11 44 49.334 -13 38 14.50 V C57
2021-03-12 06:04:05 s 1 +29176.503 0 +364451.59 8600.0 C57
2021-03-12 06:14:05 S 11 44 48.763 -13 38 15.83 V C57
2021-03-12 06:14:05 s 1 +28809.253 0 +364616.08 490.0 C57
2021-03-12 06:24:05 S 11 44 47.918 -13 38 14.28 V C57
2021-03-12 06:24:05 s 1 +28441.910 0 +364779.50 2110.0 C57
2021-03-12 06:34:05 S 11 44 47.359 -13 38 14.24 V C57
2021-03-12 06:34:05 s 1 +28074.474 0 +364941.84 3460.0 C57
2021-03-12 06:44:05 S 11 44 46.730 -13 38 13.56 V C57
2021-03-12 06:44:05 s 1 +27706.947 0 +365103.11 4540.0 C57
2021-03-12 06:54:05 S 11 44 45.989 -13 38 13.81 V C57
2021-03-12 06:54:05 s 1 +27339.330 0 +365263.31 5350.0 C57
2021-03-12 07:14:05 S 11 44 44.964 -13 38 12.48 V C57
2021-03-12 07:14:05 s 1 +26603.831 0 +365580.49 6190.0 C57
2021-03-12 07:34:05 S 11 44 43.615 -13 38 10.50 V C57
2021-03-12 07:34:05 s 1 +25867.985 0 +365893.39 5990.0 C57
2021-03-12 07:44:05 S 11 44 43.145 -13 38 08.88 V C57
2021-03-12 07:44:05 s 1 +25499.935 0 +366048.23 5510.0 C57
2021-03-12 07:54:05 S 11 44 42.586 -13 38 08.20 V C57
2021-03-12 07:54:05 s 1 +25131.801 0 +366202.01 4780.0 C57
2021-03-12 08:14:05 S 11 44 41.602 -13 38 10.36 V C57
2021-03-12 08:14:05 s 1 +24395.289 0 +366506.37 2570.0 C57
2021-03-12 08:24:05 S 11 44 40.447 -13 38 07.91 V C57
2021-03-12 08:24:05 s 1 +24026.913 0 +366656.94 1100.0 C57
2021-03-12 08:34:05 S 11 44 39.950 -13 38 10.57 V C57
2021-03-12 08:34:05 s 1 +23658.458 0 +366806.46 9390.0 C57
2021-03-12 08:44:05 S 11 44 39.365 -13 38 07.04 V C57
2021-03-12 08:44:05 s 1 +23289.926 0 +366954.90 7430.0 C57
2021-03-12 08:54:05 S 11 44 38.616 -13 38 07.22 V C57
2021-03-12 08:54:05 s 1 +22921.317 0 +367102.28 5240.0 C57
2021-03-12 09:04:05 S 11 44 38.095 -13 38 07.44 V C57
2021-03-12 09:04:05 s 1 +22552.633 0 +367248.60 2810.0 C57
2021-03-12 09:14:05 S 11 44 37.548 -13 38 07.94 V C57
2021-03-12 09:14:05 s 1 +22183.874 0 +367393.86 150.0 C57
2021-03-12 09:24:05 S 11 44 36.806 -13 38 05.32 V C57
2021-03-12 09:24:05 s 1 +21815.042 0 +367538.05 7260.0 C57
2021-03-12 09:34:05 S 11 44 36.372 -13 38 06.65 V C57
2021-03-12 09:34:05 s 1 +21446.139 0 +367681.18 4140.0 C57
2021-03-12 09:44:05 S 11 44 35.602 -13 38 03.01 V C57
2021-03-12 09:44:05 s 1 +21077.164 0 +367823.25 800.0 C57
2021-03-12 09:54:05 S 11 44 35.050 -13 38 06.22 V C57
2021-03-12 09:54:05 s 1 +20708.120 0 +367964.26 7230.0 C57
2021-03-12 10:04:05 S 11 44 34.418 -13 38 04.92 V C57
2021-03-12 10:04:05 s 1 +20339.007 0 +368104.20 3440.0 C57
2021-03-12 10:14:05 S 11 44 33.886 -13 38 04.74 V C57
2021-03-12 10:14:05 s 1 +19969.827 0 +368243.09 9430.0 C57
2021-03-12 10:24:05 S 11 44 33.230 -13 38 03.12 V C57
2021-03-12 10:24:05 s 1 +19600.580 0 +368380.92 5200.0 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)