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
2021-03-25 19:44:04 S 11 24 24.146 -13 02 41.06 V C57
2021-03-25 19:44:04 s 1 +11936.418 0 +373079.87 5420.0 C57
2021-03-25 20:14:04 S 11 24 22.471 -13 02 39.26 V C57
2021-03-25 20:14:04 s 1 +10804.436 0 +373340.34 7870.0 C57
2021-03-25 20:34:04 S 11 24 21.334 -13 02 35.92 V C57
2021-03-25 20:34:04 s 1 +10049.644 0 +373508.77 2360.0 C57
2021-03-25 20:44:04 S 11 24 20.585 -13 02 33.97 V C57
2021-03-25 20:54:04 S 11 24 20.162 -13 02 30.62 V C57
2021-03-25 21:04:04 S 11 24 19.570 -13 02 31.85 V C57
2021-03-25 21:14:04 S 11 24 18.727 -13 02 27.28 V C57
2021-03-25 21:24:04 S 11 24 18.175 -13 02 28.46 V C57
2021-03-25 21:34:04 S 11 24 17.582 -13 02 29.98 V C57
2021-03-25 22:04:04 S 11 24 15.518 -13 02 20.98 V C57
2021-03-25 22:14:04 S 11 24 15.252 -13 02 19.36 V C57
2021-03-25 22:24:04 S 11 24 14.527 -13 02 20.22 V C57
2021-03-25 22:34:04 S 11 24 14.148 -13 02 16.51 V C57
2021-03-25 22:44:04 S 11 24 13.481 -13 02 15.18 V C57
2021-03-25 22:54:04 S 11 24 12.850 -13 02 14.21 V C57
2021-03-25 23:04:04 S 11 24 12.403 -13 02 15.40 V C57
2021-03-25 23:14:04 S 11 24 11.563 -13 02 08.56 V C57
2021-03-25 23:44:04 S 11 24 09.893 -13 02 08.63 V C57
2021-03-25 23:54:04 S 11 24 09.084 -13 02 04.52 V C57
2021-03-26 00:04:04 S 11 24 08.669 -13 02 06.25 V C57
2021-03-26 00:24:04 S 11 24 07.490 -13 02 08.48 V C57
2021-03-26 00:34:04 S 11 24 06.794 -13 02 02.29 V C57
2021-03-26 00:44:04 S 11 24 06.000 -13 02 02.54 V C57
2021-03-26 00:54:04 S 11 24 05.316 -13 01 56.21 V C57
2021-03-26 01:04:04 S 11 24 05.018 -13 01 55.96 V C57
2021-03-26 01:14:04 S 11 24 04.320 -13 01 55.56 V C57
2021-03-26 01:24:04 S 11 24 03.936 -13 01 54.80 V C57
2021-03-26 02:44:04 S 11 23 58.865 -13 01 43.18 V C57
2021-03-26 02:54:04 S 11 23 58.390 -13 01 38.75 V C57
2021-03-26 03:04:04 S 11 23 57.842 -13 01 38.71 V C57
2021-03-26 03:14:04 S 11 23 57.017 -13 01 38.60 V C57
2021-03-26 03:24:04 S 11 23 56.477 -13 01 35.08 V C57
2021-03-26 03:34:04 S 11 23 55.937 -13 01 35.90 V C57
2021-03-26 03:44:04 S 11 23 55.202 -13 01 34.07 V C57
2021-03-26 04:04:04 S 11 23 54.379 -13 01 30.86 V C57
2021-03-26 04:14:04 S 11 23 53.645 -13 01 29.39 V C57
2021-03-26 04:24:04 S 11 23 52.879 -13 01 26.58 V C57
2021-03-26 04:34:04 S 11 23 52.231 -13 01 26.83 V C57
2021-03-26 04:44:04 S 11 23 51.734 -13 01 26.29 V C57
2021-03-26 05:04:04 S 11 23 50.772 -13 01 18.34 V C57
2021-03-26 05:14:04 S 11 23 50.165 -13 01 18.80 V C57
2021-03-26 05:34:04 S 11 23 48.468 -13 01 20.06 V C57
2021-03-26 05:34:04 s 1 -10340.194 0 +376486.01 8260.0 C57
2021-03-26 05:44:04 S 11 23 47.863 -13 01 14.12 V C57
2021-03-26 05:44:04 s 1 -10717.428 0 +376512.74 2930.0 C57
2021-03-26 05:54:04 S 11 23 47.614 -13 01 12.18 V C57
2021-03-26 05:54:04 s 1 -11094.629 0 +376538.45 7570.0 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)