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
2021-03-09 11:04:05 S 11 48 50.609 -13 40 13.48 V C57
2021-03-09 11:04:05 s 1 +150492.86 0 +199050.63 360.0 C57
2021-03-09 11:14:05 S 11 48 50.155 -13 40 13.87 V C57
2021-03-09 11:14:05 s 1 +150331.79 8 +199754.38 6650.0 C57
2021-03-09 11:24:05 S 11 48 49.613 -13 40 09.88 V C57
2021-03-09 11:24:05 s 1 +150169.38 3 +200456.33 120.0 C57
2021-03-09 11:34:05 S 11 48 49.056 -13 40 11.50 V C57
2021-03-09 11:34:05 s 1 +150005.62 6 +201156.50 790.0 C57
2021-03-09 11:44:05 S 11 48 48.418 -13 40 11.64 V C57
2021-03-09 11:44:05 s 1 +149840.53 3 +201854.87 8680.0 C57
2021-03-09 11:54:05 S 11 48 47.558 -13 40 13.48 V C57
2021-03-09 11:54:05 s 1 +149674.11 4 +202551.46 3800.0 C57
2021-03-09 12:04:05 S 11 48 47.352 -13 40 11.35 V C57
2021-03-09 12:04:05 s 1 +149506.37 8 +203246.28 6170.0 C57
2021-03-09 12:14:05 S 11 48 46.898 -13 40 09.55 V C57
2021-03-09 12:14:05 s 1 +149337.33 3 +203939.31 5810.0 C57
2021-03-09 12:24:05 S 11 48 46.147 -13 40 09.62 V C57
2021-03-09 12:24:05 s 1 +149166.98 7 +204630.57 2730.0 C57
2021-03-09 12:34:05 S 11 48 45.852 -13 40 11.35 V C57
2021-03-09 12:34:05 s 1 +148995.34 8 +205320.06 6960.0 C57
2021-03-09 12:44:05 S 11 48 44.902 -13 40 09.70 V C57
2021-03-09 12:44:05 s 1 +148822.42 6 +206007.79 8500.0 C57
2021-03-09 13:04:05 S 11 48 43.562 -13 40 04.69 V C57
2021-03-09 13:04:05 s 1 +148472.76 0 +207377.95 3590.0 C57
2021-03-09 13:14:05 S 11 48 43.289 -13 40 09.34 V C57
2021-03-09 13:14:05 s 1 +148296.03 4 +208060.40 7180.0 C57
2021-03-09 13:24:05 S 11 48 42.732 -13 40 07.86 V C57
2021-03-09 13:24:05 s 1 +148118.05 6 +208741.09 8150.0 C57
2021-03-09 13:34:05 S 11 48 42.302 -13 40 09.16 V C57
2021-03-09 13:34:05 s 1 +147938.83 4 +209420.03 6520.0 C57
2021-03-09 13:44:05 S 11 48 41.498 -13 40 06.89 V C57
2021-03-09 13:44:05 s 1 +147758.37 6 +210097.22 2300.0 C57
2021-03-09 14:04:05 S 11 48 40.236 -13 40 06.31 V C57
2021-03-09 14:04:05 s 1 +147393.78 3 +211446.38 6160.0 C57
2021-03-09 14:14:05 S 11 48 39.763 -13 40 08.62 V C57
2021-03-09 14:14:05 s 1 +147209.66 4 +212118.36 4270.0 C57
2021-03-09 14:24:05 S 11 48 39.214 -13 40 08.90 V C57
2021-03-09 14:24:05 s 1 +147024.33 9 +212788.60 9860.0 C57
2021-03-09 14:34:05 S 11 48 38.484 -13 40 09.01 V C57
2021-03-09 14:34:05 s 1 +146837.81 7 +213457.11 2930.0 C57
2021-03-09 14:44:05 S 11 48 37.925 -13 40 06.13 V C57
2021-03-09 14:44:05 s 1 +146650.10 5 +214123.89 3510.0 C57
2021-03-09 14:54:05 S 11 48 37.649 -13 40 09.30 V C57
2021-03-09 14:54:05 s 1 +146461.21 0 +214788.95 1610.0 C57
2021-03-09 15:04:05 S 11 48 36.727 -13 40 05.88 V C57
2021-03-09 15:04:05 s 1 +146271.13 9 +215452.29 7240.0 C57
2021-03-09 15:14:05 S 11 48 36.175 -13 40 05.45 V C57
2021-03-09 15:14:05 s 1 +146079.90 1 +216113.91 420.0 C57
2021-03-09 15:24:05 S 11 48 35.621 -13 40 08.51 V C57
2021-03-09 15:24:05 s 1 +145887.50 2 +216773.82 1160.0 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)