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
2019-04-20 21:14:33 S 12 58 40.073 -40 36 38.52 V C57
2019-04-20 21:14:33 s 1 -196958.07 3 +89160.663 8900.0 C57
2019-04-20 21:44:33 S 12 58 37.752 -40 36 37.19 V C57
2019-04-20 21:44:33 s 1 -196358.55 0 +86776.054 50.0 C57
2019-04-20 22:14:33 S 12 58 35.254 -40 36 34.45 V C57
2019-04-20 22:14:33 s 1 -195737.41 0 +84381.835 8740.0 C57
2019-04-20 22:44:33 S 12 58 32.683 -40 36 28.08 V C57
2019-04-20 22:44:33 s 1 -195094.30 3 +81978.085 3440.0 C57
2019-04-20 23:14:33 S 12 58 30.000 -40 36 25.24 V C57
2019-04-20 23:14:33 s 1 -194428.86 8 +79564.892 2570.0 C57
2019-04-20 23:44:33 S 12 58 27.362 -40 36 20.77 V C57
2019-04-20 23:44:33 s 1 -193740.73 9 +77142.351 4520.0 C57
2019-04-21 00:14:33 S 12 58 24.845 -40 36 15.59 V C57
2019-04-21 00:14:33 s 1 -193029.53 9 +74710.560 7630.0 C57
2019-04-21 00:44:33 S 12 58 22.313 -40 36 15.23 V C57
2019-04-21 00:44:33 s 1 -192294.88 2 +72269.626 210.0 C57
2019-04-21 01:14:33 S 12 58 19.776 -40 36 10.26 V C57
2019-04-21 01:14:33 s 1 -191536.37 5 +69819.663 510.0 C57
2019-04-21 01:44:33 S 12 58 17.258 -40 36 07.02 V C57
2019-04-21 01:44:33 s 1 -190753.61 4 +67360.794 6740.0 C57
2019-04-21 02:14:33 S 12 58 14.570 -40 36 02.20 V C57
2019-04-21 02:14:33 s 1 -189946.18 7 +64893.147 7080.0 C57
2019-04-21 02:44:33 S 12 58 12.182 -40 35 57.37 V C57
2019-04-21 02:44:33 s 1 -189113.67 1 +62416.860 9640.0 C57
2019-04-21 03:14:33 S 12 58 09.521 -40 35 53.88 V C57
2019-04-21 03:14:33 s 1 -188255.63 5 +59932.081 2500.0 C57
2019-04-21 03:44:33 S 12 58 06.967 -40 35 50.32 V C57
2019-04-21 03:44:33 s 1 -187371.63 5 +57438.966 3680.0 C57
2019-04-21 04:14:33 S 12 58 04.354 -40 35 42.65 V C57
2019-04-21 04:14:33 s 1 -186461.21 8 +54937.681 1150.0 C57
2019-04-21 04:44:33 S 12 58 01.409 -40 35 42.43 V C57
2019-04-21 04:44:33 s 1 -185523.92 2 +52428.405 2820.0 C57
2019-04-21 05:14:33 S 12 57 59.028 -40 35 37.32 V C57
2019-04-21 05:14:33 s 1 -184559.27 0 +49911.324 6560.0 C57
2019-04-21 05:44:33 S 12 57 56.839 -40 35 32.14 V C57
2019-04-21 05:44:33 s 1 -183566.77 8 +47386.640 170.0 C57
2019-04-21 06:14:33 S 12 57 53.554 -40 35 25.58 V C57
2019-04-21 06:14:33 s 1 -182545.94 9 +44854.565 1390.0 C57
2019-04-21 06:44:33 S 12 57 51.425 -40 35 22.85 V C57
2019-04-21 06:44:33 s 1 -181496.27 2 +42315.325 7920.0 C57
2019-04-21 07:14:33 S 12 57 48.739 -40 35 19.39 V C57
2019-04-21 07:14:33 s 1 -180417.22 8 +39769.161 7380.0 C57
2019-04-21 07:44:33 S 12 57 46.147 -40 35 18.49 V C57
2019-04-21 07:44:33 s 1 -179308.28 2 +37216.326 7340.0 C57
2019-04-21 08:14:33 S 12 57 43.260 -40 35 10.32 V C57
2019-04-21 08:14:33 s 1 -178168.89 0 +34657.092 5280.0 C57
2019-04-21 08:44:33 S 12 57 41.081 -40 35 07.73 V C57
2019-04-21 08:44:33 s 1 -176998.49 2 +32091.746 8630.0 C57
2019-04-21 09:14:33 S 12 57 38.263 -40 35 00.35 V C57
2019-04-21 09:14:33 s 1 -175796.51 7 +29520.592 4770.0 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)