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 10:44:04 S 11 24 56.726 -13 03 59.00 V C57
2021-03-25 10:44:04 s 1 +32236.178 0 +366770.24 7200.0 C57
2021-03-25 10:54:04 S 11 24 56.422 -13 03 55.08 V C57
2021-03-25 10:54:04 s 1 +31862.118 0 +366915.22 3450.0 C57
2021-03-25 11:04:04 S 11 24 55.476 -13 03 58.28 V C57
2021-03-25 11:04:04 s 1 +31487.968 0 +367059.13 9490.0 C57
2021-03-25 11:14:04 S 11 24 55.104 -13 03 56.34 V C57
2021-03-25 11:14:04 s 1 +31113.730 0 +367201.97 5300.0 C57
2021-03-25 11:24:04 S 11 24 54.418 -13 03 54.43 V C57
2021-03-25 11:24:04 s 1 +30739.403 0 +367343.74 900.0 C57
2021-03-25 11:34:04 S 11 24 53.698 -13 03 53.10 V C57
2021-03-25 11:34:04 s 1 +30364.990 0 +367484.45 6280.0 C57
2021-03-25 11:44:04 S 11 24 53.086 -13 03 49.32 V C57
2021-03-25 11:44:04 s 1 +29990.492 0 +367624.08 1450.0 C57
2021-03-25 11:54:04 S 11 24 52.570 -13 03 46.80 V C57
2021-03-25 11:54:04 s 1 +29615.909 0 +367762.65 6410.0 C57
2021-03-25 12:04:04 S 11 24 51.946 -13 03 42.95 V C57
2021-03-25 12:04:04 s 1 +29241.243 0 +367900.15 1170.0 C57
2021-03-25 12:14:04 S 11 24 51.665 -13 03 47.84 V C57
2021-03-25 12:14:04 s 1 +28866.495 0 +368036.59 5720.0 C57
2021-03-25 12:24:04 S 11 24 50.762 -13 03 46.87 V C57
2021-03-25 12:24:04 s 1 +28491.666 0 +368171.95 60.0 C57
2021-03-25 12:34:04 S 11 24 50.208 -13 03 45.79 V C57
2021-03-25 12:34:04 s 1 +28116.757 0 +368306.26 4210.0 C57
2021-03-25 12:44:04 S 11 24 49.601 -13 03 42.37 V C57
2021-03-25 12:44:04 s 1 +27741.770 0 +368439.49 8160.0 C57
2021-03-25 12:54:04 S 11 24 48.938 -13 03 40.97 V C57
2021-03-25 12:54:04 s 1 +27366.706 0 +368571.67 1910.0 C57
2021-03-25 13:04:04 S 11 24 48.614 -13 03 39.13 V C57
2021-03-25 13:04:04 s 1 +26991.565 0 +368702.78 5470.0 C57
2021-03-25 13:14:04 S 11 24 47.849 -13 03 36.86 V C57
2021-03-25 13:14:04 s 1 +26616.350 0 +368832.82 8840.0 C57
2021-03-25 13:24:04 S 11 24 47.124 -13 03 34.42 V C57
2021-03-25 13:24:04 s 1 +26241.060 0 +368961.80 2020.0 C57
2021-03-25 13:34:04 S 11 24 46.567 -13 03 35.17 V C57
2021-03-25 13:34:04 s 1 +25865.698 0 +369089.72 5010.0 C57
2021-03-25 13:44:04 S 11 24 45.888 -13 03 32.62 V C57
2021-03-25 13:44:04 s 1 +25490.264 0 +369216.58 7820.0 C57
2021-03-25 14:04:04 S 11 24 44.885 -13 03 31.10 V C57
2021-03-25 14:04:04 s 1 +24739.185 0 +369467.11 2890.0 C57
2021-03-25 14:14:04 S 11 24 44.246 -13 03 29.70 V C57
2021-03-25 14:14:04 s 1 +24363.543 0 +369590.78 5160.0 C57
2021-03-25 14:24:04 S 11 24 43.685 -13 03 28.37 V C57
2021-03-25 14:24:04 s 1 +23987.834 0 +369713.39 7260.0 C57
2021-03-25 14:34:04 S 11 24 43.253 -13 03 27.65 V C57
2021-03-25 14:34:04 s 1 +23612.059 0 +369834.95 9180.0 C57
2021-03-25 14:44:04 S 11 24 42.276 -13 03 19.98 V C57
2021-03-25 14:44:04 s 1 +23236.219 0 +369955.44 930.0 C57
2021-03-25 14:54:04 S 11 24 41.707 -13 03 22.39 V C57
2021-03-25 14:54:04 s 1 +22860.315 0 +370074.88 2520.0 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)