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 15:04:04 S 11 24 40.970 -13 03 21.13 V C57
2021-03-25 15:04:04 s 1 +22484.349 0 +370193.25 3930.0 C57
2021-03-25 15:24:04 S 11 24 39.943 -13 03 22.10 V C57
2021-03-25 15:24:04 s 1 +21732.233 0 +370426.83 6280.0 C57
2021-03-25 15:34:04 S 11 24 39.547 -13 03 17.96 V C57
2021-03-25 15:34:04 s 1 +21356.086 0 +370542.04 7220.0 C57
2021-03-25 15:44:04 S 11 24 38.806 -13 03 16.70 V C57
2021-03-25 15:44:04 s 1 +20979.881 0 +370656.18 8000.0 C57
2021-03-25 15:54:04 S 11 24 38.062 -13 03 15.62 V C57
2021-03-25 15:54:04 s 1 +20603.619 0 +370769.28 8620.0 C57
2021-03-25 16:04:04 S 11 24 37.598 -13 03 13.39 V C57
2021-03-25 16:04:04 s 1 +20227.301 0 +370881.31 9090.0 C57
2021-03-25 16:14:04 S 11 24 37.027 -13 03 13.90 V C57
2021-03-25 16:14:04 s 1 +19850.928 0 +370992.29 9410.0 C57
2021-03-25 16:24:04 S 11 24 36.180 -13 03 12.53 V C57
2021-03-25 16:24:04 s 1 +19474.502 0 +371102.22 9580.0 C57
2021-03-25 16:34:04 S 11 24 35.794 -13 03 12.28 V C57
2021-03-25 16:34:04 s 1 +19098.023 0 +371211.09 9610.0 C57
2021-03-25 16:44:04 S 11 24 35.112 -13 03 07.96 V C57
2021-03-25 16:44:04 s 1 +18721.493 0 +371318.91 9490.0 C57
2021-03-25 16:54:04 S 11 24 34.406 -13 03 06.95 V C57
2021-03-25 16:54:04 s 1 +18344.912 0 +371425.67 9240.0 C57
2021-03-25 17:04:04 S 11 24 33.996 -13 03 03.02 V C57
2021-03-25 17:04:04 s 1 +17968.283 0 +371531.38 8840.0 C57
2021-03-25 17:14:04 S 11 24 32.902 -13 03 08.64 V C57
2021-03-25 17:14:04 s 1 +17591.605 0 +371636.04 8310.0 C57
2021-03-25 17:24:04 S 11 24 32.652 -13 02 57.88 V C57
2021-03-25 17:24:04 s 1 +17214.880 0 +371739.64 7640.0 C57
2021-03-25 17:34:04 S 11 24 32.203 -13 02 58.88 V C57
2021-03-25 17:34:04 s 1 +16838.110 0 +371842.20 6840.0 C57
2021-03-25 17:44:04 S 11 24 31.450 -13 02 59.71 V C57
2021-03-25 17:44:04 s 1 +16461.295 0 +371943.70 5910.0 C57
2021-03-25 18:04:04 S 11 24 30.300 -13 02 55.25 V C57
2021-03-25 18:04:04 s 1 +15707.534 0 +372143.55 3670.0 C57
2021-03-25 18:14:04 S 11 24 29.575 -13 02 54.71 V C57
2021-03-25 18:14:04 s 1 +15330.591 0 +372241.90 2370.0 C57
2021-03-25 18:24:04 S 11 24 29.062 -13 02 55.93 V C57
2021-03-25 18:24:04 s 1 +14953.608 0 +372339.20 940.0 C57
2021-03-25 18:34:04 S 11 24 28.558 -13 02 53.48 V C57
2021-03-25 18:34:04 s 1 +14576.585 0 +372435.46 9400.0 C57
2021-03-25 18:54:04 S 11 24 27.504 -13 02 50.78 V C57
2021-03-25 18:54:04 s 1 +13822.426 0 +372624.81 5950.0 C57
2021-03-25 19:04:04 S 11 24 26.573 -13 02 46.03 V C57
2021-03-25 19:04:04 s 1 +13445.292 0 +372717.92 4060.0 C57
2021-03-25 19:14:04 S 11 24 26.184 -13 02 44.34 V C57
2021-03-25 19:14:04 s 1 +13068.123 0 +372809.98 2060.0 C57
2021-03-25 19:24:04 S 11 24 25.625 -13 02 42.14 V C57
2021-03-25 19:24:04 s 1 +12690.920 0 +372900.99 9960.0 C57
2021-03-25 19:34:04 S 11 24 24.972 -13 02 44.23 V C57
2021-03-25 19:34:04 s 1 +12313.685 0 +372990.95 7740.0 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)