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
2021-03-24 11:14:04 s 1 +83466.493 0 +335310.98 3890.0 C57
2021-03-24 11:24:04 S 11 26 20.592 -13 07 12.36 V C57
2021-03-24 11:24:04 s 1 +83118.344 0 +335613.60 8100.0 C57
2021-03-24 11:34:04 S 11 26 20.009 -13 07 13.69 V C57
2021-03-24 11:34:04 s 1 +82769.907 0 +335915.04 1690.0 C57
2021-03-24 11:44:04 S 11 26 19.685 -13 07 08.26 V C57
2021-03-24 11:44:04 s 1 +82421.182 0 +336215.30 4660.0 C57
2021-03-24 11:54:04 S 11 26 18.850 -13 07 06.17 V C57
2021-03-24 11:54:04 s 1 +82072.172 0 +336514.40 7010.0 C57
2021-03-24 12:04:04 S 11 26 18.312 -13 07 04.22 V C57
2021-03-24 12:04:04 s 1 +81722.878 0 +336812.31 8750.0 C57
2021-03-24 12:14:04 S 11 26 17.808 -13 07 05.41 V C57
2021-03-24 12:14:04 s 1 +81373.302 0 +337109.06 9880.0 C57
2021-03-24 12:44:04 S 11 26 15.854 -13 07 02.32 V C57
2021-03-24 12:44:04 s 1 +80322.899 0 +337992.27 9640.0 C57
2021-03-24 12:54:04 S 11 26 15.300 -13 07 02.78 V C57
2021-03-24 12:54:04 s 1 +79972.212 0 +338284.34 8360.0 C57
2021-03-24 13:14:04 S 11 26 14.275 -13 06 58.07 V C57
2021-03-24 13:14:04 s 1 +79270.019 0 +338864.97 4030.0 C57
2021-03-24 13:54:04 S 11 26 11.779 -13 06 53.96 V C57
2021-03-24 13:54:04 s 1 +77862.404 0 +340012.26 8360.0 C57
2021-03-24 14:14:04 S 11 26 10.529 -13 06 44.82 V C57
2021-03-24 14:14:04 s 1 +77157.008 0 +340578.93 7080.0 C57
2021-03-24 14:24:04 S 11 26 09.902 -13 06 48.71 V C57
2021-03-24 14:24:04 s 1 +76803.919 0 +340860.53 590.0 C57
2021-03-24 14:34:04 S 11 26 09.362 -13 06 45.58 V C57
2021-03-24 14:34:04 s 1 +76450.571 0 +341140.96 3530.0 C57
2021-03-24 14:44:04 S 11 26 08.698 -13 06 41.00 V C57
2021-03-24 14:44:04 s 1 +76096.966 0 +341420.24 5920.0 C57
2021-03-24 14:54:04 S 11 26 08.177 -13 06 45.22 V C57
2021-03-24 14:54:04 s 1 +75743.106 0 +341698.36 7740.0 C57
2021-03-24 15:04:04 S 11 26 07.428 -13 06 45.18 V C57
2021-03-24 15:04:04 s 1 +75388.992 0 +341975.33 9020.0 C57
2021-03-24 15:14:04 S 11 26 06.941 -13 06 37.33 V C57
2021-03-24 15:14:04 s 1 +75034.626 0 +342251.14 9750.0 C57
2021-03-24 15:24:04 S 11 26 06.367 -13 06 40.50 V C57
2021-03-24 15:24:04 s 1 +74680.009 0 +342525.80 9930.0 C57
2021-03-24 15:34:04 S 11 26 05.611 -13 06 40.21 V C57
2021-03-24 15:34:04 s 1 +74325.144 0 +342799.30 9560.0 C57
2021-03-24 15:44:04 S 11 26 05.040 -13 06 35.28 V C57
2021-03-24 15:44:04 s 1 +73970.030 0 +343071.65 8660.0 C57
2021-03-24 15:54:04 S 11 26 04.747 -13 06 36.36 V C57
2021-03-24 15:54:04 s 1 +73614.672 0 +343342.85 7220.0 C57
2021-03-24 16:14:04 S 11 26 03.396 -13 06 29.02 V C57
2021-03-24 16:14:04 s 1 +72903.223 0 +343881.80 2740.0 C57
2021-03-24 16:34:04 S 11 26 02.206 -13 06 26.86 V C57
2021-03-24 16:34:04 s 1 +72190.810 0 +344416.16 6150.0 C57
2021-03-24 16:44:04 S 11 26 01.586 -13 06 29.23 V C57
2021-03-24 16:44:04 s 1 +71834.246 0 +344681.61 2080.0 C57
2021-03-24 16:54:04 S 11 26 00.991 -13 06 28.30 V 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)