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
2019-04-17 04:14:33 S 13 06 02.935 -40 44 37.18 V C57
2019-04-17 04:14:33 s 1 -124975.86 4 +355952.31 5730.0 C57
2019-04-17 04:44:33 S 13 06 00.384 -40 44 34.62 V C57
2019-04-17 04:44:33 s 1 -125907.80 2 +355269.18 9360.0 C57
2019-04-17 05:14:33 S 13 05 57.830 -40 44 32.46 V C57
2019-04-17 05:14:33 s 1 -126836.62 7 +354577.42 7370.0 C57
2019-04-17 05:44:33 S 13 05 55.550 -40 44 31.88 V C57
2019-04-17 05:44:33 s 1 -127762.30 9 +353877.01 9650.0 C57
2019-04-17 06:14:33 S 13 05 53.182 -40 44 27.35 V C57
2019-04-17 06:14:33 s 1 -128684.81 7 +353167.96 6060.0 C57
2019-04-17 06:44:33 S 13 05 50.880 -40 44 30.16 V C57
2019-04-17 06:44:33 s 1 -129604.12 2 +352450.26 6480.0 C57
2019-04-17 07:14:33 S 13 05 48.233 -40 44 24.83 V C57
2019-04-17 07:14:33 s 1 -130520.19 2 +351723.90 800.0 C57
2019-04-17 07:44:33 S 13 05 45.955 -40 44 24.97 V C57
2019-04-17 07:44:33 s 1 -131432.99 7 +350988.88 8880.0 C57
2019-04-17 08:14:33 S 13 05 43.469 -40 44 22.85 V C57
2019-04-17 08:14:33 s 1 -132342.50 7 +350245.19 610.0 C57
2019-04-17 08:44:33 S 13 05 41.177 -40 44 22.74 V C57
2019-04-17 08:44:33 s 1 -133248.68 9 +349492.84 5840.0 C57
2019-04-17 09:14:33 S 13 05 38.448 -40 44 19.75 V C57
2019-04-17 09:14:33 s 1 -134151.51 3 +348731.81 4470.0 C57
2019-04-17 09:44:33 S 13 05 36.307 -40 44 18.71 V C57
2019-04-17 09:44:33 s 1 -135050.94 8 +347962.11 6350.0 C57
2019-04-17 13:14:33 S 13 05 19.262 -40 44 05.39 V C57
2019-04-17 13:14:33 s 1 -141249.37 9 +342330.65 9920.0 C57
2019-04-17 13:44:33 S 13 05 16.738 -40 44 05.57 V C57
2019-04-17 13:44:33 s 1 -142120.53 3 +341491.30 3180.0 C57
2019-04-17 14:14:33 S 13 05 14.479 -40 44 00.53 V C57
2019-04-17 14:14:33 s 1 -142988.00 4 +340643.21 8520.0 C57
2019-04-17 14:44:33 S 13 05 12.168 -40 44 03.01 V C57
2019-04-17 14:44:33 s 1 -143851.75 6 +339786.39 5790.0 C57
2019-04-17 15:14:33 S 13 05 09.571 -40 43 58.12 V C57
2019-04-17 15:14:33 s 1 -144711.75 7 +338920.82 4860.0 C57
2019-04-17 15:44:33 S 13 05 06.936 -40 43 56.53 V C57
2019-04-17 15:44:33 s 1 -145567.97 1 +338046.50 5580.0 C57
2019-04-17 16:14:33 S 13 05 04.774 -40 43 58.15 V C57
2019-04-17 16:14:33 s 1 -146420.36 5 +337163.41 7820.0 C57
2019-04-17 16:44:33 S 13 05 02.482 -40 43 54.77 V C57
2019-04-17 16:44:33 s 1 -147268.90 2 +336271.56 1440.0 C57
2019-04-17 17:14:33 S 13 04 59.969 -40 43 51.53 V C57
2019-04-17 17:14:33 s 1 -148113.54 9 +335370.94 6300.0 C57
2019-04-17 17:44:33 S 13 04 57.617 -40 43 48.65 V C57
2019-04-17 17:44:33 s 1 -148954.26 8 +334461.53 2250.0 C57
2019-04-17 18:14:33 S 13 04 54.876 -40 43 48.79 V C57
2019-04-17 18:14:33 s 1 -149791.02 6 +333543.33 9150.0 C57
2019-04-17 18:44:33 S 13 04 52.730 -40 43 45.98 V C57
2019-04-17 18:44:33 s 1 -150623.78 4 +332616.33 6840.0 C57
2019-04-17 19:14:33 S 13 04 50.227 -40 43 44.62 V C57
2019-04-17 19:14:33 s 1 -151452.50 7 +331680.52 5200.0 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)