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
2021-03-11 05:34:05 S 11 46 19.598 -13 39 07.74 V C57
2021-03-11 05:34:05 s 1 +81460.928 0 +328153.37 6440.0 C57
2021-03-11 05:44:05 S 11 46 18.734 -13 39 02.95 V C57
2021-03-11 05:44:05 s 1 +81121.947 0 +328485.10 8560.0 C57
2021-03-11 05:54:05 S 11 46 18.262 -13 39 02.23 V C57
2021-03-11 05:54:05 s 1 +80782.659 0 +328815.62 9970.0 C57
2021-03-11 06:04:05 S 11 46 17.642 -13 39 01.51 V C57
2021-03-11 06:04:05 s 1 +80443.067 0 +329144.93 660.0 C57
2021-03-11 06:34:05 S 11 46 15.730 -13 39 07.02 V C57
2021-03-11 06:34:05 s 1 +79422.483 0 +330125.58 8540.0 C57
2021-03-11 06:44:05 S 11 46 15.576 -13 39 05.04 V C57
2021-03-11 06:44:05 s 1 +79081.691 0 +330450.04 6430.0 C57
2021-03-11 06:54:05 S 11 46 14.618 -13 38 59.93 V C57
2021-03-11 06:54:05 s 1 +78740.604 0 +330773.29 3640.0 C57
2021-03-11 07:14:05 S 11 46 13.514 -13 39 02.66 V C57
2021-03-11 07:14:05 s 1 +78057.552 0 +331416.19 6000.0 C57
2021-03-11 07:24:05 S 11 46 12.614 -13 39 04.43 V C57
2021-03-11 07:24:05 s 1 +77715.590 0 +331735.83 1150.0 C57
2021-03-11 07:34:05 S 11 46 12.384 -13 39 03.56 V C57
2021-03-11 07:34:05 s 1 +77373.339 0 +332054.26 5630.0 C57
2021-03-11 07:44:05 S 11 46 11.784 -13 39 00.32 V C57
2021-03-11 07:44:05 s 1 +77030.803 0 +332371.50 9440.0 C57
2021-03-11 07:46:53 C 11 45 50.95 -13 39 33.5 V 703
2021-03-11 07:54:32 C 11 45 50.41 -13 39 33.0 V 703
2021-03-11 08:02:11 C 11 45 49.97 -13 39 32.7 V 703
2021-03-11 08:09:51 C 11 45 49.46 -13 39 32.2 V 703
2021-03-11 08:14:05 S 11 46 09.902 -13 38 59.93 V C57
2021-03-11 08:14:05 s 1 +76001.492 0 +333316.01 6880.0 C57
2021-03-11 08:24:05 S 11 46 09.103 -13 38 54.17 V C57
2021-03-11 08:24:05 s 1 +75657.828 0 +333628.45 8030.0 C57
2021-03-11 08:54:05 S 11 46 07.426 -13 38 58.85 V C57
2021-03-11 08:54:05 s 1 +74625.176 0 +334558.62 7600.0 C57
2021-03-11 09:04:05 S 11 46 06.893 -13 38 58.02 V C57
2021-03-11 09:04:05 s 1 +74280.412 0 +334866.28 6160.0 C57
2021-03-11 09:14:05 S 11 46 06.202 -13 38 56.04 V C57
2021-03-11 09:14:05 s 1 +73935.377 0 +335172.76 4090.0 C57
2021-03-11 09:24:05 S 11 46 05.474 -13 38 54.71 V C57
2021-03-11 09:24:05 s 1 +73590.073 0 +335478.05 1370.0 C57
2021-03-11 09:34:05 S 11 46 05.124 -13 38 57.70 V C57
2021-03-11 09:34:05 s 1 +73244.502 0 +335782.15 8030.0 C57
2021-03-11 09:54:05 S 11 46 03.854 -13 38 59.57 V C57
2021-03-11 09:54:05 s 1 +72552.565 0 +336386.80 9450.0 C57
2021-03-11 10:04:05 S 11 46 03.408 -13 38 58.42 V C57
2021-03-11 10:04:05 s 1 +72206.203 0 +336687.34 4230.0 C57
2021-03-11 10:14:05 S 11 46 02.460 -13 38 57.19 V C57
2021-03-11 10:14:05 s 1 +71859.580 0 +336986.71 8390.0 C57
2021-03-11 10:24:05 S 11 46 02.059 -13 38 55.32 V C57
2021-03-11 10:24:05 s 1 +71512.698 0 +337284.88 1940.0 C57
2021-03-11 10:34:05 S 11 46 01.363 -13 38 56.65 V C57
2021-03-11 10:34:05 s 1 +71165.559 0 +337581.88 4870.0 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)