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
2021-03-31 07:54:04 s 1 -188300.45 2 +105797.13 9160.0 C57
2021-03-31 08:04:04 S 11 16 21.893 -12 41 15.50 V C57
2021-03-31 08:04:04 s 1 -188166.87 4 +104971.00 9170.0 C57
2021-03-31 08:34:04 S 11 16 19.608 -12 41 10.36 V C57
2021-03-31 08:34:04 s 1 -187750.52 7 +102483.89 9050.0 C57
2021-03-31 08:44:04 S 11 16 19.056 -12 41 06.61 V C57
2021-03-31 08:44:04 s 1 -187606.48 3 +101651.97 8850.0 C57
2021-03-31 08:54:04 S 11 16 18.535 -12 41 02.98 V C57
2021-03-31 08:54:04 s 1 -187459.78 1 +100818.59 3500.0 C57
2021-03-31 09:04:04 S 11 16 18.226 -12 41 01.10 V C57
2021-03-31 09:04:04 s 1 -187310.40 2 +99983.785 2980.0 C57
2021-03-31 09:24:04 S 11 16 17.081 -12 40 59.23 V C57
2021-03-31 09:24:04 s 1 -187003.54 8 +98309.836 6280.0 C57
2021-03-31 09:44:04 S 11 16 15.480 -12 40 59.05 V C57
2021-03-31 09:44:04 s 1 -186685.78 0 +96630.136 8480.0 C57
2021-03-31 10:04:04 S 11 16 14.616 -12 40 53.00 V C57
2021-03-31 10:04:04 s 1 -186356.95 4 +94944.699 9300.0 C57
2021-03-31 10:14:04 S 11 16 13.740 -12 40 50.30 V C57
2021-03-31 10:14:04 s 1 -186188.34 9 +94099.833 1600.0 C57
2021-03-31 10:24:04 S 11 16 13.274 -12 40 49.51 V C57
2021-03-31 10:24:04 s 1 -186016.92 4 +93253.539 8450.0 C57
2021-03-31 10:34:04 S 11 16 12.634 -12 40 43.03 V C57
2021-03-31 10:34:04 s 1 -185842.66 1 +92405.819 9800.0 C57
2021-03-31 10:44:04 S 11 16 12.238 -12 40 44.26 V C57
2021-03-31 10:44:04 s 1 -185665.54 2 +91556.674 5630.0 C57
2021-03-31 11:04:04 S 11 16 10.740 -12 40 36.70 V C57
2021-03-31 11:04:04 s 1 -185302.65 6 +89854.123 550.0 C57
2021-03-31 11:14:04 S 11 16 10.222 -12 40 35.90 V C57
2021-03-31 11:14:04 s 1 -185116.85 1 +89000.721 9570.0 C57
2021-03-31 11:24:04 S 11 16 09.384 -12 40 35.80 V C57
2021-03-31 11:24:04 s 1 -184928.11 2 +88145.904 2920.0 C57
2021-03-31 11:34:04 S 11 16 08.988 -12 40 34.14 V C57
2021-03-31 11:34:04 s 1 -184736.41 9 +87289.676 540.0 C57
2021-03-31 11:44:04 S 11 16 08.424 -12 40 30.07 V C57
2021-03-31 11:44:04 s 1 -184541.75 2 +86432.039 2410.0 C57
2021-03-31 12:04:04 S 11 16 07.140 -12 40 26.36 V C57
2021-03-31 12:04:04 s 1 -184143.41 7 +84712.550 8720.0 C57
2021-03-31 12:14:04 S 11 16 06.665 -12 40 26.40 V C57
2021-03-31 12:14:04 s 1 -183939.70 8 +83850.705 3070.0 C57
2021-03-31 12:24:04 S 11 16 05.870 -12 40 22.08 V C57
2021-03-31 12:24:04 s 1 -183732.94 3 +82987.463 1520.0 C57
2021-03-31 12:34:04 S 11 16 05.270 -12 40 23.56 V C57
2021-03-31 12:34:04 s 1 -183523.10 3 +82122.828 4000.0 C57
2021-03-31 12:44:04 S 11 16 04.531 -12 40 23.77 V C57
2021-03-31 12:44:04 s 1 -183310.16 4 +81256.802 490.0 C57
2021-03-31 12:54:04 S 11 16 04.008 -12 40 19.74 V C57
2021-03-31 12:54:04 s 1 -183094.10 7 +80389.391 930.0 C57
2021-03-31 13:04:04 S 11 16 03.262 -12 40 17.76 V C57
2021-03-31 13:04:04 s 1 -182874.91 0 +79520.598 5300.0 C57
2021-03-31 13:24:04 S 11 16 02.294 -12 40 14.12 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)