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 01:44:04 S 11 25 29.270 -13 05 14.75 V C57
2021-03-25 01:44:04 s 1 +52267.959 0 +357336.22 2640.0 C57
2021-03-25 01:54:04 S 11 25 28.543 -13 05 13.13 V C57
2021-03-25 01:54:04 s 1 +51900.583 0 +357539.85 4530.0 C57
2021-03-25 02:04:04 S 11 25 28.164 -13 05 13.92 V C57
2021-03-25 02:04:04 s 1 +51533.049 0 +357742.39 6060.0 C57
2021-03-25 02:14:04 S 11 25 27.509 -13 05 08.45 V C57
2021-03-25 02:14:04 s 1 +51165.359 0 +357943.82 7230.0 C57
2021-03-25 02:24:04 S 11 25 26.820 -13 05 09.74 V C57
2021-03-25 02:24:04 s 1 +50797.514 0 +358144.14 8060.0 C57
2021-03-25 02:34:04 S 11 25 26.297 -13 05 06.14 V C57
2021-03-25 02:34:04 s 1 +50429.516 0 +358343.37 8530.0 C57
2021-03-25 02:44:04 S 11 25 25.572 -13 05 04.20 V C57
2021-03-25 02:44:04 s 1 +50061.365 0 +358541.50 8650.0 C57
2021-03-25 02:54:04 S 11 25 25.049 -13 05 03.12 V C57
2021-03-25 02:54:04 s 1 +49693.064 0 +358738.53 8430.0 C57
2021-03-25 03:04:04 S 11 25 24.295 -13 05 00.60 V C57
2021-03-25 03:04:04 s 1 +49324.613 0 +358934.46 7870.0 C57
2021-03-25 03:14:04 S 11 25 24.012 -13 05 01.39 V C57
2021-03-25 03:14:04 s 1 +48956.014 0 +359129.29 6970.0 C57
2021-03-25 03:24:04 S 11 25 23.150 -13 04 59.41 V C57
2021-03-25 03:24:04 s 1 +48587.267 0 +359323.02 5740.0 C57
2021-03-25 03:34:04 S 11 25 22.565 -13 05 01.61 V C57
2021-03-25 03:34:04 s 1 +48218.375 0 +359515.66 4170.0 C57
2021-03-25 03:44:04 S 11 25 22.176 -13 04 59.52 V C57
2021-03-25 03:44:04 s 1 +47849.339 0 +359707.20 2260.0 C57
2021-03-25 03:54:04 S 11 25 21.607 -13 04 52.36 V C57
2021-03-25 03:54:04 s 1 +47480.160 0 +359897.64 30.0 C57
2021-03-25 04:04:04 S 11 25 20.726 -13 04 56.17 V C57
2021-03-25 04:04:04 s 1 +47110.839 0 +360086.99 7480.0 C57
2021-03-25 04:14:04 S 11 25 20.069 -13 04 52.46 V C57
2021-03-25 04:14:04 s 1 +46741.377 0 +360275.24 4600.0 C57
2021-03-25 04:24:04 S 11 25 19.759 -13 04 52.97 V C57
2021-03-25 04:24:04 s 1 +46371.776 0 +360462.41 1400.0 C57
2021-03-25 04:44:04 S 11 25 18.497 -13 04 51.20 V C57
2021-03-25 04:44:04 s 1 +45632.162 0 +360833.45 4050.0 C57
2021-03-25 04:54:04 S 11 25 17.878 -13 04 47.57 V C57
2021-03-25 04:54:04 s 1 +45262.152 0 +361017.33 9900.0 C57
2021-03-25 05:04:04 S 11 25 17.162 -13 04 46.60 V C57
2021-03-25 05:04:04 s 1 +44892.007 0 +361200.13 5440.0 C57
2021-03-25 05:14:04 S 11 25 16.548 -13 04 45.48 V C57
2021-03-25 05:14:04 s 1 +44521.729 0 +361381.83 680.0 C57
2021-03-25 05:24:04 S 11 25 16.162 -13 04 42.31 V C57
2021-03-25 05:24:04 s 1 +44151.320 0 +361562.44 5610.0 C57
2021-03-25 05:34:04 S 11 25 15.557 -13 04 38.14 V C57
2021-03-25 05:34:04 s 1 +43780.780 0 +361741.97 230.0 C57
2021-03-25 05:44:04 S 11 25 14.818 -13 04 40.51 V C57
2021-03-25 05:44:04 s 1 +43410.111 0 +361920.40 4560.0 C57
2021-03-25 05:54:04 S 11 25 14.177 -13 04 40.15 V C57
2021-03-25 05:54:04 s 1 +43039.315 0 +362097.75 8590.0 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)