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
2021-03-13 21:34:05 s 1 -58173.648 0 +374476.00 680.0 C57
2021-03-13 21:44:05 S 11 42 19.061 -13 36 21.42 V C57
2021-03-13 21:44:05 s 1 -58534.251 0 +374398.19 3810.0 C57
2021-03-13 21:54:05 S 11 42 18.898 -13 36 17.10 V C57
2021-03-13 21:54:05 s 1 -58894.711 0 +374319.38 6730.0 C57
2021-03-13 22:04:05 S 11 42 17.964 -13 36 20.70 V C57
2021-03-13 22:04:05 s 1 -59255.026 0 +374239.58 9420.0 C57
2021-03-13 22:14:05 S 11 42 17.227 -13 36 19.15 V C57
2021-03-13 22:14:05 s 1 -59615.195 0 +374158.78 1900.0 C57
2021-03-13 22:24:05 S 11 42 16.603 -13 36 17.78 V C57
2021-03-13 22:24:05 s 1 -59975.218 0 +374076.99 4150.0 C57
2021-03-13 23:14:05 S 11 42 13.277 -13 36 12.49 V C57
2021-03-13 23:14:05 s 1 -61773.100 0 +373653.11 2020.0 C57
2021-03-13 23:44:05 S 11 42 11.266 -13 36 20.23 V C57
2021-03-13 23:44:05 s 1 -62850.009 0 +373386.85 3940.0 C57
2021-03-13 23:54:05 S 11 42 11.062 -13 36 14.18 V C57
2021-03-13 23:54:05 s 1 -63208.669 0 +373296.11 4100.0 C57
2021-03-14 00:04:05 S 11 42 10.548 -13 36 12.53 V C57
2021-03-14 00:04:05 s 1 -63567.173 0 +373204.37 4020.0 C57
2021-03-14 00:14:05 S 11 42 09.480 -13 36 13.03 V C57
2021-03-14 00:14:05 s 1 -63925.519 0 +373111.64 3700.0 C57
2021-03-14 00:24:05 S 11 42 08.858 -13 36 15.95 V C57
2021-03-14 00:24:05 s 1 -64283.707 0 +373017.91 3130.0 C57
2021-03-14 00:54:05 S 11 42 07.068 -13 36 08.64 V C57
2021-03-14 00:54:05 s 1 -65357.313 0 +372730.77 9920.0 C57
2021-03-14 01:14:05 S 11 42 05.796 -13 36 08.17 V C57
2021-03-14 01:14:05 s 1 -66072.240 0 +372534.36 6510.0 C57
2021-03-14 01:24:05 S 11 42 05.282 -13 36 07.20 V C57
2021-03-14 01:24:05 s 1 -66429.458 0 +372434.67 4420.0 C57
2021-03-14 01:34:05 S 11 42 04.433 -13 36 09.04 V C57
2021-03-14 01:34:05 s 1 -66786.511 0 +372333.98 2070.0 C57
2021-03-14 01:44:05 S 11 42 03.857 -13 36 08.50 V C57
2021-03-14 01:44:05 s 1 -67143.397 0 +372232.30 9460.0 C57
2021-03-14 01:54:05 S 11 42 03.526 -13 36 08.50 V C57
2021-03-14 01:54:05 s 1 -67500.116 0 +372129.62 6580.0 C57
2021-03-14 02:04:05 S 11 42 02.508 -13 36 09.11 V C57
2021-03-14 02:04:05 s 1 -67856.668 0 +372025.95 3440.0 C57
2021-03-14 02:14:05 S 11 42 02.014 -13 36 06.77 V C57
2021-03-14 02:14:05 s 1 -68213.049 0 +371921.28 20.0 C57
2021-03-14 02:24:05 S 11 42 01.704 -13 36 07.16 V C57
2021-03-14 02:24:05 s 1 -68569.261 0 +371815.62 6340.0 C57
2021-03-14 02:34:05 S 11 42 00.456 -13 36 05.90 V C57
2021-03-14 02:34:05 s 1 -68925.302 0 +371708.97 2390.0 C57
2021-03-14 02:44:05 S 11 42 00.002 -13 36 07.81 V C57
2021-03-14 02:44:05 s 1 -69281.170 0 +371601.32 8160.0 C57
2021-03-14 02:54:05 S 11 41 59.441 -13 36 03.06 V C57
2021-03-14 02:54:05 s 1 -69636.866 0 +371492.67 3650.0 C57
2021-03-14 03:04:05 S 11 41 58.886 -13 36 00.61 V C57
2021-03-14 03:04:05 s 1 -69992.387 0 +371383.03 8870.0 C57
2021-03-14 03:14:05 S 11 41 58.339 -13 36 03.82 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)