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
2021-03-19 09:13:09 C 11 33 36.56 -13 23 48.7 V T08
2021-03-19 09:17:47 C 11 33 36.27 -13 23 48.1 V T08
2021-03-19 09:25:06 C 11 33 35.78 -13 23 47.1 V T08
2021-03-19 09:34:24 C 11 33 35.19 -13 23 46.3 V T08
2021-03-20 00:34:19 C 11 32 38.46 -13 21 59.9 o Z22
2021-03-20 01:16:16 C 11 32 35.70 -13 21 56.2 o Z22
2021-03-20 01:57:53 C 11 32 32.99 -13 21 51.3 o Z22
2021-03-20 06:03:43 C 11 32 17.75 -13 21 22.3 U I41
2021-03-20 07:01:25 C 11 32 14.04 -13 21 15.3 U I41
2021-03-20 10:36:17 C 11 32 00.433 -13 20 48.06 U F51
2021-03-20 10:52:09 C 11 31 59.411 -13 20 46.12 U F51
2021-03-20 11:07:57 C 11 31 58.393 -13 20 44.15 U F51
2021-03-21 09:11:50 C 11 30 35.53 -13 17 57.7 V T05
2021-03-21 09:14:28 C 11 30 35.36 -13 17 57.3 V T05
2021-03-21 09:23:49 C 11 30 34.75 -13 17 56.0 V T05
2021-03-21 22:34:04 S 11 29 54.869 -13 15 13.14 V C57
2021-03-21 22:34:04 s 1 +168000.18 9 +135073.10 3570.0 C57
2021-03-22 00:04:04 S 11 29 49.759 -13 15 00.90 V C57
2021-03-22 00:04:04 s 1 +167844.88 5 +142564.45 1220.0 C57
2021-03-22 00:14:04 S 11 29 49.063 -13 14 58.52 V C57
2021-03-22 00:14:04 s 1 +167816.50 8 +143387.52 6690.0 C57
2021-03-22 00:24:04 S 11 29 48.374 -13 14 57.44 V C57
2021-03-22 00:24:04 s 1 +167785.96 2 +144208.73 7870.0 C57
2021-03-22 00:34:04 S 11 29 48.122 -13 14 55.28 V C57
2021-03-22 00:34:04 s 1 +167753.26 4 +145028.08 4770.0 C57
2021-03-22 00:54:04 S 11 29 46.781 -13 14 49.45 V C57
2021-03-22 00:54:04 s 1 +167681.46 9 +146661.25 5870.0 C57
2021-03-22 02:04:04 S 11 29 42.866 -13 14 44.20 V C57
2021-03-22 02:04:04 s 1 +167364.52 1 +152319.28 9320.0 C57
2021-03-22 02:24:04 S 11 29 41.712 -13 14 44.59 V C57
2021-03-22 02:24:04 s 1 +167255.66 8 +153919.34 6800.0 C57
2021-03-22 02:34:04 S 11 29 41.122 -13 14 39.52 V C57
2021-03-22 02:34:04 s 1 +167198.26 0 +154716.63 4610.0 C57
2021-03-22 03:04:04 S 11 29 39.470 -13 14 33.86 V C57
2021-03-22 03:04:04 s 1 +167014.27 2 +157097.56 4640.0 C57
2021-03-22 03:24:04 S 11 29 38.215 -13 14 34.26 V C57
2021-03-22 03:24:04 s 1 +166881.94 1 +158675.75 5420.0 C57
2021-03-22 03:54:04 S 11 29 36.346 -13 14 31.52 V C57
2021-03-22 03:54:04 s 1 +166669.19 2 +161029.45 8190.0 C57
2021-03-22 04:04:04 S 11 29 35.738 -13 14 24.97 V C57
2021-03-22 04:04:04 s 1 +166594.52 6 +161810.39 1640.0 C57
2021-03-22 04:14:04 S 11 29 35.496 -13 14 25.73 V C57
2021-03-22 04:14:04 s 1 +166518.00 4 +162589.54 1400.0 C57
2021-03-22 04:34:04 S 11 29 34.186 -13 14 23.60 V C57
2021-03-22 04:34:04 s 1 +166359.44 6 +164142.43 9920.0 C57
2021-03-22 04:44:04 S 11 29 33.802 -13 14 25.40 V C57
2021-03-22 04:44:04 s 1 +166277.43 4 +164916.17 8730.0 C57
2021-03-22 05:04:04 S 11 29 32.542 -13 14 20.58 V C57
2021-03-22 05:04:04 s 1 +166108.00 2 +166458.29 5570.0 C57
2021-03-22 05:14:04 S 11 29 31.850 -13 14 19.03 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)