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
2017-09-02 06:11:38 C 20 51 31.31 +09 18 14.9 q W63
2017-09-02 06:12:41 C 20 51 30.88 +09 18 38.1 q W63
2017-09-02 13:16:18 C 20 48 50.36 +11 58 51.0 v Q62
2017-09-02 13:17:33 C 20 48 49.81 +11 59 19.5 v Q62
2017-09-02 13:18:45 C 20 48 49.28 +11 59 46.0 v Q62
2017-09-02 15:43:05 C 20 48 02.84 +12 50 19.0 q C97
2017-09-02 15:45:04 C 20 48 01.88 +12 51 05.3 q C97
2017-09-02 15:56:43 C 20 47 57.00 +12 55 24.4 q C97
2017-09-02 15:58:31 C 20 47 56.26 +12 56 02.4 q C97
2017-09-02 16:03:11 C 20 47 54.22 +12 57 45.5 q C97
2017-09-02 16:14:04 C 20 47 49.33 +13 01 43.8 q C97
2017-09-02 16:53:15 C 20 47 30.46 +13 14 40.7 q 168
2017-09-02 17:03:15 C 20 47 26.18 +13 18 21.2 q 168
2017-09-02 17:13:15 C 20 47 21.99 +13 22 02.0 q 168
2017-09-02 17:33:15 C 20 47 13.56 +13 29 22.6 q 168
2017-09-02 17:43:15 C 20 47 09.32 +13 33 02.5 q 168
2017-09-02 17:53:24 C 20 47 05.04 +13 36 45.3 q 168
2017-09-02 18:09:46 C 20 46 58.35 +13 44 17.3 q C97
2017-09-02 18:14:46 C 20 46 56.00 +13 44 34.7 q 168
2017-09-02 18:18:03 C 20 46 54.64 +13 47 24.1 q C97
2017-09-02 18:19:57 C 20 46 53.92 +13 48 03.0 q C97
2017-09-02 18:21:10 C 20 46 53.16 +13 48 25.7 q C97
2017-09-02 18:23:12 C 20 46 52.44 +13 47 39.8 q 168
2017-09-02 18:24:21 C 20 46 51.82 +13 49 40.8 q C97
2017-09-02 18:26:34 C 20 46 50.85 +13 50 28.5 q C97
2017-09-02 18:27:45 C 20 46 50.52 +13 49 19.2 q 168
2017-09-02 18:29:01 C 20 46 49.76 +13 51 19.8 q C97
2017-09-02 18:30:42 C 20 46 49.06 +13 51 55.9 q C97
2017-09-02 18:31:55 C 20 46 48.50 +13 52 22.7 q C97
2017-09-02 18:47:45 C 20 46 42.08 +13 56 37.7 q 168
2017-09-02 18:56:45 C 20 46 42.75 +14 00 27.8 q L21
2017-09-02 18:57:29 C 20 46 42.43 +14 00 44.5 q L21
2017-09-02 18:57:45 C 20 46 37.84 +14 00 16.6 q 168
2017-09-02 18:58:14 C 20 46 42.09 +14 01 00.7 q L21
2017-09-02 18:59:00 C 20 46 41.77 +14 01 17.1 q L21
2017-09-02 18:59:34 C 20 46 45.22 +14 01 28.1 9.2 q 006
2017-09-02 18:59:48 C 20 46 41.40 +14 01 34.8 q L21
2017-09-02 19:00:33 C 20 46 41.08 +14 01 51.0 q L21
2017-09-02 19:01:18 C 20 46 40.77 +14 02 08.1 q L21
2017-09-02 19:02:09 C 20 46 40.41 +14 02 26.5 q L21
2017-09-02 19:03:00 C 20 46 40.04 +14 02 44.7 q L21
2017-09-02 19:03:45 C 20 46 39.72 +14 03 01.4 q L21
2017-09-02 19:04:05 C 20 46 43.30 +14 03 07.6 9.0 q 006
2017-09-02 19:04:30 C 20 46 39.38 +14 03 17.8 q L21
2017-09-02 19:04:50 C 20 46 42.98 +14 03 24.4 9.1 q 006
2017-09-02 19:05:15 C 20 46 39.06 +14 03 34.3 q L21
2017-09-02 19:06:01 C 20 46 38.76 +14 03 50.8 q L21
2017-09-02 19:06:47 C 20 46 38.42 +14 04 07.8 q L21
2017-09-02 19:07:05 C 20 46 42.03 +14 04 13.9 9.1 q 006
2017-09-02 19:07:32 C 20 46 38.08 +14 04 24.5 q L21
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)