660096 (1998 SL36)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4181326680 ± 1.39e-08
Semi-major axis (a)1.3907957990 AU ± 2.34e-09
Inclination (i)19.05516015° ± 8.35e-06
Long. of Asc. Node (Ω)353.07272935° ± 5.91e-06
Arg. of Perihelion (ω)116.81162669° ± 6.15e-06
Mean Anomaly (M)133.66588311° ± 5.15e-06
Mean Motion (n)0.6009207780°/day ± 1.51e-09
Perihelion dist (q)0.80925864 AU ± 1.93e-08
Aphelion dist (Q)1.97233296 AU ± 1.96e-08
Orbital Period1.64019338 yr ± 4.13e-09
Physical Parameters
H (abs. magnitude)20.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.282″
Uncertainty0
Orbit TypeApollo
MOID0.021060 AU
Observations Used221
Radar Obs Used3
Oppositions7
Arc Total1998-2022
First Observation Used1998-09-24
Last Observation Used2022-02-07
Observations (242)
Date Type RA Dec Mag Band Observatory
2021-09-24 20:11:31 C 23 47 44.26 +12 20 07.5 V K83
2021-09-24 20:45:48 C 23 47 38.05 +12 21 01.4 V K83
2021-09-26 13:35:01 C 23 40 11.60 +13 25 40.1 V D29
2021-09-26 13:55:23 C 23 40 07.67 +13 26 12.7 V D29
2021-09-26 14:15:45 C 23 40 03.66 +13 26 45.7 V D29
2021-09-27 06:25:22 C 23 36 59.22 +13 52 47.6 U I41
2021-09-27 06:26:43 C 23 36 58.95 +13 52 49.8 U I41
2021-09-27 07:13:04 C 23 36 49.70 +13 54 05.0 U I41
2021-09-27 09:28:43 C 23 36 22.65 +13 57 43.6 U I41
2021-09-27 23:38:55 C 23 33 37.98 +14 20 38.9 V Z99
2021-09-27 23:42:48 C 23 33 37.18 +14 20 44.9 V Z99
2021-09-27 23:46:42 C 23 33 36.40 +14 20 51.2 V Z99
2021-09-27 23:50:35 C 23 33 35.64 +14 20 57.3 V Z99
2021-09-28 09:24:12 C 23 31 42.42 +14 36 51.6 V T08
2021-09-28 09:39:45 C 23 31 39.22 +14 37 17.3 V T08
2021-09-28 09:47:53 C 23 31 37.46 +14 37 29.8 V T08
2021-09-28 09:49:52 C 23 31 37.08 +14 37 33.5 V T08
2021-09-28 09:54:44 C 23 31 36.08 +14 37 41.0 V T08
2021-09-28 10:04:08 C 23 31 34.12 +14 37 57.0 V T08
2021-09-28 10:54:58 C 23 31 23.59 +14 39 20.0 V T08
2021-09-29 06:50:04 C 23 27 24.260 +15 12 06.05 U F52
2021-09-29 07:07:28 C 23 27 20.587 +15 12 35.11 U F52
2021-09-29 07:24:53 C 23 27 16.896 +15 13 04.24 U F52
2021-09-29 07:42:20 C 23 27 13.196 +15 13 33.36 U F52
2021-09-30 06:29:33 C 23 22 29.07 +15 51 15.7 U I41
2021-09-30 07:11:03 C 23 22 20.04 +15 52 24.8 U I41
2021-09-30 07:36:25 C 23 22 14.52 +15 53 06.7 U I41
2021-09-30 07:45:15 C 23 22 12.61 +15 53 21.4 U I41
2021-09-30 09:48:58 C 23 21 46.76 +15 56 54.0 V T05
2021-09-30 09:56:35 C 23 21 45.07 +15 57 06.9 V T05
2021-09-30 10:01:11 C 23 21 44.07 +15 57 14.3 V T05
2021-09-30 10:15:15 C 23 21 41.01 +15 57 37.8 V T05
2021-09-30 15:32:22 C 23 20 34.18 +16 06 19.9 V D29
2021-09-30 16:13:06 C 23 20 25.22 +16 07 27.6 V D29
2021-10-03 04:25:23 C 23 07 16.03 +17 48 11.3 V 703
2021-10-03 04:32:57 C 23 07 14.29 +17 48 24.6 V 703
2021-10-03 04:40:32 C 23 07 12.53 +17 48 37.6 V 703
2021-10-03 04:48:06 C 23 07 10.74 +17 48 49.1 V 703
2021-10-04 05:33:18 C 23 01 33.990 +18 30 16.49 U F51
2021-10-04 05:52:09 C 23 01 29.528 +18 30 48.49 U F51
2021-10-04 06:10:58 C 23 01 25.071 +18 31 20.36 U F51
2021-10-04 06:29:44 C 23 01 20.616 +18 31 52.04 U F51
2021-10-04 09:06:39 C 23 00 43.15 +18 36 15.3 V T05
2021-10-04 09:12:52 C 23 00 41.63 +18 36 26.0 V T05
2021-10-04 09:21:35 C 23 00 39.57 +18 36 39.5 V T05
2021-10-04 09:36:09 C 23 00 36.07 +18 37 03.9 V T05
2021-10-05 05:55:22 C 22 55 54.842 +19 10 49.79 U F51
2021-10-05 06:36:40 C 22 55 44.872 +19 11 59.06 U F51
2021-10-05 06:57:23 C 22 55 39.851 +19 12 33.81 U F51
2021-10-06 18:14:52 C 22 47 18.65 +20 10 26.1 V L18
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-03-12 20:40:00 705814.523 2 Hz 8560 -14 -14
2017-03-12 21:20:00 38031004.755 10 us 8560 -14 -14
2017-03-12 21:40:00 37932983.967 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)