136849 (1998 CS1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5782683534 ± 1.48e-08
Semi-major axis (a)1.4915071025 AU ± 9.26e-10
Inclination (i)7.79146520° ± 2.71e-06
Long. of Asc. Node (Ω)110.66795390° ± 4.37e-06
Arg. of Perihelion (ω)97.81181498° ± 5.15e-06
Mean Anomaly (M)61.05048045° ± 3.12e-06
Mean Motion (n)0.5410959551°/day ± 5.04e-10
Perihelion dist (q)0.62901575 AU ± 2.21e-08
Aphelion dist (Q)2.35399846 AU ± 2.22e-08
Orbital Period1.82153696 yr ± 1.70e-09
Physical Parameters
H (abs. magnitude)17.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.341″
Uncertainty0
Orbit TypeApollo
MOID0.019663 AU
Observations Used705
Radar Obs Used3
Oppositions5
Arc Total1998-2025
First Observation Used1998-02-09
Last Observation Used2025-02-15
Observations (785)
Date Type RA Dec Mag Band Observatory
2020-01-04 12:36:40 C 14 42 31.33 -10 15 49.8 V 703
2020-01-04 12:42:34 C 14 42 33.41 -10 15 56.2 V 703
2020-01-04 12:48:28 C 14 42 35.51 -10 16 03.8 V 703
2020-01-04 12:54:22 C 14 42 37.59 -10 16 10.8 V 703
2020-08-18 10:25:21 C 01 52 29.52 -00 21 55.9 V G96
2020-08-18 10:40:10 C 01 52 29.19 -00 22 04.5 V G96
2020-08-18 10:47:35 C 01 52 29.05 -00 22 06.8 V G96
2020-08-18 12:16:16 C 01 52 27.953 -00 22 36.48 U F51
2020-08-18 12:53:48 C 01 52 27.354 -00 22 49.43 U F51
2020-08-18 13:10:28 C 01 52 27.083 -00 22 55.40 U F51
2020-08-23 13:01:31 C 01 50 12.162 -01 07 30.71 U F52
2020-08-23 13:17:23 C 01 50 11.765 -01 07 37.03 U F52
2020-08-23 13:33:15 C 01 50 11.378 -01 07 43.20 U F52
2020-09-09 14:12:32 C 01 34 52.733 -04 14 34.18 U F51
2020-09-09 14:38:37 C 01 34 51.347 -04 14 47.33 U F51
2020-09-09 14:51:37 C 01 34 50.654 -04 14 53.87 U F51
2020-09-10 10:44:16 C 01 33 48.93 -04 24 57.7 V G96
2020-09-10 10:51:42 C 01 33 48.56 -04 25 01.8 V G96
2020-09-10 10:59:07 C 01 33 48.13 -04 25 05.6 V G96
2020-09-13 12:13:43 C 01 29 48.356 -05 02 24.81 U F51
2020-09-13 12:30:55 C 01 29 47.350 -05 02 33.61 U F51
2020-09-13 12:48:06 C 01 29 46.335 -05 02 42.42 U F51
2020-09-13 13:05:14 C 01 29 45.336 -05 02 51.25 U F51
2020-09-14 08:55:55 C 01 28 37.592 -05 13 01.54 U F51
2020-09-14 09:15:34 C 01 28 36.429 -05 13 11.65 U F51
2020-09-14 09:35:21 C 01 28 35.259 -05 13 21.81 U F51
2020-09-14 09:55:14 C 01 28 34.077 -05 13 32.05 U F51
2020-09-15 10:06:10 C 01 27 08.88 -05 25 58.1 V G96
2020-09-15 10:13:38 C 01 27 08.44 -05 26 01.7 V G96
2020-09-15 10:21:04 C 01 27 07.98 -05 26 05.6 V G96
2020-09-15 10:28:30 C 01 27 07.53 -05 26 09.8 V G96
2020-09-23 08:58:57 C 01 15 05.08 -07 02 34.7 V G96
2020-09-23 09:07:08 C 01 15 04.50 -07 02 38.8 V G96
2020-09-23 09:15:16 C 01 15 03.95 -07 02 42.7 V G96
2020-09-23 09:23:23 C 01 15 03.42 -07 02 46.9 V G96
2020-10-09 06:15:49 C 00 48 59.20 -09 45 44.9 V G96
2020-10-09 06:23:14 C 00 48 58.68 -09 45 47.2 V G96
2020-10-09 06:30:40 C 00 48 58.17 -09 45 49.7 V G96
2020-10-09 06:38:06 C 00 48 57.68 -09 45 52.5 V G96
2020-10-10 09:14:40 C 00 47 11.304 -09 54 48.60 U F51
2020-10-10 09:31:26 C 00 47 10.162 -09 54 54.07 U F51
2020-10-10 09:48:12 C 00 47 09.017 -09 54 59.66 U F51
2020-10-14 07:25:45 C 00 41 05.322 -10 23 24.35 U F51
2020-10-14 07:46:56 C 00 41 03.947 -10 23 30.28 U F51
2020-10-14 08:08:13 C 00 41 02.570 -10 23 36.25 U F51
2020-10-14 08:29:41 C 00 41 01.176 -10 23 42.21 U F51
2020-10-15 11:14:21 C 00 39 20.515 -10 30 53.83 U F51
2020-10-15 11:15:32 C 00 39 20.432 -10 30 54.09 U F51
2020-10-15 11:40:56 C 00 39 18.817 -10 31 00.62 U F51
2020-10-15 12:05:14 C 00 39 17.275 -10 31 06.87 U F51
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2009-01-13 09:50:00 54746571.67 5 us 8560 -14 -14
2009-01-14 06:40:00 47122758.63 5 us 8560 -14 -14
2009-01-17 09:37:00 29259325.14 1 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)