1998 KY26

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2001091212 ± 1.94e-07
Semi-major axis (a)1.2288685535 AU ± 2.18e-07
Inclination (i)1.49115162° ± 2.86e-06
Long. of Asc. Node (Ω)84.18285917° ± 5.05e-05
Arg. of Perihelion (ω)210.00296809° ± 6.72e-05
Mean Anomaly (M)0.98343339° ± 8.41e-06
Mean Motion (n)0.7235259795°/day ± 1.92e-07
Perihelion dist (q)0.98296075 AU ± 2.95e-07
Aphelion dist (Q)1.47477636 AU ± 3.54e-07
Orbital Period1.36225417 yr ± 3.62e-07
NGA Modelr2
A11.27395842e-10 ± 3.01e-11 AU/d²
A2-1.59877008e-13 ± 3.65e-14 AU/d²
A31.20924829e-11 ± 8.68e-13 AU/d²
Physical Parameters
H (abs. magnitude)25.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.449″
Uncertainty0
Orbit TypeApollo
MOID0.002874 AU
Observations Used251
Radar Obs Used4
Oppositions1
Arc Total1998-2024
First Observation Used1998-05-28
Last Observation Used2024-06-03
Observations (257)
Date Type RA Dec Mag Band Observatory
1998-06-02 00:43:13 C 15 53 48.285 -00 07 31.56 V 557
1998-06-02 02:56:18 C 15 55 07.49 -00 01 06.1 z 817
1998-06-02 03:01:02 C 15 55 09.07 -00 00 54.3 z 817
1998-06-02 03:05:12 C 15 55 10.50 -00 00 43.4 z 817
1998-06-02 03:07:44 C 15 55 14.11 -00 00 36.3 17.1 784
1998-06-02 03:09:26 C 15 55 11.92 -00 00 32.6 z 817
1998-06-02 03:11:00 C 15 55 15.22 -00 00 28.0 17.2 784
1998-06-02 03:13:58 C 15 55 16.25 -00 00 19.8 16.9 784
1998-06-02 03:17:27 C 15 55 17.45 -00 00 10.8 17.0 784
1998-06-02 03:21:12 C 15 55 18.74 -00 00 01.1 17.0 784
1998-06-02 03:26:00 C 15 55 20.40 +00 00 11.2 17.1 784
1998-06-02 04:10:18 c 15 55 51.95 +00 03 22.0 i 691
1998-06-02 04:16:26 c 15 55 54.15 +00 03 38.2 i 691
1998-06-02 04:22:35 c 15 55 56.28 +00 03 54.3 i 691
1998-06-02 12:30:06 C 15 59 46.35 +00 36 01.6 426
1998-06-02 12:36:11 C 15 59 48.60 +00 36 19.5 426
1998-06-02 12:41:23 C 15 59 50.58 +00 36 35.3 426
1998-06-02 12:45:59 C 15 59 52.37 +00 36 48.3 426
1998-06-02 21:09:12 C 16 04 18.464 +00 50 33.33 V 557
1998-06-02 21:17:42 C 16 04 22.373 +00 51 00.67 V 557
1998-06-02 21:31:54 C 16 04 28.945 +00 51 46.40 V 557
1998-06-02 21:34:27 C 16 04 30.140 +00 51 54.39 V 557
1998-06-02 21:46:21 C 16 04 35.642 +00 52 33.39 V 557
1998-06-02 22:34:01 C 16 04 57.96 +00 55 15.3 046
1998-06-02 22:35:03 C 16 04 58.50 +00 55 19.0 046
1998-06-02 22:35:56 C 16 04 58.89 +00 55 21.7 046
1998-06-02 22:36:54 C 16 04 59.34 +00 55 24.6 046
1998-06-02 22:37:51 C 16 04 59.79 +00 55 28.1 046
1998-06-02 23:07:42 C 16 05 13.597 +00 56 59.36 V 557
1998-06-02 23:15:20 C 16 05 17.209 +00 57 24.31 V 557
1998-06-03 00:05:15 C 16 05 41.250 +01 00 10.16 V 557
1998-06-03 00:30:44 C 16 05 53.760 +01 01 34.99 V 557
1998-06-03 04:50:00 C 16 09 00.50 +01 18 51.5 b 709
1998-06-03 04:52:25 C 16 09 01.70 +01 19 00.2 b 709
1998-06-03 04:56:00 C 16 09 03.45 +01 19 13.0 b 709
1998-06-03 04:58:36 C 16 09 04.77 +01 19 22.7 b 709
1998-06-03 05:02:17 C 16 09 06.56 +01 19 36.0 b 709
1998-06-03 05:04:18 C 16 09 07.57 +01 19 43.2 b 709
1998-06-03 05:10:24 C 16 09 10.92 +01 19 58.1 18.0 a 704
1998-06-03 05:28:39 C 16 09 19.91 +01 21 03.4 18.0 a 704
1998-06-03 05:46:52 C 16 09 28.92 +01 22 08.5 17.9 a 704
1998-06-03 06:05:04 C 16 09 37.83 +01 23 15.5 17.9 a 704
1998-06-03 06:23:20 C 16 09 46.93 +01 24 22.8 17.7 a 704
1998-06-03 23:48:32 C 16 22 27.10 +02 34 07.8 046
1998-06-03 23:49:54 C 16 22 28.07 +02 34 14.0 046
1998-06-03 23:52:17 C 16 22 29.79 +02 34 25.2 046
1998-06-03 23:53:08 C 16 22 30.36 +02 34 29.3 046
1998-06-04 14:45:02 C 16 37 05.58 +03 54 06.4 16.6 327
1998-06-04 14:48:07 C 16 37 08.44 +03 54 25.5 327
1998-06-04 14:52:39 C 16 37 12.58 +03 54 52.5 327
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1998-06-06 03:40:00 201145.6 3 Hz 8510 -13 -14
1998-06-07 14:00:00 5617378.24 0.2 us 8510 -13 -14
1998-06-08 12:30:00 5386764.1 10 us 8510 -13 -14
1998-06-08 12:30:00 -37380 3 Hz 8510 -13 -14
Station codes
-14 DSS-14 Goldstone (70-m) -13 DSS-13 Goldstone (34-m)