10636 (1998 QK56)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5128236673 ± 6.48e-09
Semi-major axis (a)1.8846652311 AU ± 8.39e-10
Inclination (i)13.57493365° ± 2.43e-06
Long. of Asc. Node (Ω)172.91586272° ± 2.88e-06
Arg. of Perihelion (ω)286.34427389° ± 3.19e-06
Mean Anomaly (M)151.60519151° ± 9.37e-07
Mean Motion (n)0.3809438338°/day ± 2.54e-10
Perihelion dist (q)0.91816430 AU ± 1.22e-08
Aphelion dist (Q)2.85116617 AU ± 1.23e-08
Orbital Period2.58732704 yr ± 1.73e-09
Physical Parameters
H (abs. magnitude)17.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.238″
Uncertainty0
Orbit TypeApollo
MOID0.110777 AU
Observations Used786
Radar Obs Used1
Oppositions38
Arc Total1955-2025
First Observation Used1955-05-16
Last Observation Used2025-06-25
Observations (883)
Date Type RA Dec Mag Band Observatory
1955-05-16 04:30:59 13 06 53.13 +11 17 06.2 261
1955-05-16 05:21:00 13 06 53.03 +11 16 58.1 261
1986-03-06 09:31:14 A 12 30 36.56 -08 34 20.0 16.5 675
1986-03-06 10:06:59 A 12 30 35.08 -08 32 19.8 675
1986-03-11 04:32:30 A 12 27 00.92 -02 41 35.7 809
1986-03-11 04:59:30 A 12 26 59.83 -02 40 46.3 809
1998-08-28 08:31:31 C 02 29 44.78 +10 46 34.3 18.8 a 704
1998-08-28 08:44:26 C 02 29 46.09 +10 46 32.7 19.5 a 704
1998-08-28 08:58:05 C 02 29 47.52 +10 46 29.4 19.3 a 704
1998-08-28 09:11:51 C 02 29 48.90 +10 46 25.0 19.1 a 704
1998-08-29 08:05:22 C 02 32 17.08 +10 40 34.8 19.0 a 704
1998-08-29 08:21:01 C 02 32 18.76 +10 40 30.7 19.8 a 704
1998-08-29 08:36:36 C 02 32 20.45 +10 40 25.1 19.0 a 704
1998-08-29 08:52:15 C 02 32 22.13 +10 40 22.5 19.7 a 704
1998-08-29 09:07:54 C 02 32 23.51 +10 40 17.7 19.6 a 704
1998-08-29 12:09:10 C 02 32 43.07 +10 39 26.8 658
1998-08-29 12:12:52 C 02 32 43.45 +10 39 25.8 658
1998-08-29 12:21:06 C 02 32 44.35 +10 39 23.5 658
1998-08-29 15:05:18 C 02 33 02.68 +10 38 55.5 422
1998-08-29 15:08:32 C 02 33 02.86 +10 38 53.6 422
1998-08-29 15:09:45 C 02 33 02.97 +10 38 51.5 422
1998-08-29 18:08:53 C 02 33 22.34 +10 38 04.5 426
1998-08-29 18:18:16 C 02 33 23.39 +10 38 02.1 426
1998-08-29 18:29:56 C 02 33 24.54 +10 37 58.7 426
1998-08-30 11:25:34 C 02 35 15.87 +10 32 54.6 658
1998-08-30 11:28:18 C 02 35 16.18 +10 32 53.1 658
1998-08-30 11:31:00 C 02 35 16.49 +10 32 53.0 658
1998-08-30 18:30:00 C 02 36 02.44 +10 31 05.4 422
1998-08-30 18:35:39 C 02 36 03.05 +10 31 03.0 422
1998-08-31 23:13:50 C 02 39 15.18 +10 21 47.6 557
1998-08-31 23:16:54 C 02 39 15.52 +10 21 47.1 557
1998-09-01 01:02:49 C 02 39 27.32 +10 21 13.3 046
1998-09-01 01:04:45 C 02 39 27.51 +10 21 12.3 046
1998-09-01 01:06:54 C 02 39 27.70 +10 21 11.3 046
1998-09-01 18:48:53 C 02 41 27.35 +10 15 26.4 18.6 422
1998-09-18 17:04:42 C 03 34 54.77 +06 05 51.9 b 426
1998-09-18 17:10:03 C 03 34 55.51 +06 05 46.8 b 426
1998-09-18 17:15:14 C 03 34 56.28 +06 05 42.6 b 426
1998-09-19 01:12:31 C 03 36 09.73 +05 57 48.0 557
1998-09-19 01:33:12 C 03 36 12.80 +05 57 27.6 557
1998-09-20 00:34:48 C 03 39 48.70 +05 34 56.6 046
1998-09-20 00:36:42 C 03 39 48.98 +05 34 55.1 046
1998-09-20 00:37:48 C 03 39 49.14 +05 34 53.8 046
1998-09-20 00:38:55 C 03 39 49.35 +05 34 52.7 046
1998-09-23 02:02:41 C 03 51 46.46 +04 15 56.9 557
1998-09-23 02:05:59 C 03 51 47.03 +04 15 53.5 557
1998-09-25 02:10:06 C 04 00 03.56 +03 17 58.1 046
1998-09-25 02:11:29 C 04 00 03.79 +03 17 56.3 046
1998-09-25 02:12:59 C 04 00 04.04 +03 17 54.6 046
1998-09-25 02:14:33 C 04 00 04.32 +03 17 52.4 046
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-03-13 01:51:00 197914228.35 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)