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
1999-03-13 02:53:33 C 15 05 11.19 -06 41 20.6 d 046
1999-03-13 02:55:43 C 15 05 11.13 -06 41 18.7 d 046
1999-03-16 18:30:15 C 15 02 40.18 -05 09 50.9 360
1999-03-16 18:37:29 C 15 02 39.92 -05 09 43.1 360
1999-03-16 18:44:15 C 15 02 39.66 -05 09 36.3 360
1999-03-17 18:04:52 C 15 01 51.69 -04 45 05.3 z 402
1999-03-17 18:07:11 C 15 01 51.57 -04 45 03.4 z 402
1999-03-17 18:11:50 C 15 01 51.40 -04 44 58.7 z 402
1999-03-24 10:10:34 C 14 55 00.73 -01 57 24.6 c 699
1999-03-24 10:47:20 C 14 54 58.74 -01 56 46.4 c 699
1999-03-24 11:24:02 C 14 54 56.79 -01 56 08.4 c 699
1999-03-25 01:58:25 C 14 54 13.00 -01 41 07.2 118
1999-03-25 02:10:06 C 14 54 12.50 -01 40 54.3 118
1999-03-26 07:39:39 C 14 52 40.27 -01 10 18.3 z 860
1999-03-26 07:51:12 C 14 52 39.72 -01 10 07.0 z 860
1999-03-27 02:24:12 C 14 51 40.47 -00 51 29.1 118
1999-03-27 02:37:33 C 14 51 39.73 -00 51 15.0 118
1999-04-11 16:15:41 C 14 28 13.17 +04 47 17.8 422
1999-04-11 16:17:56 C 14 28 12.95 +04 47 18.6 422
1999-04-11 16:18:46 C 14 28 12.92 +04 47 18.5 422
1999-04-12 09:14:22 C 14 27 04.86 +04 59 45.7 18.6 a 704
1999-04-12 09:39:11 C 14 27 03.25 +05 00 04.3 18.9 a 704
1999-04-12 10:04:04 C 14 27 01.41 +05 00 22.7 19.2 a 704
1999-04-12 10:28:56 C 14 26 59.69 +05 00 41.0 19.1 a 704
1999-04-12 10:53:49 C 14 26 57.59 +05 00 55.7 19.5 a 704
1999-04-19 07:16:45 C 14 16 09.54 +06 48 15.1 19.3 a 704
1999-04-19 07:40:29 C 14 16 07.78 +06 48 29.0 18.8 a 704
1999-04-19 08:04:23 C 14 16 06.22 +06 48 42.8 18.6 a 704
1999-04-19 08:28:15 C 14 16 04.65 +06 48 56.6 19.1 a 704
1999-04-19 08:51:54 C 14 16 02.89 +06 49 10.3 19.4 a 704
2003-08-18 23:26:23 C 22 40 23.92 +01 30 33.7 d 170
2003-08-18 23:29:38 C 22 40 23.77 +01 30 32.1 d 170
2003-09-02 06:14:19 C 22 22 08.90 -01 52 57.4 19.4 c 704
2003-09-02 06:31:29 C 22 22 07.80 -01 53 09.7 19.4 c 704
2003-09-02 06:48:27 C 22 22 06.81 -01 53 20.8 19.3 c 704
2003-09-02 07:05:14 C 22 22 05.80 -01 53 33.9 19.5 c 704
2003-09-18 05:30:27 C 21 59 09.75 -06 50 40.2 18.8 c 704
2003-09-18 06:04:18 C 21 59 07.73 -06 51 09.5 19.1 c 704
2003-09-18 06:21:02 C 21 59 06.72 -06 51 23.5 19.3 c 704
2003-09-18 06:37:46 C 21 59 05.69 -06 51 36.4 19.1 c 704
2003-09-24 04:26:38 C 21 51 28.88 -08 46 14.3 19.1 c 644
2003-09-24 04:56:33 C 21 51 27.31 -08 46 38.2 18.8 c 644
2003-09-24 05:27:12 C 21 51 25.69 -08 47 02.8 18.9 c 644
2003-10-01 02:36:08 C 21 44 02.12 -10 54 48.3 c 691
2003-10-01 03:19:43 C 21 44 00.32 -10 55 20.6 c 691
2003-10-01 04:00:50 C 21 43 58.62 -10 55 51.4 c 691
2004-04-19 03:23:12 C 08 15 19.07 +20 45 41.5 19.1 c 704
2004-04-19 03:39:23 C 08 15 22.57 +20 45 43.0 19.3 c 704
2004-04-19 03:57:16 C 08 15 26.45 +20 45 43.9 19.3 c 704
2004-04-19 04:13:26 C 08 15 29.89 +20 45 45.3 19.5 c 704
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)