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
2017-04-13 13:13:01 C 10 53 34.78 +18 32 19.3 q D29
2017-04-13 13:34:39 C 10 53 36.55 +18 32 19.9 q D29
2017-04-14 03:41:38 C 10 54 47.49 +18 32 34.7 u H21
2017-04-14 03:43:48 C 10 54 47.66 +18 32 34.8 u H21
2017-04-14 03:46:42 C 10 54 47.88 +18 32 34.6 u H21
2017-04-17 06:02:33 C 11 00 49.64 +18 30 47.2 q 703
2017-04-17 06:08:52 C 11 00 50.10 +18 30 46.8 q 703
2017-04-17 06:15:11 C 11 00 50.51 +18 30 46.2 q 703
2017-04-17 06:21:29 C 11 00 51.03 +18 30 45.8 q 703
2017-04-17 13:28:44 C 11 01 25.12 +18 30 19.8 q D29
2017-04-17 13:49:06 C 11 01 26.64 +18 30 18.5 q D29
2017-04-17 14:09:29 C 11 01 28.15 +18 30 17.0 q D29
2017-04-20 21:54:20 C 11 07 35.14 +18 22 24.4 q 160
2017-04-20 21:57:05 C 11 07 35.34 +18 22 23.9 q 160
2017-04-20 21:59:51 C 11 07 35.53 +18 22 23.5 q 160
2017-04-21 21:46:03 C 11 09 21.74 +18 19 07.9 18.7 q K78
2017-04-21 22:36:14 C 11 09 25.20 +18 18 59.1 18.5 q K78
2017-04-23 21:05:10 C 11 12 49.26 +18 11 28.4 q 160
2017-04-23 21:07:54 C 11 12 49.46 +18 11 28.1 q 160
2017-04-23 21:10:38 C 11 12 49.65 +18 11 27.7 q 160
2017-04-25 08:42:53 C 11 15 22.256 +18 04 51.44 L F51
2017-04-25 09:02:25 C 11 15 23.566 +18 04 47.49 L F51
2017-04-25 09:21:45 C 11 15 24.878 +18 04 43.43 L F51
2017-04-28 05:44:19 C 11 20 12.48 +17 49 44.9 q 703
2017-04-28 05:52:42 C 11 20 13.01 +17 49 42.3 q 703
2017-04-28 06:01:06 C 11 20 13.58 +17 49 40.1 q 703
2017-04-28 06:09:29 C 11 20 14.14 +17 49 37.4 q 703
2017-04-29 13:10:13 C 11 22 22.41 +17 42 03.0 q D29
2017-04-29 13:31:51 C 11 22 23.83 +17 41 57.4 q D29
2017-04-29 13:53:30 C 11 22 25.24 +17 41 52.0 q D29
2017-05-09 07:38:30 C 11 37 52.906 +16 31 33.85 L F51
2017-05-09 07:55:07 C 11 37 53.928 +16 31 28.07 L F51
2017-05-09 08:11:45 C 11 37 54.946 +16 31 22.35 L F51
2017-05-09 08:28:26 C 11 37 55.973 +16 31 16.60 L F51
2017-05-20 03:49:39 C 11 54 14.66 +14 53 58.6 q G96
2017-05-20 03:55:40 C 11 54 15.03 +14 53 56.5 q G96
2017-05-20 04:01:37 C 11 54 15.38 +14 53 54.0 q G96
2017-05-20 04:07:37 C 11 54 15.75 +14 53 51.1 q G96
2020-02-05 15:34:40 C 16 43 35.237 -12 36 07.83 U F51
2020-02-05 15:42:27 C 16 43 35.749 -12 36 07.00 U F51
2020-02-05 15:50:11 C 16 43 36.227 -12 36 06.29 U F51
2020-06-17 09:50:47 C 16 27 47.332 -00 15 51.20 U F51
2020-06-17 10:09:01 C 16 27 46.472 -00 15 52.10 U F51
2020-06-17 10:27:11 C 16 27 45.632 -00 15 53.08 U F51
2020-06-21 09:08:42 C 16 23 39.299 -00 22 24.42 U F52
2020-06-21 09:26:53 C 16 23 38.523 -00 22 25.84 U F52
2020-06-21 09:45:00 C 16 23 37.744 -00 22 27.50 U F52
2020-06-21 10:03:05 C 16 23 36.953 -00 22 29.11 U F52
2020-06-22 10:28:47 C 16 22 36.977 -00 24 40.83 U F52
2020-06-22 10:46:46 C 16 22 36.243 -00 24 42.48 U F52
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)