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100912 (1998 KU26)
Classification: Main-belt Asteroid          SPK-ID: 2100912
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1258484432464483 4.9006e-08  
a 3.165538066433411 2.7341e-08 au
q 2.767160028735394 1.5414e-07 au
i 23.81435176290437 7.4048e-06 deg
node 37.69518402148677 1.1637e-05 deg
peri 34.35342242459985 2.8282e-05 deg
M 141.38310780199 2.5246e-05 deg
tp 2458392.586694567924
(2018-Oct-01.08669457)		 0.00014224 TDB
period 2057.167892807159
5.63		 2.6652e-05
7.297e-08		 d
yr
n .1749978702558657 2.2672e-09 deg/d
Q 3.563916104131427 3.0782e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      11164 days (30.57 yr)  
   first obs. used      1989-10-30  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50976  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:32  

Additional Information
 Earth MOID = 1.80259 au 
 Jupiter MOID = 1.93515 au 
 T_jup = 3.060 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.77   n/a E2021B55  

100912 (1998 KU26)          Discovered 1998-May-28 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1958-Nov-21 23:37 00:02 Jupiter 1.96819440403991 1.96819378921842 1.9681950188634 6.19973483549581 6.12992673805803 2436529.483773633 1.89556483192108 455.061020309523 28.8155352554582 88.9975461377188 3337965.5454557 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:34 2020-Nov-12 20:03
2077-Sep-04 01:49 00:02 Jupiter 1.97518427306899 1.97518365252092 1.97518489361885 6.1194596858186 6.04897698367664 2479915.575888139 2.17070901693965 571.061582906979 29.2246933123273 89.3134706279807 3309685.53138719 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:34 2020-Nov-12 20:03
2196-Jun-17 18:25 00:06 Jupiter 1.99818304964294 1.9981819204163 1.99818417921147 6.00172826937845 5.9306786715358 2523301.267325636 6.31470358481878 1618.87395087444 31.7001473479697 88.2552902855268 3214254.7666249 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:34 2020-Nov-12 20:03
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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