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100900 (1998 KU6)
Classification: Main-belt Asteroid          SPK-ID: 2100900
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825524547087122 3.1631e-08  
a 2.1520527928596 6.1603e-09 au
q 1.75919027286034 7.0859e-08 au
i 5.450175926115365 3.6394e-06 deg
node 196.0376332602999 3.2524e-05 deg
peri 77.80911338319699 3.637e-05 deg
M 327.4290857540493 1.2014e-05 deg
tp 2459104.829050933653
(2020-Sep-12.32905093)
3.8396e-05 TDB
period 1153.128771655049
3.16
4.9513e-06
1.356e-08
d
yr
n .3121941008230185 1.3405e-09 deg/d
Q 2.544915312858859 7.2849e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1061  
   data-arc span      8161 days (22.34 yr)  
   first obs. used      1998-05-05  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53072  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:36  

Additional Information
 Earth MOID = .753176 au 
 Jupiter MOID = 2.5711 au 
 T_jup = 3.677 
[ 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 16.0   n/a MPO302562  

100900 (1998 KU6)          Discovered 1998-May-22 by LONEOS at Anderson Mesa
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
2025-May-20 22:38 < 00:01 David 0.0268062806052173 0.026804633404722 0.0268079279277503 6.34782978064419 6.34782969186295 2460816.443275192 0.588549446169978 123.765564778312 18.7303280385347 -49.1940252512172 163370.62633708 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:38 2020-Nov-12 20:03
2070-Mar-29 21:02 < 00:01 Iris 0.0358952087636047 0.0358917605330437 0.0358986594776542 7.57610826092648 7.57610823978719 2477200.376268795 0.302598360772161 515.794064882207 43.121559826941 71.1004704156099 117842.824352224 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:38 2020-Nov-12 20:03

Alternate Designations
 1998 KU6 = 2001 FP47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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