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100921 (1998 KZ60)
Classification: Main-belt Asteroid          SPK-ID: 2100921
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1665255919668361 3.044e-08  
a 2.391762219114316 8.8264e-09 au
q 1.993472599732391 7.4488e-08 au
i 9.440233682354032 4.352e-06 deg
node 135.3591906508576 2.6637e-05 deg
peri 143.3655052462828 3.1372e-05 deg
M 317.2739113831945 1.6147e-05 deg
tp 2459160.848929568380
(2020-Nov-07.34892957)
6.0793e-05 TDB
period 1351.062465893769
3.70
7.4788e-06
2.048e-08
d
yr
n .2664569619006098 1.475e-09 deg/d
Q 2.790051838496241 1.0296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      732  
   data-arc span      8141 days (22.29 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:28  

Additional Information
 Earth MOID = .985749 au 
 Jupiter MOID = 2.38416 au 
 T_jup = 3.494 
[ 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 15.8   n/a MPO320189  

100921 (1998 KZ60)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 KZ60 = 2002 LH55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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