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120846 (1998 KM67)
Classification: Main-belt Asteroid          SPK-ID: 2120846
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1829922265670302 4.9777e-08  
a 2.700920913758978 1.5539e-08 au
q 2.206673381968765 1.3477e-07 au
i 8.123519680346998 3.9849e-06 deg
node 104.3385450668893 4.2574e-05 deg
peri 151.2157779583755 4.5253e-05 deg
M 20.30167963583623 1.6466e-05 deg
tp 2459109.068530912934
(2020-Sep-16.56853091)		 7.4188e-05 TDB
period 1621.31062364132
4.44		 1.3991e-05
3.831e-08		 d
yr
n .2220425837903115 1.9161e-09 deg/d
Q 3.195168445549192 1.8382e-08 au
   Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      8042 days (22.02 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:19  

Additional Information
 Earth MOID = 1.19386 au 
 Jupiter MOID = 1.88517 au 
 T_jup = 3.329 
[ 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 16.03   n/a E2021B55  

120846 (1998 KM67)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1998 KM67 = 2002 FR33 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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