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JPL Small-Body Database Browser
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85631 (1998 KX49)
Classification: Main-belt Asteroid          SPK-ID: 2085631
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754588788817766 4.6215e-08  
a 2.793587757076644 2.237e-08 au
q 2.303427981162119 1.2676e-07 au
i 15.07139515906398 5.213e-06 deg
node 103.1034221202141 1.9997e-05 deg
peri 185.7211461836204 2.5274e-05 deg
M 222.620425192514 1.7847e-05 deg
tp 2459651.321021349964
(2022-Mar-12.82102135)
8.8274e-05 TDB
period 1705.461441515685
4.67
2.0485e-05
5.608e-08
d
yr
n .21108656650722 2.5355e-09 deg/d
Q 3.283747532991169 2.6295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      644  
   data-arc span      7926 days (21.70 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61215  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:36:05  

Additional Information
 Earth MOID = 1.28749 au 
 Jupiter MOID = 1.9015 au 
 T_jup = 3.256 
[ 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 14.8   n/a MPO493476  

85631 (1998 KX49)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 KX49 = 2003 ML11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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