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86189 (1999 RK242)
Classification: Main-belt Asteroid          SPK-ID: 2086189
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343173062184788 5.5522e-08  
a 2.931322358007817 2.3623e-08 au
q 2.537595035222207 1.6517e-07 au
i 5.872062253535716 6.6815e-06 deg
node 163.420766985204 4.321e-05 deg
peri 200.5769816724928 4.8082e-05 deg
M 19.36765755799161 2.1702e-05 deg
tp 2458901.879228751755
(2020-Feb-22.37922875)
0.00011054 TDB
period 1833.132248598559
5.02
2.2159e-05
6.067e-08
d
yr
n .1963851763969687 2.3739e-09 deg/d
Q 3.325049680793426 2.6796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      7889 days (21.60 yr)  
   first obs. used      1998-05-01  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:04:33  

Additional Information
 Earth MOID = 1.53609 au 
 Jupiter MOID = 2.13036 au 
 T_jup = 3.255 
[ 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 15.0   n/a MPO449535  

86189 (1999 RK242)          Discovered 1999-Sep-04 by CSS at Catalina
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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