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190805 (2001 RJ90)
Classification: Main-belt Asteroid          SPK-ID: 2190805
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133312351403437 3.6241e-08  
a 2.329850913281501 1.182e-08 au
q 2.06580603158645 8.4136e-08 au
i 6.6441906977922 4.5305e-06 deg
node 40.09386714057003 3.3548e-05 deg
peri 270.5782359231157 3.9638e-05 deg
M 243.9970964958552 2.285e-05 deg
tp 2459815.059287395704
(2022-Aug-23.55928740)
8.3948e-05 TDB
period 1298.944585960898
3.56
9.8848e-06
2.706e-08
d
yr
n .2771480815201127 2.1091e-09 deg/d
Q 2.593895794976551 1.316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      7177 days (19.65 yr)  
   first obs. used      2001-09-11  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5768  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:52:05  

Additional Information
 Earth MOID = 1.06409 au 
 Jupiter MOID = 2.63042 au 
 T_jup = 3.554 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.79   n/a MPCxxxxx  

190805 (2001 RJ90)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 2001 RJ90 = 2005 XK83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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