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390853 (2004 RO194)
Classification: Main-belt Asteroid          SPK-ID: 2390853
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2867723720985906 4.042e-08  
a 3.132892444035232 2.6921e-08 au
q 2.234465446329498 1.2895e-07 au
i 10.64103626613654 9.4954e-06 deg
node 199.0330890452009 2.2778e-05 deg
peri 104.4198095619347 3.0128e-05 deg
M 337.9414781791578 1.5898e-05 deg
tp 2459124.605366172808
(2020-Oct-02.10536617)
8.9925e-05 TDB
period 2025.427278631
5.55
2.6107e-05
7.148e-08
d
yr
n .177740274261205 2.291e-09 deg/d
Q 4.031319441740966 3.4641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      6331 days (17.33 yr)  
   first obs. used      2003-03-30  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55151  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 23:17:46  

Additional Information
 Earth MOID = 1.2488 au 
 Jupiter MOID = 1.50927 au 
 T_jup = 3.122 
[ 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 15.7   n/a MPO476841  

390853 (2004 RO194)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

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