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385132 (2013 RO31)
Classification: Main-belt Asteroid          SPK-ID: 2385132
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1791631605570578 4.529e-08  
a 2.563532843479478 3.2152e-08 au
q 2.104242197049873 1.2804e-07 au
i 13.49298408190596 6.2802e-06 deg
node 6.626204091113504 1.6952e-05 deg
peri 299.368171928087 2.5301e-05 deg
M 326.7214499197173 2.0239e-05 deg
tp 2459339.085773818589
(2021-May-04.58577382)
8.4935e-05 TDB
period 1499.190272843409
4.10
2.8205e-05
7.722e-08
d
yr
n .2401296263196887 4.5176e-09 deg/d
Q 3.022823489909082 3.7913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      5302 days (14.52 yr)  
   first obs. used      2005-11-10  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:13  

Additional Information
 Earth MOID = 1.12519 au 
 Jupiter MOID = 2.39858 au 
 T_jup = 3.373 
[ 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 16.20   n/a E2021B25  

385132 (2013 RO31)          Discovered 2008-May-03 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2013 RO31 = 2008 JO37 = 2009 VK91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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