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78810 (2003 ON31)
Classification: Main-belt Asteroid          SPK-ID: 2078810
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1679221805515121 6.317e-08  
a 2.377788949071005 1.0474e-08 au
q 1.978505443851714 1.5039e-07 au
i 3.536510585986964 5.1809e-06 deg
node 314.6479083077847 7.255e-05 deg
peri 51.1639720530363 7.3444e-05 deg
M 197.1336336988386 1.3098e-05 deg
tp 2459606.380938615304
(2022-Jan-26.88093862)
5.1339e-05 TDB
period 1339.239910947494
3.67
8.8492e-06
2.423e-08
d
yr
n .2688091932276009 1.7762e-09 deg/d
Q 2.777072454290296 1.2233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      7593 days (20.79 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58377  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:35:24  

Additional Information
 Earth MOID = .978881 au 
 Jupiter MOID = 2.6924 au 
 T_jup = 3.519 
[ 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 16.0   n/a MPO468743  

78810 (2003 ON31)          Discovered 2003-Jul-30 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 ON31 = 1999 NT35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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