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173318 (1999 VR56)
Classification: Main-belt Asteroid          SPK-ID: 2173318
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025449203515126 6.9644e-08  
a 2.590392852858547 1.9776e-08 au
q 2.32476122408304 1.8723e-07 au
i 3.636151346035972 5.149e-06 deg
node 204.2290242856352 9.4233e-05 deg
peri 119.1460296978798 9.7458e-05 deg
M 40.58506475906881 2.3587e-05 deg
tp 2458828.823591536423
(2019-Dec-11.32359154)
9.9365e-05 TDB
period 1522.814055214178
4.17
1.7438e-05
4.774e-08
d
yr
n .2364044374080638 2.7072e-09 deg/d
Q 2.856024481634054 2.1804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      9162 days (25.08 yr)  
   first obs. used      1993-02-16  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:07:08  

Additional Information
 Earth MOID = 1.31526 au 
 Jupiter MOID = 2.41309 au 
 T_jup = 3.410 
[ 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 MPO436860  

173318 (1999 VR56)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1999 VR56 = 2003 SF247 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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