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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1032242049555669 6.9499e-08  
a 2.592139482082511 2.0032e-08 au
q 2.324567944910608 1.8721e-07 au
i 3.63626617558968 5.1485e-06 deg
node 204.2572428657954 9.4198e-05 deg
peri 119.053548393604 9.7387e-05 deg
M 306.138630057234 2.3228e-05 deg
tp 2458828.566171395309
(2019-Dec-11.06617140)
9.8862e-05 TDB
period 1524.354501000554
4.17
1.767e-05
4.838e-08
d
yr
n .2361655374545119 2.7376e-09 deg/d
Q 2.859711019254413 2.21e-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 = 1.31417 au 
 Jupiter MOID = 2.40904 au 
 T_jup = 3.409 
[ 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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