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79807 (1998 VX21)
Classification: Main-belt Asteroid          SPK-ID: 2079807
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1564997192639998 2.4588e-08  
a 2.549388406371074 1.0813e-08 au
q 2.150409836479105 6.1644e-08 au
i 4.699329612490641 8.905e-06 deg
node 345.99530729 3.6764e-05 deg
peri 98.44968966613368 5.8762e-05 deg
M 78.19433714953138 4.1838e-05 deg
tp 2458677.557473712427
(2019-Jul-13.05747371)
0.00017237 TDB
period 1486.799603418889
4.07
9.4595e-06
2.59e-08
d
yr
n .2421308151900106 1.5405e-09 deg/d
Q 2.948366976263043 1.2506e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1016  
   data-arc span      7856 days (21.51 yr)  
   first obs. used      1998-10-19  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52218  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:43:34  

Additional Information
 Earth MOID = 1.17253 au 
 Jupiter MOID = 2.27483 au 
 T_jup = 3.419 
[ 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 15.6   n/a MPO366158  

79807 (1998 VX21)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 VX21 = 2000 GB99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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