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JPL Small-Body Database Browser
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20682 (1999 VP23)
Classification: Main-belt Asteroid          SPK-ID: 2020682
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2085208407931721 4.6394e-08  
a 2.675074508235272 1.5871e-08 au
q 2.117265722593671 1.2568e-07 au
i 13.58828930045224 5.05e-06 deg
node 76.01517657133142 2.2382e-05 deg
peri 271.9838802453445 2.5811e-05 deg
M 196.2005204492326 1.6565e-05 deg
tp 2459327.630342706297
(2021-Apr-23.13034271)
7.6572e-05 TDB
period 1598.093742984916
4.38
1.4222e-05
3.894e-08
d
yr
n .2252683871520533 2.0047e-09 deg/d
Q 3.232883293876871 1.918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1475  
   data-arc span      15157 days (41.50 yr)  
   first obs. used      1977-11-11  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .464  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:54:41  

Additional Information
 Earth MOID = 1.16237 au 
 Jupiter MOID = 2.35426 au 
 T_jup = 3.308 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2   n/a MPO474037  
diameter diameter 6.627 km 0.334 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.278   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20682 (1999 VP23)          Discovered 1999-Nov-14 by Juels, C. W. at Fountain Hills
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 VP23 = 1977 VB1 = 1998 KY7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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