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85792 (1998 VK20)
Classification: Main-belt Asteroid          SPK-ID: 2085792
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08078147341489515 3.5176e-08  
a 2.575942398160543 1.2869e-08 au
q 2.367853975805236 8.8718e-08 au
i 4.236155781976741 3.7834e-06 deg
node 77.9399313769504 5.7195e-05 deg
peri 346.3763815688851 6.3739e-05 deg
M 152.9137113425153 3.0163e-05 deg
tp 2458755.073975937538
(2019-Sep-28.57397594)
0.00012429 TDB
period 1510.089361085858
4.13
1.1316e-05
3.098e-08
d
yr
n .2383964878350876 1.7864e-09 deg/d
Q 2.78403082051585 1.3908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      10638 days (29.13 yr)  
   first obs. used      1992-04-26  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:26:58  

Additional Information
 Earth MOID = 1.38119 au 
 Jupiter MOID = 2.43761 au 
 T_jup = 3.419 
[ 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 15.48   n/a MPO637176  
diameter diameter 4.785 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85792 (1998 VK20)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 VK20 = 2002 TE4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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