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146684 (2001 VN20)
Classification: Main-belt Asteroid          SPK-ID: 2146684
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08447919781202434 9.3208e-08  
a 2.556671426785061 1.2832e-08 au
q 2.340685875581336 2.4156e-07 au
i 1.818582605621788 4.1885e-06 deg
node 252.8970916360197 0.00021283 deg
peri 243.916666463835 0.00022198 deg
M 20.53675510052785 5.8429e-05 deg
tp 2458515.319511370206
(2019-Jan-31.81951137)
0.0002425 TDB
period 1493.175321837375
4.09
1.1241e-05
3.078e-08
d
yr
n .241096939344681 1.8151e-09 deg/d
Q 2.772656977988787 1.3916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      6370 days (17.44 yr)  
   first obs. used      2001-10-21  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .547  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:17:36  

Additional Information
 Earth MOID = 1.35546 au 
 Jupiter MOID = 2.2475 au 
 T_jup = 3.431 
[ 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 15.5   n/a MPO436736  
diameter diameter 2.488 km 0.594 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.197   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146684 (2001 VN20)          Discovered 2001-Nov-09 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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