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20701 (1999 VL179)
Classification: Main-belt Asteroid          SPK-ID: 2020701
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01255176685732995 4.0852e-08  
a 3.176142077393554 2.1876e-08 au
q 3.136275882532354 1.3828e-07 au
i 15.86032313155838 4.9128e-06 deg
node 91.28359207491687 1.626e-05 deg
peri 245.468210585888 0.00021437 deg
M 303.5602811625917 0.00021506 deg
tp 2459324.638523653753
(2021-Apr-20.13852365)
0.0012352 TDB
period 2067.513285307314
5.66
2.136e-05
5.848e-08
d
yr
n .1741222184922937 1.7989e-09 deg/d
Q 3.216008272254753 2.2151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1426  
   data-arc span      23183 days (63.47 yr)  
   first obs. used      1957-04-28  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50021  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:01:15  

Additional Information
 Earth MOID = 2.1378 au 
 Jupiter MOID = 1.91701 au 
 T_jup = 3.141 
[ 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 13.2   n/a MPO395201  
diameter diameter 12.702 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20701 (1999 VL179)          Discovered 1999-Nov-06 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

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