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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01176976749661713 4.0959e-08  
a 3.175764753600279 2.293e-08 au
q 3.138386740826451 1.3859e-07 au
i 15.84295076758987 4.889e-06 deg
node 91.2510199309378 1.6276e-05 deg
peri 241.5560469943753 0.00022652 deg
M 342.2026277115484 0.00022712 deg
tp 2459302.693741044826
(2021-Mar-29.19374104)
0.0013042 TDB
period 2067.144867223447
5.66
2.2388e-05
6.13e-08
d
yr
n .174153251524914 1.8862e-09 deg/d
Q 3.213142766374105 2.32e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1435  
   data-arc span      23183 days (63.47 yr)  
   first obs. used      1957-04-28  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49884  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:27:30  

Additional Information
 Earth MOID = 2.13522 au 
 Jupiter MOID = 1.91395 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 13.25   n/a E2021B10  
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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