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190421 (1999 VN79)
Classification: Main-belt Asteroid          SPK-ID: 2190421
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1559645014108686 6.2987e-08  
a 2.802586121440619 1.7234e-08 au
q 2.365482174349113 1.7545e-07 au
i 8.006530660180154 5.4205e-06 deg
node 255.869037294676 3.8466e-05 deg
peri 151.1696609203634 4.2634e-05 deg
M 165.5633289006866 1.6181e-05 deg
tp 2458412.368788737787
(2018-Oct-20.86878874)
7.6385e-05 TDB
period 1713.708210255853
4.69
1.5807e-05
4.328e-08
d
yr
n .2100707680838226 1.9377e-09 deg/d
Q 3.239690068532125 1.9922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      485  
   data-arc span      7527 days (20.61 yr)  
   first obs. used      1999-09-18  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52227  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 05:14:59  

Additional Information
 Earth MOID = 1.37858 au 
 Jupiter MOID = 2.14361 au 
 T_jup = 3.292 
[ 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 15.59   n/a E2021B55  

190421 (1999 VN79)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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