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79806 (1998 VQ21)
Classification: Main-belt Asteroid          SPK-ID: 2079806
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517779231688092 4.0523e-08  
a 2.420023758751309 1.0352e-08 au
q 2.05271757862886 1.0018e-07 au
i 7.072331813171355 4.7613e-06 deg
node 249.4976500852973 3.3354e-05 deg
peri 72.8354927054128 3.6394e-05 deg
M 328.256953233301 1.4736e-05 deg
tp 2459121.747831382269
(2020-Sep-29.24783138)
5.6481e-05 TDB
period 1375.079702286436
3.76
8.8227e-06
2.416e-08
d
yr
n .2618030063285816 1.6798e-09 deg/d
Q 2.787329938873758 1.1923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1012  
   data-arc span      7912 days (21.66 yr)  
   first obs. used      1998-10-19  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:03:31  

Additional Information
 Earth MOID = 1.05343 au 
 Jupiter MOID = 2.52451 au 
 T_jup = 3.488 
[ 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 15.1   n/a MPO337858  

79806 (1998 VQ21)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 VQ21 = 2002 TY266 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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