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21165 (1993 VF2)
Classification: Main-belt Asteroid          SPK-ID: 2021165
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1666398100022057 5.9416e-08  
a 2.194398049093772 1.7696e-08 AU
q 1.828723975123575 1.3464e-07 AU
i 3.865769561814389 5.7131e-06 deg
node 74.24470120343621 8.9684e-05 deg
peri 325.227328795268 9.1796e-05 deg
M 119.5065286078336 2.2868e-05 deg
tp 2456406.350781177413
(2013-Apr-23.85078118)
7.2299e-05 JED
period 1187.330269141716
3.25
1.4362e-05
3.932e-08
d
yr
n .3032012316676074 3.6676e-09 deg/d
Q 2.560072123063969 2.0645e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      8561 days (23.44 yr)  
   first obs. used      1991-01-08  
   last obs. used      2014-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55579  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:46:11  

Additional Information
 Earth MOID = .837084 AU 
 T_jup = 3.649 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9 mag n/a MPO240376  

21165 (1993 VF2)          Discovered 1993-Nov-11 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 VF2 = 1998 FX11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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