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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1666285829846277 5.7611e-08  
a 2.194323138471143 1.7139e-08 AU
q 1.828686183297315 1.3131e-07 AU
i 3.865792126038514 5.6705e-06 deg
node 74.24346127934513 8.4469e-05 deg
peri 325.1956170887939 8.6641e-05 deg
M 180.1926386498203 2.3332e-05 deg
tp 2457593.499419091823
(2016-Jul-23.99941909)
8.205e-05 JED
period 1187.269471450052
3.25
1.391e-05
3.808e-08
d
yr
n .3032167579954027 3.5524e-09 deg/d
Q 2.55996009364497 1.9995e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      827  
   data-arc span      8930 days (24.45 yr)  
   first obs. used      1991-01-08  
   last obs. used      2015-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54937  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:28:34  

Additional Information
 Earth MOID = .837994 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 15.0 mag n/a MPO302194  

21165 (1993 VF2)          Discovered 1993-Nov-11 by Ueda, S., Kaneda, H. at Kushiro
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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