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21005 (1988 BF5)
Classification: Main-belt Asteroid          SPK-ID: 2021005
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1340398230071353 5.9998e-08  
a 2.664313143790385 2.2166e-08 au
q 2.307189081561138 1.6429e-07 au
i 10.69529055117039 6.7298e-06 deg
node 243.8518906157756 3.5681e-05 deg
peri 331.0187322886405 4.3822e-05 deg
M 152.2535021767082 2.6209e-05 deg
tp 2456928.698269509934
(2014-Sep-28.19826951)
0.00011423 JED
period 1588.460163600899
4.35
1.9823e-05
5.427e-08
d
yr
n .2266345787255449 2.8283e-09 deg/d
Q 3.021437206019633 2.5137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      10032 days (27.47 yr)  
   first obs. used      1988-01-28  
   last obs. used      2015-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5063  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 14:07:01  

Additional Information
 Earth MOID = 1.30507 au 
 Jupiter MOID = 1.99338 au 
 T_jup = 3.347 
[ 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 14.3 mag n/a MPO302193  

21005 (1988 BF5)          Discovered 1988-Jan-28 by McNaught, R. H. at Siding Spring
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 BF5 = 1998 QP82 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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