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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339763478419122 5.9989e-08  
a 2.664250769099923 2.2101e-08 au
q 2.30730418132091 1.6422e-07 au
i 10.69470415555242 6.7295e-06 deg
node 243.8601196392992 3.5685e-05 deg
peri 330.9748727209869 4.3834e-05 deg
M 106.9744620362905 2.6114e-05 deg
tp 2456928.503599169690
(2014-Sep-28.00359917)
0.00011428 JED
period 1588.404382358733
4.35
1.9765e-05
5.411e-08
d
yr
n .2266425376297506 2.8201e-09 deg/d
Q 3.021197356878937 2.5062e-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 = 1.30493 au 
 Jupiter MOID = 1.99288 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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