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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337826104125335 8.354e-08  
a 2.663568333506312 2.7546e-08 AU
q 2.307229208837676 2.3571e-07 AU
i 10.69604052080292 7.1862e-06 deg
node 243.8696499320673 3.7884e-05 deg
peri 330.8903853883462 4.5703e-05 deg
M 16.38936050704649 2.7103e-05 deg
tp 2456928.214082305323
(2014-Sep-27.71408231)
0.00011923 JED
period 1587.794127714454
4.35
2.4631e-05
6.744e-08
d
yr
n .2267296456866238 3.5172e-09 deg/d
Q 3.019907458174948 3.1232e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      596  
   data-arc span      9620 days (26.34 yr)  
   first obs. used      1988-01-28  
   last obs. used      2014-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51952  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:35:24  

Additional Information
 Earth MOID = 1.30699 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 (413)
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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