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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337826822572089 6.0432e-08  
a 2.66356831284416 2.2132e-08 AU
q 2.30722899957656 1.655e-07 AU
i 10.6960376045139 6.7522e-06 deg
node 243.8696633939401 3.5748e-05 deg
peri 330.8903705762327 4.3913e-05 deg
M 16.38937049676306 2.5984e-05 deg
tp 2456928.214039086404
(2014-Sep-27.71403909)
0.00011448 JED
period 1587.794109238912
4.35
1.979e-05
5.418e-08
d
yr
n .2267296483248456 2.8259e-09 deg/d
Q 3.01990762611176 2.5093e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      10008 days (27.40 yr)  
   first obs. used      1988-01-28  
   last obs. used      2015-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51064  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:28:15  

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
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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