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26830 (1990 BB)
Classification: Main-belt Asteroid          SPK-ID: 2026830
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526882232693832 8.6319e-08  
a 2.769028906833685 2.9345e-08 AU
q 2.346230802867687 2.337e-07 AU
i 10.83249100057875 9.6083e-06 deg
node 283.9706332849095 3.5421e-05 deg
peri 225.96955918701 4.2857e-05 deg
M 123.9551476399597 2.4598e-05 deg
tp 2456421.002285673512
(2013-May-08.50228567)
0.00011431 JED
period 1683.02148905902
4.61
2.6754e-05
7.325e-08
d
yr
n .2139010121619282 3.4002e-09 deg/d
Q 3.191827010799682 3.3825e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      732  
   data-arc span      8920 days (24.42 yr)  
   first obs. used      1990-01-17  
   last obs. used      2014-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50687  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:55:58  

Additional Information
 Earth MOID = 1.3732 AU 
 T_jup = 3.295 
[ 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 12.9 mag n/a MPO259527  

26830 (1990 BB)          Discovered 1990-Jan-17 by Suzuki, K., Urata, T. at Toyota (881)
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 BB = 1998 XX3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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