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16461 (1990 BO)
Classification: Main-belt Asteroid          SPK-ID: 2016461
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1030135199118406 6.0675e-08  
a 3.186113053585326 3.9123e-08 au
q 2.857900333098439 2.0379e-07 au
i 15.68849258275668 7.6864e-06 deg
node 304.7856107582106 2.0002e-05 deg
peri 85.19138541053795 4.619e-05 deg
M 329.7371663560146 4.4051e-05 deg
tp 2457775.121329113174
(2017-Jan-21.62132911)
0.00025593 JED
period 2077.256849780703
5.69
3.8261e-05
1.048e-07
d
yr
n .1733054821978348 3.1921e-09 deg/d
Q 3.514325774072214 4.3153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      9760 days (26.72 yr)  
   first obs. used      1988-09-18  
   last obs. used      2015-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4872  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:18:40  

Additional Information
 Earth MOID = 1.91591 au 
 Jupiter MOID = 1.97063 au 
 T_jup = 3.132 
[ 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 11.9 mag n/a MPO266043  

16461 (1990 BO)          Discovered 1990-Jan-21 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 BO = 1998 MB27 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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