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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1032727225961376 6.3419e-08  
a 3.184845071318155 3.9523e-08 AU
q 2.855937449756239 2.103e-07 AU
i 15.69116497098949 7.7805e-06 deg
node 304.7879408654004 2.0343e-05 deg
peri 85.41793852983258 4.689e-05 deg
M 225.525487543326 4.3207e-05 deg
tp 2457775.976016105858
(2017-Jan-22.47601611)
0.00025643 JED
period 2076.016939552426
5.68
3.8644e-05
1.058e-07
d
yr
n .1734089896576727 3.2279e-09 deg/d
Q 3.513752692880071 4.3605e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1006  
   data-arc span      9437 days (25.84 yr)  
   first obs. used      1988-09-18  
   last obs. used      2014-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48748  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:27:34  

Additional Information
 Earth MOID = 1.91523 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 (399)
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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