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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034786486281079 6.3431e-08  
a 3.184187572917518 3.9506e-08 AU
q 2.854692145893598 2.1025e-07 AU
i 15.69097999401054 7.7874e-06 deg
node 304.790613303659 2.0349e-05 deg
peri 85.46533367887302 4.6866e-05 deg
M 190.7890840593452 4.2852e-05 deg
tp 2457775.988754152386
(2017-Jan-22.48875415)
0.00025608 JED
period 2075.374094765981
5.68
3.8623e-05
1.057e-07
d
yr
n .1734627028967486 3.2282e-09 deg/d
Q 3.513682999941437 4.3594e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      998  
   data-arc span      9401 days (25.74 yr)  
   first obs. used      1988-09-18  
   last obs. used      2014-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48841  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:36:33  

Additional Information
 Earth MOID = 1.91292 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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