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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1032727440718264 6.0545e-08  
a 3.184845079410521 3.8873e-08 AU
q 2.855937388616143 2.0332e-07 AU
i 15.69116484170804 7.6873e-06 deg
node 304.7879403362289 2e-05 deg
peri 85.41793071948362 4.6151e-05 deg
M 225.5254921857318 4.3009e-05 deg
tp 2457775.975992290041
(2017-Jan-22.47599229)
0.00025555 JED
period 2076.016947464846
5.68
3.8009e-05
1.041e-07
d
yr
n .1734089889967509 3.1749e-09 deg/d
Q 3.513752770204899 4.2888e-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 = 1.91523 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
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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