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JPL Small-Body Database Browser
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16461 (1990 BO)
Classification: Main-belt Asteroid          SPK-ID: 2016461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1028061047523688 4.6644e-08  
a 3.183819732819726 2.0111e-08 au
q 2.856503627854803 1.4987e-07 au
i 15.69267872924662 5.2825e-06 deg
node 304.7718153031577 1.6877e-05 deg
peri 84.77703642889593 3.2161e-05 deg
M 143.5470170446976 2.6329e-05 deg
tp 2457773.105168988533
(2017-Jan-19.60516899)
0.00015035 TDB
period 2075.014481641091
5.68
1.9661e-05
5.383e-08
d
yr
n .1734927650795394 1.6438e-09 deg/d
Q 3.51113583778465 2.2179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1730  
   data-arc span      11192 days (30.64 yr)  
   first obs. used      1988-09-18  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44496  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:25:32  

Additional Information
 Earth MOID = 1.91478 au 
 Jupiter MOID = 1.96971 au 
 T_jup = 3.132 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.9   n/a MPO266043  
diameter diameter 27.713 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.033   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

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

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Alternate Designations
 1990 BO = 1998 MB27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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