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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 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .103921287787047 7.1323e-08  
a 3.183057809658096 4.0029e-08 AU
q 2.85227034297781 2.327e-07 AU
i 15.69176070430046 8.7267e-06 deg
node 304.7969791860522 2.128e-05 deg
peri 85.48128815321076 5.3711e-05 deg
M 121.3388352899151 4.8348e-05 deg
tp 2455701.362596438237
(2011-May-19.86259644)		 0.00027356 JED
period 2074.269665444479
5.68		 3.9128e-05
1.071e-07		 d
yr
n .1735550618115309 3.2739e-09 deg/d
Q 3.513845276338382 4.4189e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      965  
   data-arc span      8963 days (24.54 yr)  
   first obs. used      1988-09-18  
   last obs. used      2013-04-03  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .50491  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 14:03:03  

Additional Information
 Earth MOID = 1.91121 AU 
 T_jup = 3.133 
[ 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 11.6 mag n/a PDS3 (MPO 2840)  

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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