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JPL Small-Body Database Browser
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305699 (2009 BY157)
Classification: Main-belt Asteroid          SPK-ID: 2305699
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1912119141621631 8.149e-08  
a 2.360423051844585 1.999e-08 au
q 1.909082041868887 1.9783e-07 au
i 3.769440757465971 9.5031e-06 deg
node 338.9553304985841 0.00013019 deg
peri 140.2680547131546 0.00013339 deg
M 317.423357174229 2.6404e-05 deg
tp 2458757.157831751101
(2019-Sep-30.65783175)
9.7915e-05 TDB
period 1324.595263679648
3.63
1.6827e-05
4.607e-08
d
yr
n .2717811318454674 3.4525e-09 deg/d
Q 2.811764061820282 2.3812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      9095 days (24.90 yr)  
   first obs. used      1993-11-09  
   last obs. used      2018-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57729  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:51:46  

Additional Information
 Earth MOID = .927159 au 
 Jupiter MOID = 2.27583 au 
 T_jup = 3.524 
[ 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 18.1   n/a MPO264762  

305699 (2009 BY157)          Discovered 2009-Jan-31 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 BY157 = 2004 XN142 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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