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JPL Small-Body Database Browser
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305704 (2009 BG172)
Classification: Main-belt Asteroid          SPK-ID: 2305704
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09882634999922381 6.1561e-08  
a 2.596157813609332 2.967e-08 au
q 2.339589012868357 1.488e-07 au
i 5.099815199777946 5.6697e-06 deg
node 161.4321321541535 7.0957e-05 deg
peri 102.4235197030165 8.2342e-05 deg
M 42.49677242584797 3.8004e-05 deg
tp 2458420.136561538320
(2018-Oct-28.63656154)
0.00016173 TDB
period 1527.900453134449
4.18
2.6192e-05
7.171e-08
d
yr
n .2356174443573658 4.0391e-09 deg/d
Q 2.852726614350308 3.2602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6259 days (17.14 yr)  
   first obs. used      2002-08-07  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51996  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:40:25  

Additional Information
 Earth MOID = 1.33011 au 
 Jupiter MOID = 2.21305 au 
 T_jup = 3.404 
[ 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 17.4   n/a MPO440439  

305704 (2009 BG172)          Discovered 2009-Jan-18 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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