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308167 (2005 BW20)
Classification: Main-belt Asteroid          SPK-ID: 2308167
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05620241623440673 5.4597e-08  
a 2.411883137799288 2.1126e-08 au
q 2.276329477779945 1.3358e-07 au
i 2.917992048386363 7.7913e-06 deg
node 111.1555340774091 0.0001265 deg
peri 327.237084601842 0.00014587 deg
M 80.84658642805834 7.1135e-05 deg
tp 2458693.249919419277
(2019-Jul-28.74991942)
0.00027016 TDB
period 1368.147177215542
3.75
1.7976e-05
4.922e-08
d
yr
n .2631295857604101 3.4572e-09 deg/d
Q 2.54743679781863 2.2314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      5495 days (15.04 yr)  
   first obs. used      2005-01-16  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67774  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:15:25  

Additional Information
 Earth MOID = 1.29249 au 
 Jupiter MOID = 2.56619 au 
 T_jup = 3.515 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO455270  

308167 (2005 BW20)          Discovered 2005-Jan-16 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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