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216375 (2008 BL20)
Classification: Main-belt Asteroid          SPK-ID: 2216375
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04044910203722793 5.0556e-08  
a 2.704389657683669 1.958e-08 au
q 2.594999524471599 1.4028e-07 au
i 3.676637465142155 5.057e-06 deg
node 124.1985334603781 7.9607e-05 deg
peri 235.8973836277684 9.7917e-05 deg
M 91.23910067800252 5.6169e-05 deg
tp 2458788.800043032528
(2019-Nov-01.30004303)
0.00025374 TDB
period 1624.434956141817
4.45
1.7642e-05
4.83e-08
d
yr
n .221615521531889 2.4068e-09 deg/d
Q 2.81377979089574 2.0372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      8059 days (22.06 yr)  
   first obs. used      1998-12-26  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57153  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:34  

Additional Information
 Earth MOID = 1.59081 au 
 Jupiter MOID = 2.35858 au 
 T_jup = 3.362 
[ 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 16.56   n/a MPCxxxxx  

216375 (2008 BL20)          Discovered 2008-Jan-30 by CSS at Catalina
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2008 BL20 = 2006 YP39 = 2008 AM84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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