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160487 (2007 BL20)
Classification: Main-belt Asteroid          SPK-ID: 2160487
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1274612887014762 4.1806e-08  
a 2.43704974326866 1.1857e-08 au
q 2.126420242362034 9.7627e-08 au
i 2.451420756640857 3.5874e-06 deg
node 103.7632844759826 0.00010617 deg
peri 55.88271764100546 0.00010805 deg
M 217.1361518691992 2.208e-05 deg
tp 2459751.961071988672
(2022-Jun-21.46107199)
8.7915e-05 TDB
period 1389.616677090756
3.80
1.0141e-05
2.776e-08
d
yr
n .2590642483894776 1.8906e-09 deg/d
Q 2.747679244175285 1.3368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      10460 days (28.64 yr)  
   first obs. used      1992-03-26  
   last obs. used      2020-11-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56034  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:33  

Additional Information
 Earth MOID = 1.13615 au 
 Jupiter MOID = 2.2309 au 
 T_jup = 3.491 
[ 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 16.87   n/a E2021B55  

160487 (2007 BL20)          Discovered 2007-Jan-23 by LONEOS at Anderson Mesa
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Alternate Designations
 2007 BL20 = 2000 KW1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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