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173569 (2001 BL20)
Classification: Main-belt Asteroid          SPK-ID: 2173569
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08120123683962296 3.9788e-08  
a 2.283751633101754 1.2364e-08 au
q 2.098308175859383 9.8412e-08 au
i 8.567461453839451 3.3971e-06 deg
node 102.3655762950772 3.4083e-05 deg
peri 340.3434020913578 5.005e-05 deg
M 256.561166876228 3.7092e-05 deg
tp 2459362.703668939674
(2021-May-28.20366894)
0.00013118 TDB
period 1260.583833754754
3.45
1.0237e-05
2.803e-08
d
yr
n .2855819584229555 2.3191e-09 deg/d
Q 2.469195090344125 1.3368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      7230 days (19.79 yr)  
   first obs. used      2001-01-04  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60383  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:19:55  

Additional Information
 Earth MOID = 1.11649 au 
 Jupiter MOID = 2.68405 au 
 T_jup = 3.584 
[ 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 16.6   n/a MPO436861  

173569 (2001 BL20)          Discovered 2001-Jan-19 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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