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85018 (2004 BL54)
Classification: Main-belt Asteroid          SPK-ID: 2085018
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03880323588840739 4.3831e-08  
a 2.568775660107889 1.6221e-08 au
q 2.469098852224323 1.0978e-07 au
i 5.63999643416243 4.2542e-06 deg
node 117.646458398087 4.9476e-05 deg
peri 105.5621185911064 7.4828e-05 deg
M 260.5928517281467 5.6335e-05 deg
tp 2459415.743466176131
(2021-Jul-20.24346618)
0.00023547 TDB
period 1503.791733513935
4.12
1.4244e-05
3.9e-08
d
yr
n .239394852343537 2.2675e-09 deg/d
Q 2.668452467991455 1.685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      9695 days (26.54 yr)  
   first obs. used      1993-07-13  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:24:51  

Additional Information
 Earth MOID = 1.46635 au 
 Jupiter MOID = 2.31272 au 
 T_jup = 3.423 
[ 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 15.6   n/a MPO417410  

85018 (2004 BL54)          Discovered 2004-Jan-22 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 2004 BL54 = 2000 CL111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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