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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0390544809771489 4.7333e-08  
a 2.568411606333054 1.7758e-08 au
q 2.468103624112031 1.1644e-07 au
i 5.639630977598172 4.333e-06 deg
node 117.6505623583851 5.2523e-05 deg
peri 105.3938011568487 7.9275e-05 deg
M 165.0154618282197 5.8755e-05 deg
tp 2457911.344064500709
(2017-Jun-06.84406450)
0.0002463 TDB
period 1503.472062745318
4.12
1.5592e-05
4.269e-08
d
yr
n .2394457528812642 2.4832e-09 deg/d
Q 2.668719588554076 1.8451e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      9642 days (26.40 yr)  
   first obs. used      1993-07-13  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54739  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:01:08  

Additional Information
 Earth MOID = 1.4654 au 
 Jupiter MOID = 2.31342 au 
 T_jup = 3.423 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456699.5 (2014-Feb-11.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03945306663413806 4.6843e-08  
q 2.467318080143978 1.1528e-07 au
tp 2456414.950368862098
(2013-May-02.45036886)
0.00024976 TDB
node 117.7117806884235 5.2493e-05 deg
peri 107.045715196045 7.9354e-05 deg
i 5.641013737566388 4.335e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      9642 days (26.40 yr)  
   first obs. used      1993-07-13  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54739  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:01:08  

Additional Information
 Jupiter MOID = 2.31342 au 
 T_jup = 3.423 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.194264676419849E-15 -5.347948175859991E-15 -2.977121718793625E-12 -3.179635746063319E-14 -6.892956175356756E-13 -3.045883518176579E-15
q -5.347948175859991E-15 1.329010172560495E-14 6.687604311765098E-12 7.753189314426169E-14 1.551617414323049E-12 8.01643442146329E-15
tp -2.977121718793625E-12 6.687604311765098E-12 6.237954513102107E-8 1.215775252670745E-10 1.489823625028313E-8 -4.943004005790337E-12
node -3.179635746063319E-14 7.753189314426169E-14 1.215775252670745E-10 2.755516363979858E-9 -2.712339505812423E-9 3.623171485521038E-11
peri -6.892956175356756E-13 1.551617414323049E-12 1.489823625028313E-8 -2.712339505812423E-9 6.297128608309375E-9 -3.719523546864893E-11
i -3.045883518176579E-15 8.01643442146329E-15 -4.943004005790337E-12 3.623171485521038E-11 -3.719523546864893E-11 1.87926216484546E-11

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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