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JPL Small-Body Database Browser
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(2018 BL1)
Classification: Apollo [NEO]          SPK-ID: 3797743
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6955433092038891 0.00016898  
a 2.251326276583621 0.0011275 au
q .6854313480709792 3.7173e-05 au
i 6.176809292314985 0.0014428 deg
node 126.3956237075657 0.00067333 deg
peri 91.91324811544224 0.00097916 deg
M 232.7268335718129 0.17349 deg
tp 2459436.704795326098
(2021-Aug-10.20479533)
0.92229 TDB
period 1233.832163718503
3.38
0.92685
0.002538
d
yr
n .2917738818827984 0.00021918 deg/d
Q 3.817221205096263 0.0019117 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      23 days  
   first obs. used      2018-01-16  
   last obs. used      2018-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .66276  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 06:21:23  

Additional Information
 Earth MOID = .0187517 au 
 Jupiter MOID = 1.22023 au 
 T_jup = 3.251 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.3   n/a MPO438050  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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