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(2021 BL)
Classification: Apollo [NEO]          SPK-ID: 54106295
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6293700135312522 0.00070822  
a 2.368026650254269 0.0042829 au
q .8776616853413739 8.9706e-05 au
i 7.155829348201814 0.0058541 deg
node 121.9117964766695 0.0001631 deg
peri 40.29691254362941 0.0028687 deg
M 288.5496564544877 0.19569 deg
tp 2459264.667949991278
(2021-Feb-19.16794999)
0.0068286 TDB
period 1331.00076609545
3.64
3.611
0.009886
d
yr
n .2704731726459302 0.00073379 deg/d
Q 3.858391615167164 0.0069785 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      8 days  
   first obs. used      2021-01-09  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .4482  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-17 16:42:02  

Additional Information
 Earth MOID = .00706501 au 
 Jupiter MOID = 1.15943 au 
 T_jup = 3.238 
[ 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 26.0   .21331 E2021B55 autocmod 2.8

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