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382021 (2011 BN70)
Classification: Main-belt Asteroid          SPK-ID: 2382021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05372506278546722 6.7527e-08  
a 2.416176889971524 1.826e-08 au
q 2.286367634857009 1.5738e-07 au
i 5.281204354656799 6.5072e-06 deg
node 151.259164319634 4.9439e-05 deg
peri 358.1732070143538 7.8558e-05 deg
M 172.8439658722967 6.5379e-05 deg
tp 2458341.867377451470
(2018-Aug-11.36737745)
0.00024427 TDB
period 1371.802266401676
3.76
1.5551e-05
4.258e-08
d
yr
n .2624284919314959 2.9749e-09 deg/d
Q 2.545986145086039 1.9241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      8983 days (24.59 yr)  
   first obs. used      1996-03-12  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60459  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:45:38  

Additional Information
 Earth MOID = 1.29719 au 
 Jupiter MOID = 2.43409 au 
 T_jup = 3.509 
[ 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 17.43   n/a E2021B25  

382021 (2011 BN70)          Discovered 1996-Mar-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ show close-approach data ]
Alternate Designations
 2011 BN70 = 1996 EN9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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