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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457784.5 (2017-Jan-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05300591707586368 6.6862e-08  
q 2.288267231082398 1.5562e-07 au
tp 2458337.748592815637
(2018-Aug-07.24859282)
0.00025102 TDB
node 151.3342022749972 4.9497e-05 deg
peri 357.1086328410067 7.9978e-05 deg
i 5.277962595550717 6.5046e-06 deg
  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
 Jupiter MOID = 2.43409 au 
 T_jup = 3.509 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.470546866044714E-15 -1.034985922480729E-14 9.987976843077532E-12 -5.178837099139277E-15 2.471162604117975E-12 -3.082707184580583E-15
q -1.034985922480729E-14 2.42178394048994E-14 -2.127976699846976E-11 1.213284734829449E-14 -5.275474419025299E-12 7.147969085350376E-15
tp 9.987976843077532E-12 -2.127976699846976E-11 6.301353163898576E-8 -1.543093921581583E-11 1.578230106052359E-8 -1.428470496968507E-11
node -5.178837099139277E-15 1.213284734829449E-14 -1.543093921581583E-11 2.449927488438136E-9 -2.443005526266313E-9 1.039038239475416E-10
peri 2.471162604117975E-12 -5.275474419025299E-12 1.578230106052359E-8 -2.443005526266313E-9 6.396527304377427E-9 -1.071299607007965E-10
i -3.082707184580583E-15 7.147969085350376E-15 -1.428470496968507E-11 1.039038239475416E-10 -1.071299607007965E-10 4.230933631895441E-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 17.3   n/a MPO434366  

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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