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85431 (1997 BE6)
Classification: Main-belt Asteroid          SPK-ID: 2085431
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1052636711030236 3.9833e-08  
a 3.003568730017808 2.156e-08 au
q 2.687402059085887 1.1428e-07 au
i 12.30815412981501 5.1118e-06 deg
node 143.5140937540855 1.9917e-05 deg
peri 97.04016862504876 3.1627e-05 deg
M 78.12586634946686 2.4005e-05 deg
tp 2458587.882984126604
(2019-Apr-14.38298413)
0.00012688 TDB
period 1901.318124908527
5.21
2.0472e-05
5.605e-08
d
yr
n .1893423279796061 2.0387e-09 deg/d
Q 3.319735400949729 2.383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      10455 days (28.62 yr)  
   first obs. used      1992-03-02  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55418  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:00  

Additional Information
 Earth MOID = 1.71042 au 
 Jupiter MOID = 1.83611 au 
 T_jup = 3.209 
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Orbital Elements at Epoch 2457709.5 (2016-Nov-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041943654595119 3.9841e-08  
q 2.691194905555413 1.1397e-07 au
tp 2458591.894995647459
(2019-Apr-18.39499565)
0.00012828 TDB
node 143.6105580263743 1.9947e-05 deg
peri 97.80920086033193 3.1886e-05 deg
i 12.29658726296901 5.1083e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      10455 days (28.62 yr)  
   first obs. used      1992-03-02  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55418  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:00  

Additional Information
 Jupiter MOID = 1.83611 au 
 T_jup = 3.209 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.587307740245397E-15 -4.483775833589513E-15 -9.296161545184501E-13 -9.371674662171193E-15 -2.131214758076251E-13 -1.323973765351787E-15
q -4.483775833589513E-15 1.298973448015429E-14 2.616669144277634E-12 2.562275432296116E-14 5.705431244805688E-13 5.504317852663354E-15
tp -9.296161545184501E-13 2.616669144277634E-12 1.645620832294517E-8 7.461099431957718E-12 3.20202145947464E-9 -4.571892256151731E-12
node -9.371674662171193E-15 2.562275432296116E-14 7.461099431957718E-12 3.978877585224565E-10 -3.869294606797765E-10 1.824962781347796E-11
peri -2.131214758076251E-13 5.705431244805688E-13 3.20202145947464E-9 -3.869294606797765E-10 1.016744022119107E-9 -1.884970357162105E-11
i -1.323973765351787E-15 5.504317852663354E-15 -4.571892256151731E-12 1.824962781347796E-11 -1.884970357162105E-11 2.609424137482327E-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 15.1   n/a MPO436373  
diameter diameter 6.215 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85431 (1997 BE6)          Discovered 1997-Jan-31 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Alternate Designations
 1997 BE6 = 2003 FR93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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