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7256 Bonhoeffer (1993 VJ5)
Classification: Main-belt Asteroid          SPK-ID: 2007256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170575254836807 1.3032e-08  
a 2.493402853368961 8.0208e-09 au
q 2.201531285319642 3.4448e-08 au
i 4.088898062673839 1.0931e-06 deg
node 103.3363241620417 1.3411e-05 deg
peri 343.3308921755939 1.8592e-05 deg
M 276.6681473732208 1.5591e-05 deg
tp 2459533.386084908482
(2021-Nov-14.88608491)
6.3329e-05 TDB
period 1438.093439537217
3.94
6.9391e-06
1.9e-08
d
yr
n .2503314389055617 1.2079e-09 deg/d
Q 2.785274421418281 8.9597e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2344  
   data-arc span      11435 days (31.31 yr)  
   first obs. used      1989-09-26  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45734  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:32:49  

Additional Information
 Earth MOID = 1.21793 au 
 Jupiter MOID = 2.39087 au 
 T_jup = 3.458 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.03   n/a E2021B10  
diameter diameter 4.810 km 0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.121   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7256 Bonhoeffer (1993 VJ5)          Discovered 1993-Nov-11 by Borngen, F. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1993 VJ5 = 1989 SD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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