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227812 (2007 BJ47)
Classification: Main-belt Asteroid          SPK-ID: 2227812
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110776289145273 4.3062e-08  
a 2.294492034123174 1.0785e-08 au
q 2.039625299409501 1.0055e-07 au
i 3.225637583003194 5.5777e-06 deg
node 16.67325740889374 8.1887e-05 deg
peri 94.10192642162558 8.6794e-05 deg
M 22.45279677642953 2.9086e-05 deg
tp 2459121.323517648844
(2020-Sep-28.82351765)
0.0001023 TDB
period 1269.487001117767
3.48
8.9506e-06
2.451e-08
d
yr
n .2835791147786663 1.9994e-09 deg/d
Q 2.549358768836846 1.1983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      22030 days (60.31 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58637  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:12:13  

Additional Information
 Earth MOID = 1.05914 au 
 Jupiter MOID = 2.53429 au 
 T_jup = 3.586 
[ 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 17.3   n/a MPO310572  
diameter diameter 1.933 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227812 (2007 BJ47)          Discovered 2007-Jan-26 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2007 BJ47 = 1995 UY39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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