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227819 (2007 BY79)
Classification: Main-belt Asteroid          SPK-ID: 2227819
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1893316702452164 5.5426e-08  
a 2.34700825814957 1.3892e-08 au
q 1.902645264554796 1.2688e-07 au
i 7.753786489405164 5.5596e-06 deg
node 159.9286164885256 4.791e-05 deg
peri 249.366277452379 5.3326e-05 deg
M 22.16667895322906 1.8057e-05 deg
tp 2459119.633530306966
(2020-Sep-27.13353031)
6.6077e-05 TDB
period 1313.319381352409
3.60
1.166e-05
3.192e-08
d
yr
n .2741145871381911 2.4338e-09 deg/d
Q 2.791371251744344 1.6522e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      8160 days (22.34 yr)  
   first obs. used      1998-09-12  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:12:14  

Additional Information
 Earth MOID = .927456 au 
 Jupiter MOID = 2.62748 au 
 T_jup = 3.524 
[ 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 17.2   n/a MPO437078  
diameter diameter 1.715 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227819 (2007 BY79)          Discovered 2007-Jan-29 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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