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123776 (2001 BF7)
Classification: Main-belt Asteroid          SPK-ID: 2123776
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2450139146352711 4.1382e-08  
a 2.803850012810909 1.4986e-08 au
q 2.116867745121954 1.1676e-07 au
i 8.26779449628204 7.1183e-06 deg
node 319.1587415379468 2.629e-05 deg
peri 77.45948084061521 3.2079e-05 deg
M 101.0417955025029 1.5451e-05 deg
tp 2458519.185275202353
(2019-Feb-04.68527520)
7.2034e-05 TDB
period 1714.867595784765
4.70
1.3748e-05
3.764e-08
d
yr
n .2099287437029535 1.683e-09 deg/d
Q 3.490832280499866 1.8657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      7563 days (20.71 yr)  
   first obs. used      1999-08-08  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:03:42  

Additional Information
 Earth MOID = 1.14197 au 
 Jupiter MOID = 2.06442 au 
 T_jup = 3.264 
[ 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 15.5   n/a MPO453711  
diameter diameter 2.718 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.181   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123776 (2001 BF7)          Discovered 2001-Jan-19 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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