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79905 (1999 BH20)
Classification: Main-belt Asteroid          SPK-ID: 2079905
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1489954981521829 4.2955e-08  
a 2.776348595745171 1.6142e-08 au
q 2.362685153678006 1.2211e-07 au
i 13.4293872712878 5.4667e-06 deg
node 39.28245719628098 1.636e-05 deg
peri 311.0409762892048 2.26e-05 deg
M 326.5272564550122 1.6891e-05 deg
tp 2459157.607974105005
(2020-Nov-04.10797411)
7.9847e-05 TDB
period 1689.699280305059
4.63
1.4736e-05
4.034e-08
d
yr
n .2130556627419558 1.8581e-09 deg/d
Q 3.190012037812336 1.8547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      951  
   data-arc span      7897 days (21.62 yr)  
   first obs. used      1998-12-17  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55151  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:36:54  

Additional Information
 Earth MOID = 1.38244 au 
 Jupiter MOID = 2.33285 au 
 T_jup = 3.279 
[ 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 14.5   n/a MPO395719  
diameter diameter 3.958 km 0.485 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.196   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79905 (1999 BH20)          Discovered 1999-Jan-16 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1999 BH20 = 2002 RK63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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