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97445 (2000 BK21)
Classification: Main-belt Asteroid          SPK-ID: 2097445
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05486258844538507 4.5506e-08  
a 2.977627690337713 2.5222e-08 au
q 2.814267327819132 1.3993e-07 au
i 8.436561273236052 6.8173e-06 deg
node 308.03562310721 5.1813e-05 deg
peri 137.1616387893531 0.00010006 deg
M 27.37864442154227 8.4798e-05 deg
tp 2458857.770593699004
(2020-Jan-09.27059370)
0.00044163 TDB
period 1876.739603218974
5.14
2.3845e-05
6.528e-08
d
yr
n .1918220297491084 2.4372e-09 deg/d
Q 3.140988052856293 2.6606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      8213 days (22.49 yr)  
   first obs. used      1997-08-05  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56517  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:16:56  

Additional Information
 Earth MOID = 1.83754 au 
 Jupiter MOID = 1.98786 au 
 T_jup = 3.242 
[ 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 14.9   n/a MPO412728  
diameter diameter 3.416 km 0.568 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.200   0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97445 (2000 BK21)          Discovered 2000-Jan-29 by Spacewatch at Kitt Peak
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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