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173166 (1997 BP2)
Classification: Main-belt Asteroid          SPK-ID: 2173166
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1413093156005815 6.2326e-08  
a 3.165091043052864 2.8284e-08 au
q 2.717834193945533 1.8929e-07 au
i 28.57869748884133 4.8641e-06 deg
node 131.6217262927682 1.2573e-05 deg
peri 34.41231097094403 2.519e-05 deg
M 34.68320887505354 1.914e-05 deg
tp 2458802.349803268349
(2019-Nov-14.84980327)
0.0001096 TDB
period 2056.732151871406
5.63
2.7569e-05
7.548e-08
d
yr
n .175034945446075 2.3462e-09 deg/d
Q 3.612347892160194 3.2281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      12634 days (34.59 yr)  
   first obs. used      1986-02-07  
   last obs. used      2020-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56295  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:24:24  

Additional Information
 Earth MOID = 1.76041 au 
 Jupiter MOID = 1.51253 au 
 T_jup = 3.000 
[ 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 14.3   n/a MPO469855  
diameter diameter 7.675 km 0.423 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173166 (1997 BP2)          Discovered 1997-Jan-30 by Kobayashi, T. at Oizumi
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1997 BP2 = 1986 CC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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