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JPL Small-Body Database Browser
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173579 (2001 BT73)
Classification: Main-belt Asteroid          SPK-ID: 2173579
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470542498673026 4.642e-08  
a 2.322860653883378 1.2353e-08 au
q 1.981274122880285 1.1127e-07 au
i 2.795404841321159 7.9031e-06 deg
node 161.019074281303 9.4611e-05 deg
peri 257.1103584360176 9.8641e-05 deg
M 109.0212150960983 2.7558e-05 deg
tp 2458208.900903813177
(2018-Mar-31.40090381)
9.7676e-05 TDB
period 1293.103131376689
3.54
1.0315e-05
2.824e-08
d
yr
n .2784000682271412 2.2209e-09 deg/d
Q 2.66444718488647 1.417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      6654 days (18.22 yr)  
   first obs. used      2001-01-21  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57106  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:31:59  

Additional Information
 Earth MOID = .995231 au 
 Jupiter MOID = 2.65402 au 
 T_jup = 3.560 
[ 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 16.8   n/a MPO427059  
diameter diameter 2.048 km 0.644 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173579 (2001 BT73)          Discovered 2001-Jan-29 by Uppsala-DLR Asteroid Survey at Kvistaberg
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 BT73 = 2003 UL26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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