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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1462528117994836 4.6434e-08  
a 2.32438928282327 1.2323e-08 au
q 1.984440814493782 1.1142e-07 au
i 2.795231003778667 7.9014e-06 deg
node 160.981163366142 9.4582e-05 deg
peri 257.1445679028648 9.8668e-05 deg
M 220.3458400442284 2.8146e-05 deg
tp 2459502.626450650938
(2021-Oct-15.12645065)
0.00010317 TDB
period 1294.379789986823
3.54
1.0294e-05
2.818e-08
d
yr
n .2781254796968554 2.2118e-09 deg/d
Q 2.664337751152758 1.4126e-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 = .998781 au 
 Jupiter MOID = 2.65336 au 
 T_jup = 3.559 
[ 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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