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JPL Small-Body Database Browser
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173567 (2001 BY9)
Classification: Main-belt Asteroid          SPK-ID: 2173567
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1370064053965593 4.4897e-08  
a 2.296736665264802 1.0363e-08 au
q 1.98206903061439 1.0347e-07 au
i 2.065299574730137 4.6265e-06 deg
node 173.7108046925044 0.00013288 deg
peri 203.9215273880959 0.00013393 deg
M 173.983281398277 1.7737e-05 deg
tp 2457986.073060553788
(2017-Aug-20.57306055)
6.1486e-05 TDB
period 1271.350306896941
3.48
8.6047e-06
2.356e-08
d
yr
n .2831634979336835 1.9165e-09 deg/d
Q 2.611404299915213 1.1783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2001-01-16  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54684  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:08:22  

Additional Information
 Earth MOID = .983057 au 
 Jupiter MOID = 2.84527 au 
 T_jup = 3.581 
[ 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 16.7   n/a MPO385762  
diameter diameter 1.471 km 0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.187   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173567 (2001 BY9)          Discovered 2001-Jan-16 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 2001 BY9 = 2003 SP213 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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