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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456537.5 (2013-Sep-02.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358924314279072 4.4776e-08  
q 1.985216538809905 1.0307e-07 au
tp 2456713.869653411353
(2014-Feb-25.36965341)
6.0795e-05 TDB
node 173.7486462278805 0.00013311 deg
peri 203.8313351885879 0.00013417 deg
i 2.062503102244261 4.6234e-06 deg
  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
 Jupiter MOID = 2.84527 au 
 T_jup = 3.581 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.004896692819305E-15 -4.597537294589163E-15 3.300696290840773E-13 1.744954181527412E-14 2.029863501771695E-14 -7.110306985664716E-16
q -4.597537294589163E-15 1.062383830550204E-14 -6.995679508714005E-13 -4.012918280742151E-14 -3.483196628775185E-14 1.691660747637338E-15
tp 3.300696290840773E-13 -6.995679508714005E-13 3.695978586705419E-9 4.571285628895086E-12 1.043025369792572E-9 -5.463321101752716E-13
node 1.744954181527412E-14 -4.012918280742151E-14 4.571285628895086E-12 1.771749574906228E-8 -1.77047856511228E-8 3.201088771872049E-11
peri 2.029863501771695E-14 -3.483196628775185E-14 1.043025369792572E-9 -1.77047856511228E-8 1.80023298291164E-8 -3.212507660067174E-11
i -7.110306985664716E-16 1.691660747637338E-15 -5.463321101752716E-13 3.201088771872049E-11 -3.212507660067174E-11 2.137556273349619E-11

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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