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160847 (2001 BD68)
Classification: Inner Main-belt Asteroid          SPK-ID: 2160847
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06041216474924765 6.2401e-08  
a 1.9177353202875 6.8377e-09 au
q 1.801880778172841 1.1935e-07 au
i 20.26923093805263 6.5297e-06 deg
node 335.2029409556794 1.3442e-05 deg
peri 64.64994884214626 6.3501e-05 deg
M 276.1857025249954 5.7577e-05 deg
tp 2459426.338008687533
(2021-Jul-30.83800869)
0.00015502 TDB
period 970.0216499667947
2.66
5.188e-06
1.42e-08
d
yr
n .3711257372578471 1.9849e-09 deg/d
Q 2.03358986240216 7.2508e-09 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      6622 days (18.13 yr)  
   first obs. used      2000-12-04  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53265  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:32:56  

Additional Information
 Earth MOID = .840122 au 
 Jupiter MOID = 3.13698 au 
 T_jup = 3.850 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457184.5 (2015-Jun-11.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06059912243965519 6.2303e-08  
q 1.801239632871288 1.1917e-07 au
tp 2457486.791629665955
(2016-Apr-08.29162967)
0.00015608 TDB
node 335.2422416754447 1.3439e-05 deg
peri 64.66962314908642 6.3399e-05 deg
i 20.27149100082938 6.5302e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      6622 days (18.13 yr)  
   first obs. used      2000-12-04  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53265  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:32:56  

Additional Information
 Jupiter MOID = 3.13698 au 
 T_jup = 3.850 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.881665801400728E-15 -7.414046353034373E-15 -6.315700670263774E-12 3.098488199505916E-14 -2.534450716833183E-12 -4.320958042486809E-14
q -7.414046353034373E-15 1.420181488091616E-14 1.194939737353112E-11 -5.823217818577222E-14 4.788014382392992E-12 8.393032795869448E-14
tp -6.315700670263774E-12 1.194939737353112E-11 2.435981532927603E-8 -9.523653249518764E-11 9.680916898964242E-9 6.168541896003531E-11
node 3.098488199505916E-14 -5.823217818577222E-14 -9.523653249518764E-11 1.806142347503253E-10 -2.062942330988606E-10 3.160373682386482E-11
peri -2.534450716833183E-12 4.788014382392992E-12 9.680916898964242E-9 -2.062942330988606E-10 4.019440644281354E-9 -5.623099719844594E-12
i -4.320958042486809E-14 8.393032795869448E-14 6.168541896003531E-11 3.160373682386482E-11 -5.623099719844594E-12 4.264374455922799E-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 15.9   n/a MPO459736  
diameter diameter 1.341 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.679   0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160847 (2001 BD68)          Discovered 2001-Jan-31 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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