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120765 (1998 BD13)
Classification: Main-belt Asteroid          SPK-ID: 2120765
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1540513753616885 4.1621e-08  
a 2.601606341216113 1.1677e-08 au
q 2.20082530620208 1.0866e-07 au
i 3.447307255211253 4.0145e-06 deg
node 94.54900395053788 8.2027e-05 deg
peri 34.7122329388753 8.3341e-05 deg
M 111.0304439085777 1.4369e-05 deg
tp 2458527.783919587203
(2019-Feb-13.28391959)
6.0422e-05 TDB
period 1532.712857463951
4.20
1.0319e-05
2.825e-08
d
yr
n .2348776538585715 1.5813e-09 deg/d
Q 3.002387376230145 1.3476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      8242 days (22.57 yr)  
   first obs. used      1998-01-22  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52587  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:57  

Additional Information
 Earth MOID = 1.21684 au 
 Jupiter MOID = 2.05056 au 
 T_jup = 3.395 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457109.5 (2015-Mar-28.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1553129163270779 4.1587e-08  
q 2.197137973836663 1.0902e-07 au
tp 2456995.888021490488
(2014-Dec-04.38802149)
5.8596e-05 TDB
node 94.56481284894689 8.2034e-05 deg
peri 34.65399715250561 8.332e-05 deg
i 3.447694562844949 4.0148e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      8242 days (22.57 yr)  
   first obs. used      1998-01-22  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52587  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:57  

Additional Information
 Jupiter MOID = 2.05056 au 
 T_jup = 3.395 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.729493223331285E-15 -4.514840409635057E-15 7.095714934791815E-13 1.382216646769402E-14 1.624846921893425E-13 -1.066474141168357E-15
q -4.514840409635057E-15 1.188625639275364E-14 -1.835182203291994E-12 -3.677570506077662E-14 -4.195572539274191E-13 2.940233601181861E-15
tp 7.095714934791815E-13 -1.835182203291994E-12 3.433518097488554E-9 1.258528513615719E-11 8.842116299346153E-10 -7.110109587323695E-13
node 1.382216646769402E-14 -3.677570506077662E-14 1.258528513615719E-11 6.729618606447955E-9 -6.713900700098804E-9 6.736285076733945E-11
peri 1.624846921893425E-13 -4.195572539274191E-13 8.842116299346153E-10 -6.713900700098804E-9 6.942201832646557E-9 -6.741281316999199E-11
i -1.066474141168357E-15 2.940233601181861E-15 -7.110109587323695E-13 6.736285076733945E-11 -6.741281316999199E-11 1.611858491609697E-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 15.8   n/a MPO469252  
diameter diameter 4.423 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120765 (1998 BD13)          Discovered 1998-Jan-23 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1998 BD13 = 2001 XJ154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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