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85916 (1999 CT98)
Classification: Main-belt Asteroid          SPK-ID: 2085916
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 .125843388189535 3.5069e-08  
a 2.616760543216656 1.3289e-08 au
q 2.287458530377584 9.1631e-08 au
i 6.389281132956661 4.2604e-06 deg
node 103.1034099683671 4.747e-05 deg
peri 352.6782514795511 5.7353e-05 deg
M 54.31209439470246 2.9196e-05 deg
tp 2458767.240977907746
(2019-Oct-10.74097791)
0.00012547 TDB
period 1546.124282060498
4.23
1.1778e-05
3.225e-08
d
yr
n .2328402730472826 1.7737e-09 deg/d
Q 2.946062556055728 1.4962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      7748 days (21.21 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:41:17  

Additional Information
 Earth MOID = 1.30444 au 
 Jupiter MOID = 2.20929 au 
 T_jup = 3.387 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457268.5 (2015-Sep-03.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1247618760830656 3.5505e-08  
q 2.290512160258172 9.2873e-08 au
tp 2457223.197814328019
(2015-Jul-19.69781433)
0.00012782 TDB
node 103.1732716909404 4.7457e-05 deg
peri 353.1936427927411 5.7464e-05 deg
i 6.389779761691432 4.2622e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      7748 days (21.21 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:41:17  

Additional Information
 Jupiter MOID = 2.20929 au 
 T_jup = 3.387 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.260583554849104E-15 -3.271400660521038E-15 1.607185331602184E-12 1.054277406272992E-14 3.993675582530462E-13 -1.7652532506864E-16
q -3.271400660521038E-15 8.625445583405082E-15 -4.468633734481319E-12 -2.902084399109972E-14 -1.11251838429298E-12 7.060229238405945E-16
tp 1.607185331602184E-12 -4.468633734481319E-12 1.633773716326488E-8 7.674196145568156E-11 4.178551214267061E-9 2.925868176304346E-12
node 1.054277406272992E-14 -2.902084399109972E-14 7.674196145568156E-11 2.252126394023694E-9 -2.217795802175827E-9 6.862543365941358E-11
peri 3.993675582530462E-13 -1.11251838429298E-12 4.178551214267061E-9 -2.217795802175827E-9 3.302155138088979E-9 -6.745625897416224E-11
i -1.7652532506864E-16 7.060229238405945E-16 2.925868176304346E-12 6.862543365941358E-11 -6.745625897416224E-11 1.816612720961867E-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 15.5   n/a MPO453290  
diameter diameter 4.857 km 0.587 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.057   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

85916 (1999 CT98)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1999 CT98 = 2002 YV29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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