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85256 (1993 TC14)
Classification: Main-belt Asteroid          SPK-ID: 2085256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .206811249213262 4.8058e-08  
a 3.162734235280477 2.5614e-08 au
q 2.508645217152571 1.5825e-07 au
i .2794510394965744 5.1029e-06 deg
node 181.898028228121 0.0010322 deg
peri 142.5705461164202 0.0010323 deg
M 299.1873591699226 1.2136e-05 deg
tp 2459347.543439519226
(2021-May-13.04343952)
7.1372e-05 TDB
period 2054.43533649552
5.62
2.4958e-05
6.833e-08
d
yr
n .1752306308234029 2.1287e-09 deg/d
Q 3.816823253408384 3.0912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      9607 days (26.30 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57419  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:29:00  

Additional Information
 Earth MOID = 1.49661 au 
 Jupiter MOID = 1.52881 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456868.5 (2014-Jul-30.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2057574631872952 4.7995e-08  
q 2.512425794157416 1.578e-07 au
tp 2457295.517669040936
(2015-Sep-30.01766904)
6.2911e-05 TDB
node 181.8365529949334 0.0010322 deg
peri 143.0623346020307 0.0010323 deg
i .2793263558725009 5.1032e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      9607 days (26.30 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57419  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:29:00  

Additional Information
 Jupiter MOID = 1.52881 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.303507742549321E-15 -7.512084550665956E-15 -3.843825169221161E-13 -2.642333782753492E-14 -4.066121371871531E-14 -1.397636743332926E-16
q -7.512084550665956E-15 2.490113723723703E-14 1.448027992532871E-12 9.878469199499125E-14 1.35087746693025E-13 4.100168387671425E-16
tp -3.843825169221161E-13 1.448027992532871E-12 3.957740260600821E-9 2.766708329689638E-11 7.704424153709426E-10 -3.932792135778527E-14
node -2.642333782753492E-14 9.878469199499125E-14 2.766708329689638E-11 1.065482634781106E-6 -1.065463981458625E-6 -7.203786956364114E-10
peri -4.066121371871531E-14 1.35087746693025E-13 7.704424153709426E-10 -1.065463981458625E-6 1.065621006848123E-6 7.203601658843822E-10
i -1.397636743332926E-16 4.100168387671425E-16 -3.932792135778527E-14 -7.203786956364114E-10 7.203601658843822E-10 2.60430396138493E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO432396  
diameter diameter 3.904 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85256 (1993 TC14)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 TC14 = 1998 MD44 = 1999 VB101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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