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26870 (1993 TP28)
Classification: Main-belt Asteroid          SPK-ID: 2026870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389919383388573 3.5297e-08  
a 2.654787013116552 1.0628e-08 au
q 2.285793020286657 9.4408e-08 au
i 4.991947310254381 4.0007e-06 deg
node 46.00155747811785 3.9245e-05 deg
peri 340.1826736825907 4.1446e-05 deg
M 321.7488336441721 1.2052e-05 deg
tp 2458768.374655715420
(2019-Oct-11.87465572)
5.2812e-05 TDB
period 1579.948582361158
4.33
9.4872e-06
2.597e-08
d
yr
n .2278555163244599 1.3682e-09 deg/d
Q 3.023781005946446 1.2105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1260  
   data-arc span      9551 days (26.15 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4987  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:32:11  

Additional Information
 Earth MOID = 1.29026 au 
 Jupiter MOID = 2.41918 au 
 T_jup = 3.369 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456675.5 (2014-Jan-18.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1396221333448852 3.5283e-08  
q 2.284737308840625 9.4364e-08 au
tp 2457181.634328410955
(2015-Jun-08.13432841)
5.3879e-05 TDB
node 46.05093630404915 3.928e-05 deg
peri 338.9575395162967 4.1458e-05 deg
i 4.991979950497467 3.9978e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1260  
   data-arc span      9551 days (26.15 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4987  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:32:11  

Additional Information
 Jupiter MOID = 2.41918 au 
 T_jup = 3.369 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.244871977373914E-15 -3.314053315257698E-15 9.374039729533729E-14 -1.579590366212365E-16 1.662750556751478E-14 -2.644187069576304E-16
q -3.314053315257698E-15 8.904564177657718E-15 -3.514219694759846E-13 7.847274972667116E-16 -7.351976703816796E-14 7.817119802436402E-16
tp 9.374039729533729E-14 -3.514219694759846E-13 2.902952501193209E-9 -2.944027752689247E-12 7.247996318220495E-10 5.450130556922099E-13
node -1.579590366212365E-16 7.847274972667116E-16 -2.944027752689247E-12 1.542888187149792E-9 -1.537501287252204E-9 -1.542159499360602E-11
peri 1.662750556751478E-14 -7.351976703816796E-14 7.247996318220495E-10 -1.537501287252204E-9 1.718729529019458E-9 1.547594250247031E-11
i -2.644187069576304E-16 7.817119802436402E-16 5.450130556922099E-13 -1.542159499360602E-11 1.547594250247031E-11 1.598262026746949E-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 14.6   n/a MPO452545  
diameter diameter 3.871 km 0.345 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.205   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26870 (1993 TP28)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 TP28 = 2000 GT51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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