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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389919383648513 3.5298e-08  
a 2.654787013442196 1.1008e-08 au
q 2.28579302049803 9.4444e-08 au
i 4.991947371248459 4.0043e-06 deg
node 46.00156421897601 4.1331e-05 deg
peri 340.1826672102134 4.3482e-05 deg
M 321.7488332813103 1.2558e-05 deg
tp 2458768.374657338816
(2019-Oct-11.87465734)
5.5114e-05 TDB
period 1579.94858265186
4.33
9.8264e-06
2.69e-08
d
yr
n .2278555162825357 1.4171e-09 deg/d
Q 3.023781006386361 1.2538e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1200  
   data-arc span      9518 days (26.06 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50961  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:56:08  

Additional Information
 Earth MOID = 1.29026 au 
 Jupiter MOID = 2.41918 au 
 T_jup = 3.369 
[ show covariance matrix ]

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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