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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392760680499217 3.526e-08  
a 2.655565011453842 1.0497e-08 au
q 2.285708358207605 9.4318e-08 au
i 4.991378409174732 3.9969e-06 deg
node 46.00115549043687 3.8238e-05 deg
peri 340.1961797876343 4.0465e-05 deg
M 52.85667219908265 1.1806e-05 deg
tp 2458768.423508658922
(2019-Oct-11.92350866)
5.1956e-05 TDB
period 1580.64315074754
4.33
9.372e-06
2.566e-08
d
yr
n .227755391740219 1.3504e-09 deg/d
Q 3.025421664700078 1.1959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1325  
   data-arc span      9608 days (26.31 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:53:02  

Additional Information
 Earth MOID = 1.29089 au 
 Jupiter MOID = 2.41978 au 
 T_jup = 3.369 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456763.5 (2014-Apr-16.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1395552916121217 3.5259e-08  
q 2.285051437633897 9.4244e-08 au
tp 2457181.617455583772
(2015-Jun-08.11745558)
5.3407e-05 TDB
node 46.04864453739125 3.827e-05 deg
peri 338.941442314576 4.0485e-05 deg
i 4.991729153571766 3.9941e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1325  
   data-arc span      9608 days (26.31 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:53:02  

Additional Information
 Jupiter MOID = 2.41978 au 
 T_jup = 3.369 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.243170978327261E-15 -3.307934147051027E-15 1.014551503325393E-13 1.643110722204668E-15 1.621551386273739E-14 -2.915546006790658E-16
q -3.307934147051027E-15 8.881942142463761E-15 -3.834697005566343E-13 -4.248023333737021E-15 -7.435777116139085E-14 8.498613026775869E-16
tp 1.014551503325393E-13 -3.834697005566343E-13 2.852268072828737E-9 -2.259642231253857E-12 7.150465749493302E-10 5.135011676281138E-13
node 1.643110722204668E-15 -4.248023333737021E-15 -2.259642231253857E-12 1.46459845718236E-9 -1.459315406302037E-9 -1.412083305977471E-11
peri 1.621551386273739E-14 -7.435777116139085E-14 7.150465749493302E-10 -1.459315406302037E-9 1.639035232976434E-9 1.417350934309332E-11
i -2.915546006790658E-16 8.498613026775869E-16 5.135011676281138E-13 -1.412083305977471E-11 1.417350934309332E-11 1.595312609010961E-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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