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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389919383295709 3.5297e-08  
a 2.654787013012516 1.066e-08 au
q 2.285793020221734 9.4413e-08 au
i 4.991947318013832 4.0008e-06 deg
node 46.001559069783 3.9458e-05 deg
peri 340.1826720004304 4.1653e-05 deg
M 321.7488337830922 1.2096e-05 deg
tp 2458768.374655095867
(2019-Oct-11.87465510)
5.3012e-05 TDB
period 1579.948582268285
4.33
9.5166e-06
2.606e-08
d
yr
n .2278555163378537 1.3724e-09 deg/d
Q 3.023781005803297 1.2142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1240  
   data-arc span      9546 days (26.14 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50227  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:58:08  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1944-Oct-24 16:07 00:02 Hygie 0.0456923919444128 0.0456819102764995 0.0457028741324266 4.01238935492755 4.01238914418343 2431388.171597810 2.21744794413817 575.979176569968 43.0310616893395 25.1061072996428 68126.0315144901 T 22 CATAB v2.0f-lin.ifort 2019-Dec-04 00:58:22 2019-Dec-04 00:58
1956-May-30 08:18 00:05 Europ 0.0430422503712678 0.0430410292568418 0.0430434729657015 3.02815488017673 3.02815479863148 2435623.845641956 4.73769122992183 449.610515339606 27.463927235442 83.0489948821408 232465.495407051 T 22 CATAB v2.0f-lin.ifort 2019-Dec-04 00:58:22 2019-Dec-04 00:58
2087-Nov-08 13:48 00:03 Eunom 0.0467159612270087 0.0467126244852504 0.0467193029807754 4.41093409811104 4.41093402998737 2483633.074672115 2.52956149441882 788.020913274378 23.7317576347474 -77.9334815098083 287734.432566243 T 22 CATAB v2.0f-lin.ifort 2019-Dec-04 00:58:22 2019-Dec-04 00:58

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