Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
26870 (1993 TP28)
Classification: Main-belt Asteroid          SPK-ID: 2026870
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

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

[ show close-approach data ]
Alternate Designations
 1993 TP28 = 2000 GT51 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 23:29 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin