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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
85255 (1993 TZ13)
Classification: Main-belt Asteroid          SPK-ID: 2085255
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020611983547973 4.1267e-08  
a 3.103625753918058 1.9017e-08 au
q 2.476503414836564 1.3402e-07 au
i 10.42374295307376 4.3584e-06 deg
node 185.5231594417346 1.9835e-05 deg
peri 191.2820468560657 2.2126e-05 deg
M 32.13701011289102 8.6142e-06 deg
tp 2459218.218854433495
(2021-Jan-03.71885443)
4.7541e-05 TDB
period 1997.112120215474
5.47
1.8355e-05
5.025e-08
d
yr
n .1802602850165261 1.6567e-09 deg/d
Q 3.730748092999552 2.2859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      13994 days (38.31 yr)  
   first obs. used      1982-10-19  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49014  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:50:54  

Additional Information
 Earth MOID = 1.4779 au 
 Jupiter MOID = 1.73458 au 
 T_jup = 3.164 
[ 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 14.59   n/a E2021B10  
diameter diameter 7.050 km 1.908 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.050   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

85255 (1993 TZ13)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 TZ13 = 1982 UC4 = 1998 QS79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-26 17:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin