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 ]  
91598 (1999 TK13)
Classification: Main-belt Asteroid          SPK-ID: 2091598
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2291081302498741 4.3951e-08  
a 3.070576101644657 1.6103e-08 au
q 2.367082152206903 1.411e-07 au
i 7.070187130788501 3.2443e-06 deg
node 85.8212401994155 3.6112e-05 deg
peri 290.2116492939422 3.7027e-05 deg
M 31.12667168872165 7.3756e-06 deg
tp 2459226.574557607449
(2021-Jan-12.07455761)
3.9963e-05 TDB
period 1965.297153292616
5.38
1.546e-05
4.233e-08
d
yr
n .1831784060730277 1.441e-09 deg/d
Q 3.774070051082412 1.9792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1209  
   data-arc span      7820 days (21.41 yr)  
   first obs. used      1999-09-13  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:17:44  

Additional Information
 Earth MOID = 1.37953 au 
 Jupiter MOID = 1.73999 au 
 T_jup = 3.179 
[ 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 14.36   n/a E2021B10  
diameter diameter 7.203 km 2.345 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.089   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

91598 (1999 TK13)          Discovered 1999-Oct-11 by Linderholm, R. at Lime Creek
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
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-18 09:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin