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
JPL Small-Body Database Browser
Search: [ help ]  
190407 (1999 TK231)
Classification: Main-belt Asteroid          SPK-ID: 2190407
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1679246167543906 5.2884e-08  
a 2.768867207155973 2.5932e-08 au
q 2.303906242550507 1.5405e-07 au
i 6.220678736338257 5.6859e-06 deg
node 124.145232739098 4.69e-05 deg
peri 219.1831135615536 4.888e-05 deg
M 234.9532604051891 1.6388e-05 deg
tp 2459785.049765253803
(2022-Jul-24.54976525)		 8.0553e-05 TDB
period 1682.874069114089
4.61		 2.3642e-05
6.473e-08		 d
yr
n .2139197499130246 3.0052e-09 deg/d
Q 3.23382817176144 3.0287e-08 au
   Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      10192 days (27.90 yr)  
   first obs. used      1993-04-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55625  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:32  

Additional Information
 Earth MOID = 1.29782 au 
 Jupiter MOID = 2.17058 au 
 T_jup = 3.309 
[ 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 15.81   n/a E2021B55  

190407 (1999 TK231)          Discovered 1999-Oct-05 by CSS at Catalina
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 1999 TK231 = 2007 HE56 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 23:43 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin