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 ]  
164782 (1999 DK4)
Classification: Main-belt Asteroid          SPK-ID: 2164782
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08692211799426464 4.3301e-08  
a 2.935075818737043 2.0869e-08 au
q 2.679952812098669 1.2891e-07 au
i 1.352801039704825 4.9418e-06 deg
node 225.8400688189513 0.00017276 deg
peri 358.3689335538193 0.0001748 deg
M 53.52776567057337 2.4478e-05 deg
tp 2458927.411112422696
(2020-Mar-18.91111242)
0.00012573 TDB
period 1836.654272716561
5.03
1.9589e-05
5.363e-08
d
yr
n .1960085822072168 2.0905e-09 deg/d
Q 3.190198825375417 2.2683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      9628 days (26.36 yr)  
   first obs. used      1994-02-11  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51206  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:20:21  

Additional Information
 Earth MOID = 1.66963 au 
 Jupiter MOID = 1.78596 au 
 T_jup = 3.269 
[ 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 15.90   n/a E2021B55  

164782 (1999 DK4)          Discovered 1999-Feb-16 by Ondrejov at Ondrejov
Reference: 20071026/Numbers.arcLast Updated: 2007-10-28

[ show close-approach data ]
Alternate Designations
 1999 DK4 = 2002 VZ131 = 2005 JZ166 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-22 00:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin