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 ]  
20240 (1998 DC13)
Classification: Main-belt Asteroid          SPK-ID: 2020240
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817541998109525 3.0096e-08  
a 2.215131312541967 5.2097e-09 au
q 1.812521893354717 6.7596e-08 au
i 3.529406780056457 3.3683e-06 deg
node 145.9109485632177 4.5749e-05 deg
peri 239.608001193491 4.6456e-05 deg
M 94.027969941975 8.7948e-06 deg
tp 2458885.977151494818
(2020-Feb-06.47715149)
2.8984e-05 TDB
period 1204.197278019926
3.30
4.2482e-06
1.163e-08
d
yr
n .2989543379403347 1.0546e-09 deg/d
Q 2.617740731729217 6.1566e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2090  
   data-arc span      13677 days (37.45 yr)  
   first obs. used      1983-10-04  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48443  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:15:53  

Additional Information
 Earth MOID = .818093 au 
 Jupiter MOID = 2.83587 au 
 T_jup = 3.630 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO531249  

20240 (1998 DC13)          Discovered 1998-Feb-24 by JPL/GEODSS NEAT at Haleakala
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 DC13 = 1983 TQ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 14:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin