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 ]  
79921 (1999 CK31)
Classification: Main-belt Asteroid          SPK-ID: 2079921
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1953327796712773 4.7724e-08  
a 2.735310898836398 1.4684e-08 au
q 2.201015017701545 1.3013e-07 au
i 4.669551978783069 5.1516e-06 deg
node 84.70262697660732 6.6749e-05 deg
peri 15.46853811638082 6.8052e-05 deg
M 280.5757028299248 1.3774e-05 deg
tp 2459365.051886858631
(2021-May-30.55188686)
6.4615e-05 TDB
period 1652.374448943238
4.52
1.3306e-05
3.643e-08
d
yr
n .2178682926441007 1.7544e-09 deg/d
Q 3.269606779971252 1.7552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      9354 days (25.61 yr)  
   first obs. used      1994-01-09  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53037  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:49:15  

Additional Information
 Earth MOID = 1.2183 au 
 Jupiter MOID = 1.90194 au 
 T_jup = 3.320 
[ 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 15.4   n/a MPO348014  

79921 (1999 CK31)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 CK31 = 2002 TU258 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-21 13:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin