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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
6603 Marycragg (1990 KG)
Classification: Main-belt Asteroid          SPK-ID: 2006603
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2018712838244295 4.2143e-08  
a 2.651809316908997 1.2317e-08 au
q 2.116485165646995 1.1132e-07 au
i 16.43541630886015 5.4045e-06 deg
node 114.1283135651714 1.5712e-05 deg
peri 107.0882288636113 2.0088e-05 deg
M 264.6892967370195 1.3148e-05 deg
tp 2459018.090911793071
(2020-Jun-17.59091179)
5.8777e-05 TDB
period 1577.29114463366
4.32
1.0989e-05
3.009e-08
d
yr
n .2282394098418737 1.5901e-09 deg/d
Q 3.187133468171 1.4803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1774  
   data-arc span      12734 days (34.86 yr)  
   first obs. used      1985-01-16  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 21:33:42  

Additional Information
 Earth MOID = 1.17158 au 
 Jupiter MOID = 2.0591 au 
 T_jup = 3.303 
[ 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 13.3   n/a MPO384814  
diameter diameter 10.871 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.124   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6603 Marycragg           Discovered 1990 May 19 by E. F. Helin at Palomar.
Mary A. Cragg (b. 1938) developed the Telescopes in Education (TIE) office infrastructure. It is used as a model for other remote educational telescope operations.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021120/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1990 KG = 1985 BJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-10 03:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin