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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2017725039005945 3.8977e-08  
a 2.651088537344279 9.6108e-09 au
q 2.116171765102159 1.051e-07 au
i 16.43635936881191 3.8238e-06 deg
node 114.1295601318626 1.5178e-05 deg
peri 107.1659279718376 1.8563e-05 deg
M 355.9292915156947 8.9644e-06 deg
tp 2459018.327985671225
(2020-Jun-17.82798567)
3.9252e-05 TDB
period 1576.648110859852
4.32
8.5736e-06
2.347e-08
d
yr
n .2283324969727506 1.2416e-09 deg/d
Q 3.186005309586398 1.155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2194  
   data-arc span      12936 days (35.42 yr)  
   first obs. used      1985-01-16  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45603  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:32:48  

Additional Information
 Earth MOID = 1.1712 au 
 Jupiter MOID = 2.05973 au 
 T_jup = 3.304 
[ 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 ]
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