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7259 Gaithersburg (1994 EG1)
Classification: Main-belt Asteroid          SPK-ID: 2007259
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1160065110020175 2.7937e-08  
a 2.64761957119959 1.1171e-08 au
q 2.340478462284068 7.4871e-08 au
i 13.74936337858577 3.5829e-06 deg
node 166.3252851252048 1.6869e-05 deg
peri 332.5691717470586 2.5601e-05 deg
M 313.4307809521783 1.9964e-05 deg
tp 2458804.053350460871
(2019-Nov-16.55335046)
8.7613e-05 TDB
period 1573.554542339729
4.31
9.9592e-06
2.727e-08
d
yr
n .2287813928996154 1.448e-09 deg/d
Q 2.954760680115112 1.2467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1944  
   data-arc span      25113 days (68.76 yr)  
   first obs. used      1951-03-06  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46851  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:23:14  

Additional Information
 Earth MOID = 1.36045 au 
 Jupiter MOID = 2.06854 au 
 T_jup = 3.342 
[ 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 13.2   n/a MPO431583  

7259 Gaithersburg           Discovered 1994 Mar. 6 by Y. Shimizu and T. Urata at the Nachi-Katsuura Observatory.
Gaithersburg, Maryland, is a city to the north of Washington, D.C. Located at the agreed latitude of +39°08', one of the six stations of the International Latitude Service was established there in 1899, and it is now the home of the National Institute of Standards and Technology.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020128/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1994 EG1 = 1938 EN = 1951 EE = 1977 EC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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