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9252 Goddard (9058 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2009252
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631140387653772 3.4635e-08  
a 3.096690687137098 1.3101e-08 au
q 2.591576962351034 1.0766e-07 au
i 3.197670110604697 2.9602e-06 deg
node 265.7980365193441 7.0927e-05 deg
peri 83.26801009626968 7.18e-05 deg
M 24.56213621979053 9.5724e-06 deg
tp 2459064.697175180402
(2020-Aug-03.19717518)
5.3088e-05 TDB
period 1990.422025901137
5.45
1.2631e-05
3.458e-08
d
yr
n .180866165725339 1.1478e-09 deg/d
Q 3.60180441192316 1.5238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2121  
   data-arc span      22056 days (60.39 yr)  
   first obs. used      1960-10-17  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:16:11  

Additional Information
 Earth MOID = 1.586 au 
 Jupiter MOID = 1.84807 au 
 T_jup = 3.200 
[ 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 13.19   n/a E2021B10  
diameter diameter 11.774 km 3.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.080   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

9252 Goddard           Discovered 1960 Oct. 17 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Named in memory of the American rocket pioneer Robert H. Goddard (1882-1945). Beginning in 1906, Goddard combined theory and practice in a long career of building and testing rockets. While he dedicated himself to the development of rockets, including the first test of a liquid fuel rocket in 1926, Goddard never lost sight of its ultimate purpose---the exploration of space.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990402/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 9058 P-L = 1982 SM8 = 1993 TT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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