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6962 Summerscience (1990 OT)
Classification: Main-belt Asteroid          SPK-ID: 2006962
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488213337867368 1.5731e-08  
a 2.284996030566761 8.1003e-09 au
q 1.944939873600416 3.4889e-08 au
i 6.724318401484245 1.3667e-06 deg
node 278.8402731165319 7.9469e-06 deg
peri 70.96496694216164 1.0921e-05 deg
M 260.1640228506663 7.4918e-06 deg
tp 2459550.373600275693
(2021-Dec-01.87360028)
2.7157e-05 TDB
period 1261.614296726398
3.45
6.7086e-06
1.837e-08
d
yr
n .28534870041828 1.5173e-09 deg/d
Q 2.625052187533105 9.3057e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1559  
   data-arc span      10898 days (29.84 yr)  
   first obs. used      1990-07-22  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52616  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:16:15  

Additional Information
 Earth MOID = .948881 au 
 Jupiter MOID = 2.79718 au 
 T_jup = 3.579 
[ 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 14.46   n/a E2021B10  
diameter diameter 3.674 km 0.370 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.300   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6962 Summerscience           Discovered 1990 July 22 by E. F. Helin at Palomar.
Every summer since 1959 a group of gifted high-school students has gathered for six weeks to study college-level science, observe selected minor planets and calculate their orbits in the Summer Science Program in Ojai, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020724/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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