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JPL Small-Body Database Browser
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9777 Enterprise (1994 OB)
Classification: Main-belt Asteroid          SPK-ID: 2009777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2326183470520847 3.9455e-08  
a 2.397729781445619 9.4591e-09 au
q 1.839973843008183 9.6155e-08 au
i 3.271036469212849 4.1009e-06 deg
node 115.5869445641679 7.5491e-05 deg
peri 178.8694166963022 7.6055e-05 deg
M 357.8323174521097 1.1534e-05 deg
tp 2459008.665672609006
(2020-Jun-08.16567261)
4.3468e-05 TDB
period 1356.122067829233
3.71
8.0249e-06
2.197e-08
d
yr
n .2654628285610439 1.5709e-09 deg/d
Q 2.955485719883055 1.1659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1644  
   data-arc span      10553 days (28.89 yr)  
   first obs. used      1990-05-17  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:03:02  

Additional Information
 Earth MOID = .823925 au 
 Jupiter MOID = 2.25237 au 
 T_jup = 3.488 
[ 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 14.4   n/a MPO473899  

9777 Enterprise           Discovered 1994 July 31 by Y. Shimizu and T. Urata at the Nachi-Katsuura Observatory.
The U.S.S. Enterprise was the spaceship that appeared (originally in 1966) in the popular science fiction television and movie series Star Trek. It was also the name of the first Space Shuttle Orbiter.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990928/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 1994 OB = 1990 KS2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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