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74400 Streaky (1998 XH97)
Classification: Main-belt Asteroid          SPK-ID: 2074400
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07376001346511812 7.7893e-08  
a 3.118447225954141 5.5626e-08 AU
q 2.888430516577503 2.6716e-07 AU
i 10.10764169532483 8.7209e-06 deg
node 112.1693213028732 5.4436e-05 deg
peri 324.8603889534355 9.0605e-05 deg
M 357.1746207595717 7.2896e-05 deg
tp 2457016.286297177593
(2014-Dec-24.78629718)
0.00040737 JED
period 2011.435103158688
5.51
5.3819e-05
1.473e-07
d
yr
n .1789766915346503 4.7888e-09 deg/d
Q 3.348463935330779 5.9729e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      5406 days (14.80 yr)  
   first obs. used      1998-12-11  
   last obs. used      2013-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5428  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 13:53:06  

Additional Information
 Earth MOID = 1.91062 AU 
 T_jup = 3.189 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO272971  

74400 Streaky           Discovered 1998 Dec. 11 by O. A. Naranjo at Mérida.
Name chosen by Eve Canovan, from Lancaster, UK, as the winner of a national competition to write a story that included an "asteroid" or "asteroids", which was run by the Centre for Life in conjunction with The Times Eureka Science magazine to enthuse and engage children about space.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1998 XH97 = 2000 GH90 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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