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9271 (1978 VT8)
Classification: Main-belt Asteroid          SPK-ID: 2009271
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02059957944049625 5.3109e-08  
a 3.002736834214417 2.5089e-08 au
q 2.940881718259113 1.6775e-07 au
i 4.776861646474685 5.6468e-06 deg
node 231.0343208040659 5.947e-05 deg
peri 347.0887436195162 0.00014429 deg
M 301.2448051183002 0.00013244 deg
tp 2457910.683080224555
(2017-Jun-06.18308022)
0.00069979 JED
period 1900.528269979751
5.20
2.382e-05
6.522e-08
d
yr
n .1894210181908189 2.3741e-09 deg/d
Q 3.064591950169721 2.5606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1436  
   data-arc span      13681 days (37.46 yr)  
   first obs. used      1978-11-05  
   last obs. used      2016-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50879  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:05:00  

Additional Information
 Earth MOID = 1.93184 au 
 Jupiter MOID = 1.91084 au 
 T_jup = 3.247 
[ 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 13.1 mag n/a MPO319201  

9271 (1978 VT8)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 VT8 = 1991 GX8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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