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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02054320887528886 6.0243e-08  
a 3.000877526435753 2.6993e-08 au
q 2.939229872601024 1.8373e-07 au
i 4.776838006591354 6.6184e-06 deg
node 231.0732849338372 6.018e-05 deg
peri 348.7928533400778 0.00014522 deg
M 261.6069426305384 0.00013346 deg
tp 2457919.458689694001
(2017-Jun-14.95868969)
0.00070519 JED
period 1898.763320142803
5.20
2.5619e-05
7.014e-08
d
yr
n .1895970899484856 2.5581e-09 deg/d
Q 3.062525180270483 2.7547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1320  
   data-arc span      13555 days (37.11 yr)  
   first obs. used      1978-11-05  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49466  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:10:00  

Additional Information
 Earth MOID = 1.92927 au 
 Jupiter MOID = 1.91274 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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