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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02047469422494823 6.3186e-08  
a 3.000210027729327 3.4112e-08 AU
q 2.938781644800946 1.9021e-07 AU
i 4.777263255871193 6.9288e-06 deg
node 231.0818440745194 7.2088e-05 deg
peri 349.8261957978978 0.00017558 deg
M 184.6776542774025 0.00015764 deg
tp 2457924.901595058970
(2017-Jun-20.40159506)
0.0008285 JED
period 1898.129829655456
5.20
3.2372e-05
8.863e-08
d
yr
n .1896603669441022 3.2346e-09 deg/d
Q 3.061638410657709 3.481e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      13019 days (35.64 yr)  
   first obs. used      1978-11-05  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51003  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:21:22  

Additional Information
 Earth MOID = 1.93093 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 13.0 mag n/a MPO267744  

9271 (1978 VT8)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar (675)
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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