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9002 (1981 QV2)
Classification: Main-belt Asteroid          SPK-ID: 2009002
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220587405237176 5.9573e-08  
a 2.628683937267787 1.787e-08 AU
q 2.307830086649953 1.5489e-07 AU
i 9.159486721329673 5.8237e-06 deg
node 135.2003951460739 3.878e-05 deg
peri 229.6784228832979 4.5526e-05 deg
M 277.225203910354 2.671e-05 deg
tp 2457358.432886478464
(2015-Dec-01.93288648)
0.0001173 JED
period 1556.703794143993
4.26
1.5874e-05
4.346e-08
d
yr
n .2312578676523098 2.3582e-09 deg/d
Q 2.94953778788562 2.0051e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      22800 days (62.42 yr)  
   first obs. used      1953-01-09  
   last obs. used      2015-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51885  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:00:57  

Additional Information
 Earth MOID = 1.31645 AU 
 T_jup = 3.372 
[ 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 PDS3 (MPC 32174)  

9002 (1981 QV2)          Discovered 1981-Aug-23 by Debehogne, H. at La Silla
Reference: 19980808/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 QV2 = 1990 VK3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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