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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1218504279641616 5.6771e-08  
a 2.628335312982897 1.4714e-08 au
q 2.308071530262612 1.4997e-07 au
i 9.159347606264818 5.7363e-06 deg
node 135.196628361346 3.4496e-05 deg
peri 229.5412440356044 4.0198e-05 deg
M 56.09650644490014 2.1287e-05 deg
tp 2457357.977019730861
(2015-Dec-01.47701973)
9.1533e-05 JED
period 1556.394122023397
4.26
1.3069e-05
3.578e-08
d
yr
n .231303880492674 1.9423e-09 deg/d
Q 2.948599095703182 1.6506e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1313  
   data-arc span      22973 days (62.90 yr)  
   first obs. used      1953-01-09  
   last obs. used      2015-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50611  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:09:02  

Additional Information
 Earth MOID = 1.31539 au 
 Jupiter MOID = 2.4993 au 
 T_jup = 3.373 
[ 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 13.2 mag n/a MPO347596  

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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