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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1221515418469449 7.1e-08  
a 2.628282819717071 1.5203e-08 AU
q 2.307234020878795 1.8346e-07 AU
i 9.159326660728897 7.2232e-06 deg
node 135.2031504988649 4.1207e-05 deg
peri 229.7400186443712 4.9409e-05 deg
M 230.9076064393717 2.7851e-05 deg
tp 2457358.590620631986
(2015-Dec-02.09062063)
0.00012222 JED
period 1556.347495665236
4.26
1.3504e-05
3.697e-08
d
yr
n .2313108100875143 2.007e-09 deg/d
Q 2.949331618555347 1.706e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1056  
   data-arc span      22282 days (61.00 yr)  
   first obs. used      1953-01-09  
   last obs. used      2014-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56042  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jan-22 00:27:49  

Additional Information
 Earth MOID = 1.31439 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 13.1 mag n/a PDS3 (MPC 32174)  

9002 (1981 QV2)          Discovered 1981-Aug-23 by Debehogne, H. at La Silla (809)
Reference: 19980808/Numbers.arcLast Updated: 2004-04-19

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