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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220587312816899 6.0039e-08  
a 2.628683932845098 1.8183e-08 AU
q 2.307830107061462 1.5579e-07 AU
i 9.159486665225437 5.8271e-06 deg
node 135.200394540767 3.9192e-05 deg
peri 229.678418573446 4.6043e-05 deg
M 277.225210613011 2.7205e-05 deg
tp 2457358.432856591670
(2015-Dec-01.93285659)
0.00011954 JED
period 1556.703790215325
4.26
1.6152e-05
4.422e-08
d
yr
n .2312578682359374 2.3995e-09 deg/d
Q 2.949537758628733 2.0402e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1142  
   data-arc span      22442 days (61.44 yr)  
   first obs. used      1953-01-09  
   last obs. used      2014-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51929  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:13:47  

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 (809)
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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