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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1219447386045112 5.6768e-08  
a 2.628740774380811 1.4703e-08 au
q 2.308179667789923 1.4997e-07 au
i 9.159359897288551 5.7364e-06 deg
node 135.1995071905862 3.4494e-05 deg
peri 229.5925958937084 4.0187e-05 deg
M 9.790325500965501 2.1176e-05 deg
tp 2457358.163524575074
(2015-Dec-01.66352458)
9.1486e-05 JED
period 1556.754282732506
4.26
1.3061e-05
3.576e-08
d
yr
n .2312503675070076 1.9402e-09 deg/d
Q 2.949301880971699 1.6496e-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 = 1.31469 au 
 Jupiter MOID = 2.49833 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 13.2 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

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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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