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395325 (2011 QZ2)
Classification: Main-belt Asteroid          SPK-ID: 2395325
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2124284404835185 4.9043e-08  
a 2.426835082229779 2.5616e-08 au
q 1.911306290401015 1.1807e-07 au
i 3.995915841674317 4.9496e-06 deg
node 280.0070574292597 8.581e-05 deg
peri 46.15321318266957 8.7621e-05 deg
M 175.9504524166665 2.3692e-05 deg
tp 2458525.588682770102
(2019-Feb-11.08868277)
8.2207e-05 TDB
period 1380.889170022666
3.78
2.1864e-05
5.986e-08
d
yr
n .2607015883788059 4.1277e-09 deg/d
Q 2.942363874058542 3.1058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      5910 days (16.18 yr)  
   first obs. used      2004-12-13  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5421  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:40:52  

Additional Information
 Earth MOID = .900099 au 
 Jupiter MOID = 2.40385 au 
 T_jup = 3.476 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.17   n/a E2021B25  

395325 (2011 QZ2)          Discovered 2004-Dec-13 by CINEOS at Campo Imperatore
Reference: Last Updated: 2014-05-15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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