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172433 (2003 QN22)
Classification: Main-belt Asteroid          SPK-ID: 2172433
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517519967411439 4.4976e-08  
a 2.331376155597233 1.2761e-08 au
q 1.977585168830662 1.06e-07 au
i 3.73442369799945 5.8481e-06 deg
node 224.9369018316053 7.0841e-05 deg
peri 118.1409383722446 7.364e-05 deg
M 252.3328079989103 2.3716e-05 deg
tp 2459389.364088749656
(2021-Jun-23.86408875)
8.7775e-05 TDB
period 1300.22033033479
3.56
1.0675e-05
2.923e-08
d
yr
n .2768761506038784 2.2732e-09 deg/d
Q 2.685167142363805 1.4697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      6095 days (16.69 yr)  
   first obs. used      2003-08-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:18:15  

Additional Information
 Earth MOID = .973192 au 
 Jupiter MOID = 2.7143 au 
 T_jup = 3.552 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO417927  

172433 (2003 QN22)          Discovered 2003-Aug-20 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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