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JPL Small-Body Database Browser
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357686 (2005 NQ9)
Classification: Main-belt Asteroid          SPK-ID: 2357686
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1757542102494792 5.5963e-08  
a 2.673137932811211 2.2926e-08 au
q 2.203322686542052 1.5114e-07 au
i 2.249930005088634 9.8491e-06 deg
node 174.5840355280263 0.00015873 deg
peri 102.9578338676292 0.00016208 deg
M 75.55114493731482 2.8386e-05 deg
tp 2458265.481315129580
(2018-May-26.98131513)
0.0001258 TDB
period 1596.358687263035
4.37
2.0537e-05
5.623e-08
d
yr
n .2255132276175487 2.9011e-09 deg/d
Q 3.142953179080371 2.6955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      6593 days (18.05 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59011  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:22:27  

Additional Information
 Earth MOID = 1.18772 au 
 Jupiter MOID = 1.98693 au 
 T_jup = 3.357 
[ 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 17.3   n/a MPO455583  

357686 (2005 NQ9)          Discovered 2005-Jul-01 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2005 NQ9 = 2001 TS246 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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