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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756452046425236 5.5675e-08  
a 2.673979588642589 2.2809e-08 au
q 2.20430789658553 1.5019e-07 au
i 2.249657366348503 9.6809e-06 deg
node 174.5713269620237 0.00015831 deg
peri 103.0818253008371 0.00016146 deg
M 165.6064274155885 2.7815e-05 deg
tp 2458265.799650919794
(2018-May-27.29965092)
0.0001228 TDB
period 1597.112683344908
4.37
2.0435e-05
5.595e-08
d
yr
n .2254067629380008 2.8841e-09 deg/d
Q 3.143651280699647 2.6816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      6610 days (18.10 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62045  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 20:29:08  

Additional Information
 Earth MOID = 1.18924 au 
 Jupiter MOID = 1.98758 au 
 T_jup = 3.356 
[ 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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