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11747 (1999 NQ9)
Classification: Main-belt Asteroid          SPK-ID: 2011747
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03147182770091348 4.1601e-08  
a 2.791299151820011 1.3721e-08 au
q 2.703451865852225 1.1964e-07 au
i 2.699891149521507 4.4582e-06 deg
node 174.9919313550175 7.5567e-05 deg
peri 331.6611768310083 9.9297e-05 deg
M 338.1698535380265 6.3092e-05 deg
tp 2459103.790921270225
(2020-Sep-11.29092127)
0.00029855 TDB
period 1703.366109890933
4.66
1.256e-05
3.439e-08
d
yr
n .2113462266917186 1.5584e-09 deg/d
Q 2.879146437787796 1.4153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1729  
   data-arc span      12199 days (33.40 yr)  
   first obs. used      1986-11-30  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:36:30  

Additional Information
 Earth MOID = 1.71472 au 
 Jupiter MOID = 2.09755 au 
 T_jup = 3.327 
[ 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 13.9   n/a MPO365391  
diameter diameter 5.911 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.127   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11747 (1999 NQ9)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 NQ9 = 1986 WK9 = 1993 FE42 = 1998 KN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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