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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03165555086488142 4.2287e-08  
a 2.790999626943737 1.3856e-08 au
q 2.702648996289155 1.2113e-07 au
i 2.699952158351159 4.6003e-06 deg
node 175.005410471949 7.5593e-05 deg
peri 332.024968897906 9.9259e-05 deg
M 253.2758500444855 6.3104e-05 deg
tp 2459105.391777700701
(2020-Sep-12.89177770)
0.00029874 TDB
period 1703.091943557438
4.66
1.2682e-05
3.472e-08
d
yr
n .2113802495289996 1.5741e-09 deg/d
Q 2.87935025759832 1.4295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1645  
   data-arc span      12059 days (33.02 yr)  
   first obs. used      1986-11-30  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51546  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:19:10  

Additional Information
 Earth MOID = 1.71432 au 
 Jupiter MOID = 2.09851 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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