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JPL Small-Body Database Browser
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13707 (1998 QS9)
Classification: Main-belt Asteroid          SPK-ID: 2013707
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1651390588014982 5.0286e-08  
a 2.655876766611859 1.69e-08 au
q 2.21728777708081 1.3176e-07 au
i 11.99044703163661 6.1826e-06 deg
node 324.7081191258391 2.3004e-05 deg
peri 47.33054239386196 2.9444e-05 deg
M 241.979485021512 1.9669e-05 deg
tp 2459118.781027528123
(2020-Sep-26.28102753)
8.8826e-05 TDB
period 1580.921502877133
4.33
1.509e-05
4.131e-08
d
yr
n .2277152909520382 2.1735e-09 deg/d
Q 3.094465756142907 1.9691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      18494 days (50.63 yr)  
   first obs. used      1968-08-27  
   last obs. used      2019-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5036  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:23:33  

Additional Information
 Earth MOID = 1.2332 au 
 Jupiter MOID = 2.42513 au 
 T_jup = 3.338 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2   n/a MPO395136  
diameter diameter 5.529 km 0.360 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.263   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13707 (1998 QS9)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QS9 = 1968 QU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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