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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641891954429549 4.7646e-08  
a 2.65453387914962 1.6707e-08 au
q 2.218688097255977 1.252e-07 au
i 12.00080188011163 6.0046e-06 deg
node 324.6339368890401 2.2848e-05 deg
peri 47.51717165527216 2.9157e-05 deg
M 332.8832376455949 1.9855e-05 deg
tp 2459119.491563201511
(2020-Sep-26.99156320)
8.7676e-05 TDB
period 1579.722615579339
4.33
1.4914e-05
4.083e-08
d
yr
n .2278881092475691 2.1514e-09 deg/d
Q 3.090379661043261 1.945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1258  
   data-arc span      18909 days (51.77 yr)  
   first obs. used      1968-08-27  
   last obs. used      2020-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50002  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:38:39  

Additional Information
 Earth MOID = 1.2356 au 
 Jupiter MOID = 2.4329 au 
 T_jup = 3.339 
[ 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)  
rotation period rot_per 3.27 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
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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