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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641016456509808 1.9998e-08  
a 2.654211395199348 1.0315e-08 au
q 2.21865093734155 5.3518e-08 au
i 12.00116145864468 1.0208e-06 deg
node 324.634640008785 5.8526e-06 deg
peri 47.56587943838085 8.5086e-06 deg
M 18.42893120923009 8.0726e-06 deg
tp 2459119.646404189984
(2020-Sep-27.14640419)
3.5469e-05 TDB
period 1579.434757292235
4.32
9.2068e-06
2.521e-08
d
yr
n .2279296427648458 1.3286e-09 deg/d
Q 3.089771853057147 1.2007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1914  
   data-arc span      19188 days (52.53 yr)  
   first obs. used      1968-08-27  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43959  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:05:39  

Additional Information
 Earth MOID = 1.23407 au 
 Jupiter MOID = 2.43441 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 13.38   n/a E2021B10  
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. 2020-October); 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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