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13913 (1979 SO)
Classification: Main-belt Asteroid          SPK-ID: 2013913
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2285870682652275 4.2238e-08  
a 2.775169472907794 1.2666e-08 au
q 2.140801619156644 1.1909e-07 au
i 8.152466555856442 4.7517e-06 deg
node 8.432858920889636 2.4429e-05 deg
peri 351.172612178975 2.5497e-05 deg
M 199.9865478877653 8.263e-06 deg
tp 2459351.062194182108
(2021-May-16.56219418)
4.1108e-05 TDB
period 1688.622964749469
4.62
1.1561e-05
3.165e-08
d
yr
n .2131914628162191 1.4596e-09 deg/d
Q 3.409537326658943 1.5562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1692  
   data-arc span      14474 days (39.63 yr)  
   first obs. used      1979-09-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:12:22  

Additional Information
 Earth MOID = 1.13725 au 
 Jupiter MOID = 2.04011 au 
 T_jup = 3.283 
[ 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 13.5   n/a MPO435832  
diameter diameter 11.746 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.504 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.049   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13913 (1979 SO)          Discovered 1979-Sep-25 by Mrkos, A. at Klet
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1979 SO = 1993 TD12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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