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JPL Small-Body Database Browser
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20714 (1999 XS36)
Classification: Main-belt Asteroid          SPK-ID: 2020714
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04422980686121175 3.8804e-08  
a 3.152411363881289 2.1926e-08 au
q 3.01298081810973 1.2076e-07 au
i 10.83118598419522 5.9005e-06 deg
node 10.33534495335908 2.1878e-05 deg
peri 102.5803670040968 6.9596e-05 deg
M 116.3645857683414 6.5226e-05 deg
tp 2457939.683192403726
(2017-Jul-05.18319240)
0.00037041 TDB
period 2044.385318470159
5.60
2.1329e-05
5.84e-08
d
yr
n .1760920491590073 1.8371e-09 deg/d
Q 3.291841909652848 2.2896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1488  
   data-arc span      9341 days (25.57 yr)  
   first obs. used      1993-10-10  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48307  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:54:58  

Additional Information
 Earth MOID = 2.05301 au 
 Jupiter MOID = 1.75723 au 
 T_jup = 3.178 
[ 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 13.0   n/a MPO347684  
rotation period rot_per 4.22 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.]

20714 (1999 XS36)          Discovered 1999-Dec-07 by Juels, C. W. at Fountain Hills
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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