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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04550258159264264 3.6308e-08  
a 3.15063613375872 1.9772e-08 au
q 3.007274056013635 1.1159e-07 au
i 10.83356935488243 4.4713e-06 deg
node 9.948725562191951 2.0136e-05 deg
peri 106.6368260949443 5.5146e-05 deg
M 218.0327670374006 5.3286e-05 deg
tp 2460006.029441299911
(2023-Mar-02.52944130)
0.00030475 TDB
period 2042.658667189524
5.59
1.9228e-05
5.264e-08
d
yr
n .1762408990706807 1.659e-09 deg/d
Q 3.293998211503804 2.0672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2045  
   data-arc span      9917 days (27.15 yr)  
   first obs. used      1993-10-10  
   last obs. used      2020-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4371  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:27:59  

Additional Information
 Earth MOID = 2.04503 au 
 Jupiter MOID = 1.74642 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 13.10   n/a E2021B10  
rotation period rot_per 4.22 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:
[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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