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JPL Small-Body Database Browser
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13863 (1999 XE166)
Classification: Main-belt Asteroid          SPK-ID: 2013863
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2417028023531614 5.1473e-08  
a 2.809606970535875 1.7138e-08 au
q 2.130517092246378 1.4222e-07 au
i 6.49756877358807 4.7737e-06 deg
node 316.4788926038584 4.3627e-05 deg
peri 36.4650652400431 4.4672e-05 deg
M 164.8272218162802 1.288e-05 deg
tp 2458212.922641816894
(2018-Apr-04.42264182)
5.8676e-05 TDB
period 1720.151840343121
4.71
1.5739e-05
4.309e-08
d
yr
n .2092838501560365 1.9149e-09 deg/d
Q 3.488696848825372 2.128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1364  
   data-arc span      15913 days (43.57 yr)  
   first obs. used      1975-09-03  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49276  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:24:21  

Additional Information
 Earth MOID = 1.12899 au 
 Jupiter MOID = 1.97619 au 
 T_jup = 3.269 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456460.5 (2013-Jun-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2379683579695244 5.0667e-08  
q 2.142381200853384 1.3914e-07 au
tp 2456483.415287919471
(2013-Jul-09.91528792)
5.6478e-05 TDB
node 316.6721761612965 4.339e-05 deg
peri 35.25022399404276 4.4564e-05 deg
i 6.516116887740144 4.7796e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1364  
   data-arc span      15913 days (43.57 yr)  
   first obs. used      1975-09-03  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49276  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:24:21  

Additional Information
 Jupiter MOID = 1.97619 au 
 T_jup = 3.269 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.567168871229292E-15 -7.020465421814945E-15 9.734607143721561E-13 -3.009070478136081E-15 9.972799895324993E-14 -1.73542371022405E-15
q -7.020465421814945E-15 1.935908594352442E-14 -2.621055548919397E-12 9.386792080658322E-15 -2.660835587804943E-13 4.704582494533106E-15
tp 9.734607143721561E-13 -2.621055548919397E-12 3.189743527918183E-9 -4.397132025923004E-12 5.997136278002421E-10 -3.242765733407402E-12
node -3.009070478136081E-15 9.386792080658322E-15 -4.397132025923004E-12 1.882697502161294E-9 -1.871212816915189E-9 1.89871906078486E-12
peri 9.972799895324993E-14 -2.660835587804943E-13 5.997136278002421E-10 -1.871212816915189E-9 1.985986615088173E-9 -2.470617713452548E-12
i -1.73542371022405E-15 4.704582494533106E-15 -3.242765733407402E-12 1.89871906078486E-12 -2.470617713452548E-12 2.28448878547092E-11

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 13.7   n/a MPO324436  
diameter diameter 9.258 km 0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13863 (1999 XE166)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XE166 = 1975 RV = 1989 PN = 1994 TS15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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