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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 ]

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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 .2419449902547007 5.0024e-08  
a 2.809051719575288 1.5934e-08 au
q 2.129415728657695 1.3801e-07 au
i 6.497780505182824 4.6258e-06 deg
node 316.4803091723987 3.5843e-05 deg
peri 36.47565766892797 3.6903e-05 deg
M 206.6733620820534 1.275e-05 deg
tp 2459932.908105494330
(2022-Dec-19.40810549)
6.4586e-05 TDB
period 1719.641945837626
4.71
1.4631e-05
4.006e-08
d
yr
n .2093459053330119 1.7812e-09 deg/d
Q 3.488687710492882 1.9789e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1616  
   data-arc span      16621 days (45.51 yr)  
   first obs. used      1975-09-03  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48132  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:10:58  

Additional Information
 Earth MOID = 1.12617 au 
 Jupiter MOID = 1.97696 au 
 T_jup = 3.269 
[ 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 13.75   n/a E2021B10  
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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