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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2417027777329099 5.1301e-08  
a 2.809606970632971 1.6554e-08 au
q 2.130517161493236 1.4143e-07 au
i 6.497569269140699 4.7663e-06 deg
node 316.4789466097191 3.875e-05 deg
peri 36.46502052099423 3.9808e-05 deg
M 164.8272175257687 1.273e-05 deg
tp 2458212.922662276988
(2018-Apr-04.42266228)
5.7591e-05 TDB
period 1720.15184043229
4.71
1.5203e-05
4.162e-08
d
yr
n .2092838501451876 1.8497e-09 deg/d
Q 3.488696779772706 2.0556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1482  
   data-arc span      16226 days (44.42 yr)  
   first obs. used      1975-09-03  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49201  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:46:27  

Additional Information
 Earth MOID = 1.12899 au 
 Jupiter MOID = 1.97619 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 13.7   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1945-Feb-26 06:04 00:02 Jupiter 1.99036369800682 1.99036297730564 1.99036441871536 2.00648749018921 1.78181612172176 2431512.753011817 1.91060554561665 390.651996571596 26.4294571404888 -83.3685681047504 2158363.80936364 T 27 CATAB v2.0f-lin.ifort 2020-Feb-22 20:46:41 2020-Feb-22 20:46
1968-Jul-31 06:10 00:01 Jupiter 1.96520218797534 1.96520168959324 1.96520268635879 2.11308150346379 1.8981814209259 2440068.756780764 1.2228481495422 348.092921501728 19.6568142502475 -84.8693525257595 2395697.6626364 T 27 CATAB v2.0f-lin.ifort 2020-Feb-22 20:46:41 2020-Feb-22 20:46
1992-Jan-05 22:05 < 00:01 Jupiter 1.95833833867228 1.95833791295098 1.95833876439369 2.2450379678122 2.04331921549964 2448627.420091112 0.595589469401178 269.81101272965 14.6598928468486 -85.3037662092746 2470986.94923038 T 27 CATAB v2.0f-lin.ifort 2020-Feb-22 20:46:41 2020-Feb-22 20:46
2015-Jun-11 14:21 < 00:01 Jupiter 1.981463573652 1.98146315880575 1.98146398849835 2.42143472921676 2.23794544328264 2457185.098236308 0.174743181689092 197.481584707734 11.0862475876055 -85.0720685537528 2504303.42140644 T 27 CATAB v2.0f-lin.ifort 2020-Feb-22 20:46:41 2020-Feb-22 20:46

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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