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JPL Small-Body Database Browser
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117377 (2004 XW158)
Classification: Main-belt Asteroid          SPK-ID: 2117377
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08533642367846406 3.7618e-08  
a 3.087741460971848 3.0835e-08 au
q 2.824244647448795 1.23e-07 au
i 11.21394269765228 4.6602e-06 deg
node 106.7613272315983 2.4938e-05 deg
peri 308.3505597280698 4.1605e-05 deg
M 267.4747487507997 3.2474e-05 deg
tp 2459109.851504426030
(2020-Sep-17.35150443)
0.00018041 TDB
period 1981.799985600748
5.43
2.9686e-05
8.128e-08
d
yr
n .1816530440083096 2.721e-09 deg/d
Q 3.351238274494902 3.3466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      767  
   data-arc span      7659 days (20.97 yr)  
   first obs. used      1998-11-13  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54459  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:00:46  

Additional Information
 Earth MOID = 1.85286 au 
 Jupiter MOID = 1.939 au 
 T_jup = 3.191 
[ 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 14.2   n/a MPO453644  
diameter diameter 4.968 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.216   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117377 (2004 XW158)          Discovered 2004-Dec-14 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 XW158 = 2000 AK66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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