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JPL Small-Body Database Browser
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117371 (2004 XK144)
Classification: Main-belt Asteroid          SPK-ID: 2117371
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .194001796560641 5.4706e-08  
a 3.130872987014707 3.7816e-08 au
q 2.523478002730673 1.6611e-07 au
i 24.89541984885942 4.8483e-06 deg
node 278.2933154023782 1.451e-05 deg
peri 293.3310205994993 1.9468e-05 deg
M 138.1352914864915 1.6939e-05 deg
tp 2457824.076362008969
(2017-Mar-11.57636201)
8.838e-05 TDB
period 2023.46921390545
5.54
3.666e-05
1.004e-07
d
yr
n .177912269445984 3.2233e-09 deg/d
Q 3.73826797129874 4.5152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      877  
   data-arc span      7658 days (20.97 yr)  
   first obs. used      1998-12-14  
   last obs. used      2019-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47725  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:48:17  

Additional Information
 Earth MOID = 1.61546 au 
 Jupiter MOID = 1.74314 au 
 T_jup = 3.042 
[ 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 MPO375842  
diameter diameter 10.417 km 0.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117371 (2004 XK144)          Discovered 2004-Dec-12 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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