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117442 (2005 AP39)
Classification: Main-belt Asteroid          SPK-ID: 2117442
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .144477936485761 5.2833e-08  
a 2.539639906942077 1.8235e-08 au
q 2.172717973770196 1.318e-07 au
i 7.435309334248269 3.659e-06 deg
node 154.1122349994207 4.5457e-05 deg
peri 111.444759540425 4.7968e-05 deg
M 61.48043867470074 1.6288e-05 deg
tp 2458348.040860320911
(2018-Aug-17.54086032)
6.6735e-05 TDB
period 1478.279795063846
4.05
1.5921e-05
4.359e-08
d
yr
n .243526294008809 2.6228e-09 deg/d
Q 2.906561840113959 2.0869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      6823 days (18.68 yr)  
   first obs. used      2001-02-22  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:01:09  

Additional Information
 Earth MOID = 1.16981 au 
 Jupiter MOID = 2.21044 au 
 T_jup = 3.420 
[ 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 15.7   n/a MPO439764  
diameter diameter 3.985 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117442 (2005 AP39)          Discovered 2005-Jan-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 AP39 = 2003 WX167 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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