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143139 (2002 XC39)
Classification: Main-belt Asteroid          SPK-ID: 2143139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .039336256925256 4.9864e-08  
a 2.761800304844839 1.7367e-08 au
q 2.653161418477212 1.3606e-07 au
i 3.808609336921976 4.5124e-06 deg
node 269.1716039032997 8.8553e-05 deg
peri 69.69106113096618 0.00011218 deg
M 110.5138524678944 6.7337e-05 deg
tp 2458881.862943495113
(2020-Feb-02.36294350)
0.00031376 TDB
period 1676.435453153552
4.59
1.5813e-05
4.329e-08
d
yr
n .2147413426045137 2.0256e-09 deg/d
Q 2.870439191212466 1.8051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      22022 days (60.29 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:46:51  

Additional Information
 Earth MOID = 1.64561 au 
 Jupiter MOID = 2.28528 au 
 T_jup = 3.337 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.82   n/a E2021B55  
diameter diameter 4.351 km 0.256 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

143139 (2002 XC39)          Discovered 2002-Dec-07 by Pravec, P., Kusnirak, P. at Ondrejov
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 2002 XC39 = 2004 FC44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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