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59131 (1998 XA38)
Classification: Main-belt Asteroid          SPK-ID: 2059131
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09326232012640798 4.9015e-08  
a 2.60025366463515 1.4158e-08 au
q 2.357747974954081 1.3312e-07 au
i 1.930544448897237 4.4227e-06 deg
node 289.2345944663422 0.0001239 deg
peri 67.52920632715497 0.000126 deg
M 24.6944150434826 2.2712e-05 deg
tp 2458495.444632842545
(2019-Jan-11.94463284)
9.6344e-05 TDB
period 1531.517637088775
4.19
1.2509e-05
3.425e-08
d
yr
n .2350609560620636 1.9199e-09 deg/d
Q 2.842759354316219 1.5479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1129  
   data-arc span      13908 days (38.08 yr)  
   first obs. used      1981-10-30  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:07:02  

Additional Information
 Earth MOID = 1.35316 au 
 Jupiter MOID = 2.54261 au 
 T_jup = 3.408 
[ 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 15.0   n/a MPO302384  
diameter diameter 2.231 km 0.490 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.389   0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59131 (1998 XA38)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XA38 = 1981 UO9 = 2001 LZ15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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