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JPL Small-Body Database Browser
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59128 (1998 XA26)
Classification: Main-belt Asteroid          SPK-ID: 2059128
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1249662626192495 5.0992e-08  
a 3.105841013135251 2.226e-08 au
q 2.717715669434155 1.6469e-07 au
i 12.81452337302079 4.3416e-06 deg
node 111.7834236918594 2.5023e-05 deg
peri 284.2863911597273 3.242e-05 deg
M 30.80706858858693 1.8132e-05 deg
tp 2458829.413740048827
(2019-Dec-11.91374005)
0.00010107 TDB
period 1999.250704600951
5.47
2.1493e-05
5.884e-08
d
yr
n .1800674618603451 1.9359e-09 deg/d
Q 3.493966356836347 2.5042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      10834 days (29.66 yr)  
   first obs. used      1990-05-30  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:43:11  

Additional Information
 Earth MOID = 1.76125 au 
 Jupiter MOID = 1.97429 au 
 T_jup = 3.170 
[ 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 14.5   n/a MPO502543  
diameter diameter 4.462 km 1.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.141   0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59128 (1998 XA26)          Discovered 1998-Dec-14 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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