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JPL Small-Body Database Browser
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56054 (1998 XR52)
Classification: Main-belt Asteroid          SPK-ID: 2056054
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 .1233018871931585 3.2736e-08  
a 2.34829340324257 9.6553e-09 au
q 2.058744394939517 7.8848e-08 au
i 6.472908831523872 3.7205e-06 deg
node 83.816728332872 3.9123e-05 deg
peri 49.72015112455232 4.3397e-05 deg
M 208.3921314007388 1.9711e-05 deg
tp 2459154.036426158044
(2020-Oct-31.53642616)
7.3492e-05 TDB
period 1314.398225224221
3.60
8.1065e-06
2.219e-08
d
yr
n .2738895968446612 1.6892e-09 deg/d
Q 2.637842411545624 1.0846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      899  
   data-arc span      8647 days (23.67 yr)  
   first obs. used      1996-03-27  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58359  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:40:18  

Additional Information
 Earth MOID = 1.08053 au 
 Jupiter MOID = 2.41224 au 
 T_jup = 3.541 
[ 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 15.6   n/a MPO309576  
diameter diameter 1.797 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.345   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56054 (1998 XR52)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XR52 = 1996 LL4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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