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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1232697516704247 3.2239e-08  
a 2.348856037886597 9.5351e-09 au
q 2.059313137386739 7.795e-08 au
i 6.472782640184191 3.6741e-06 deg
node 83.81786603913817 3.856e-05 deg
peri 49.59175817139085 4.2898e-05 deg
M 318.060478495954 1.9998e-05 deg
tp 2459153.680681242989
(2020-Oct-31.18068124)
7.3473e-05 TDB
period 1314.870634424289
3.60
8.0065e-06
2.192e-08
d
yr
n .2737911932740247 1.6672e-09 deg/d
Q 2.638398938386456 1.071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      920  
   data-arc span      8706 days (23.84 yr)  
   first obs. used      1996-03-27  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58376  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 11:41:03  

Additional Information
 Earth MOID = 1.08069 au 
 Jupiter MOID = 2.41044 au 
 T_jup = 3.540 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456886.5 (2014-Aug-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1225380363247018 3.2302e-08  
q 2.061002302262308 7.8021e-08 au
tp 2456523.898739009576
(2013-Aug-19.39873901)
6.7925e-05 TDB
node 83.8497447563395 3.8583e-05 deg
peri 49.60740948327313 4.2965e-05 deg
i 6.470941408634808 3.6729e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      920  
   data-arc span      8706 days (23.84 yr)  
   first obs. used      1996-03-27  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58376  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 11:41:03  

Additional Information
 Jupiter MOID = 2.41044 au 
 T_jup = 3.540 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.043392206825902E-15 -2.506290122926815E-15 2.947547878613861E-13 1.561003029358571E-16 8.786953362240171E-14 1.948608130312399E-17
q -2.506290122926815E-15 6.087278691952906E-15 -5.386465135442614E-13 -1.426371135684721E-15 -1.614662307359431E-13 2.126110312559533E-16
tp 2.947547878613861E-13 -5.386465135442614E-13 4.613829002915864E-9 -2.374250383440274E-11 1.304967678024119E-9 2.052388323314291E-12
node 1.561003029358571E-16 -1.426371135684721E-15 -2.374250383440274E-11 1.488636545627848E-9 -1.485439336563121E-9 -3.430197062932982E-11
peri 8.786953362240171E-14 -1.614662307359431E-13 1.304967678024119E-9 -1.485439336563121E-9 1.845955994286629E-9 3.463825987245081E-11
i 1.948608130312399E-17 2.126110312559533E-16 2.052388323314291E-12 -3.430197062932982E-11 3.463825987245081E-11 1.349035729547818E-11

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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