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52837 (1998 RL55)
Classification: Main-belt Asteroid          SPK-ID: 2052837
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1250789217048711 3.3204e-08  
a 2.193308455008665 8.3792e-09 au
q 1.918971798490005 7.6084e-08 au
i 4.535248876005857 4.0079e-06 deg
node 318.9929602906169 4.8539e-05 deg
peri 297.7767714891832 5.2959e-05 deg
M 335.9662915531102 1.8904e-05 deg
tp 2459079.707495936171
(2020-Aug-18.20749594)
6.2157e-05 TDB
period 1186.446053468354
3.25
6.7989e-06
1.861e-08
d
yr
n .3034271966665547 1.7388e-09 deg/d
Q 2.467645111527326 9.4272e-09 au
  Orbit Determination Parameters
   # obs. used (total)      887  
   data-arc span      7946 days (21.75 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:05:48  

Additional Information
 Earth MOID = .908963 au 
 Jupiter MOID = 2.59122 au 
 T_jup = 3.657 
[ 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 15.7   n/a MPO263767  
diameter diameter 2.005 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.192   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52837 (1998 RL55)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RL55 = 2000 AN58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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