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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1253633363820079 3.3148e-08  
a 2.193919677016667 8.4101e-09 au
q 1.918882586551721 7.6028e-08 au
i 4.535477985345655 3.9758e-06 deg
node 318.9893971326818 4.8477e-05 deg
peri 297.7558554740568 5.2835e-05 deg
M 36.65335308783007 1.8642e-05 deg
tp 2459079.651650998011
(2020-Aug-18.15165100)
6.1679e-05 TDB
period 1186.942038739726
3.25
6.8249e-06
1.869e-08
d
yr
n .3033004041058665 1.744e-09 deg/d
Q 2.468956767481613 9.4644e-09 au
  Orbit Determination Parameters
   # obs. used (total)      912  
   data-arc span      7981 days (21.85 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5498  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:48:28  

Additional Information
 Earth MOID = .907218 au 
 Jupiter MOID = 2.58888 au 
 T_jup = 3.656 
[ 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 15.76   n/a E2021B10  
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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