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JPL Small-Body Database Browser
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59000 Beiguan (1998 SW26)
Classification: Main-belt Asteroid          SPK-ID: 2059000
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1203064609402374 3.5828e-08  
a 2.206370912971318 9.4161e-09 au
q 1.940930236910258 7.7854e-08 au
i 4.790315532605879 5.1074e-06 deg
node 359.5721886328064 4.1786e-05 deg
peri 96.78801825902781 4.8542e-05 deg
M 30.68235174487693 2.3615e-05 deg
tp 2458498.475997872983
(2019-Jan-14.97599787)
7.8372e-05 TDB
period 1197.060807826073
3.28
7.663e-06
2.098e-08
d
yr
n .3007366022230563 1.9252e-09 deg/d
Q 2.471811589032377 1.0549e-08 au
  Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      7474 days (20.46 yr)  
   first obs. used      1998-09-17  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55757  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:37:08  

Additional Information
 Earth MOID = .964696 au 
 Jupiter MOID = 2.66575 au 
 T_jup = 3.647 
[ 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 16.4   n/a MPO412562  
diameter diameter 2.851 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

59000 Beiguan           Discovered 1998 Sept. 17 by the Beijing Schmidt CCD Asteroid Program at Xinglong.
Beijing Planetarium (Beijing Tianwenguan) was the first planetarium in China, and it is now one of the most modern planetaria in the world. This minor planet is named during the fiftieth anniversary year of Beijing Planetarium.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070730/MPCPages.arcLast Updated: 2007-08-07

[ show close-approach data ]
Alternate Designations
 1998 SW26 = 2001 RL52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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