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JPL Small-Body Database Browser
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5539 Limporyen (1965 UA1)
Classification: Main-belt Asteroid          SPK-ID: 2005539
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575983415763355 2.4589e-08  
a 2.435569137099163 7.3625e-09 au
q 2.051727480297829 5.8998e-08 au
i 1.823619704923435 3.8346e-06 deg
node 295.5132941464451 9.4378e-05 deg
peri 122.2965047738067 9.545e-05 deg
M 102.2194751130993 1.4479e-05 deg
tp 2458606.287613662324
(2019-May-02.78761366)
5.5036e-05 TDB
period 1388.350497050995
3.80
6.2952e-06
1.724e-08
d
yr
n .2593005158025142 1.1758e-09 deg/d
Q 2.819410793900497 8.5228e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2443  
   data-arc span      19918 days (54.53 yr)  
   first obs. used      1965-10-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:22:32  

Additional Information
 Earth MOID = 1.06459 au 
 Jupiter MOID = 2.5078 au 
 T_jup = 3.487 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456921.5 (2014-Sep-21.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .156080205747292 2.4495e-08  
q 2.056223105306281 5.867e-08 au
tp 2457216.553680250796
(2015-Jul-13.05368025)
5.3519e-05 TDB
node 295.7152311451458 9.4239e-05 deg
peri 121.9527132673288 9.5346e-05 deg
i 1.824252658625174 3.8376e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2443  
   data-arc span      19918 days (54.53 yr)  
   first obs. used      1965-10-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:22:32  

Additional Information
 Jupiter MOID = 2.5078 au 
 T_jup = 3.487 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.000126984528729E-16 -1.429356290643355E-15 2.541413315192561E-13 -1.967836853570736E-15 6.416718214893085E-14 2.164525664042536E-17
q -1.429356290643355E-15 3.442178301722684E-15 -5.054566537968181E-13 4.650889405890106E-15 -1.291329597090864E-13 9.32195458319689E-18
tp 2.541413315192561E-13 -5.054566537968181E-13 2.864290314155691E-9 -1.523134098465032E-11 7.830675438433725E-10 9.744396964290957E-14
node -1.967836853570736E-15 4.650889405890106E-15 -1.523134098465032E-11 8.88099497778252E-9 -8.880051044351584E-9 9.893840100738845E-11
peri 6.416718214893085E-14 -1.291329597090864E-13 7.830675438433725E-10 -8.880051044351584E-9 9.09081319901788E-9 -9.886626562392482E-11
i 2.164525664042536E-17 9.32195458319689E-18 9.744396964290957E-14 9.893840100738845E-11 -9.886626562392482E-11 1.472709400468538E-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 13.8   n/a MPO452244  
diameter diameter 10.362 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5539 Limporyen           Discovered 1965 Oct. 16 at the Purple Mountain Observatory.
Lim Poryen (b. 1914) is a prestigious philanthropist who helped launch many schools and a first-class Limporyen library in China.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041126/MPCPages.arcLast Updated: 2004-12-06

[ show close-approach data ]
Alternate Designations
 1965 UA1 = 1984 UY4 = 1988 XQ3 = 1991 NS3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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