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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

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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
5.5036e-05 TDB
period 1388.350497050995
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 
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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] (  
geometric albedo albedo 0.055   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1979-Aug-22 17:59 00:02 Iris 0.045608353309746 0.0456075110355152 0.0456091956008439 1.85929846983012 1.85929840203795 2444108.249498526 1.92545393440726 132.715458069494 39.3126599436183 -83.469770227169 172097.602342006 T 35 CATAB v2.0f-lin.ifort 2020-May-20 02:22:44 2020-May-20 02:22

Alternate Designations
 1965 UA1 = 1984 UY4 = 1988 XQ3 = 1991 NS3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-May-25 22:06 UT
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