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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157686984569266 1.3077e-08  
a 2.435188089374624 6.8738e-09 au
q 2.051190622702148 3.0437e-08 au
i 1.823604643842993 1.797e-06 deg
node 295.5115081884355 5.9805e-06 deg
peri 122.2432124596983 1.4615e-05 deg
M 154.1463181167537 1.0486e-05 deg
tp 2458606.169732321704
(2019-May-02.66973232)
3.9537e-05 TDB
period 1388.02469613403
3.80
5.877e-06
1.609e-08
d
yr
n .2593613795220526 1.0981e-09 deg/d
Q 2.819185556047101 7.9577e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2554  
   data-arc span      19963 days (54.66 yr)  
   first obs. used      1965-10-16  
   last obs. used      2020-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45696  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:40:17  

Additional Information
 Earth MOID = 1.06332 au 
 Jupiter MOID = 2.50879 au 
 T_jup = 3.487 
[ 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 13.87   n/a E2021B10  
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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