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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1576929993194037 1.3037e-08  
a 2.435177583553882 6.818e-09 au
q 2.051167126527893 3.0288e-08 au
i 1.823599436038387 1.773e-06 deg
node 295.5110371059494 5.9298e-06 deg
peri 122.1986187911377 1.4235e-05 deg
M 205.0422632408445 1.0391e-05 deg
tp 2459993.954926690513
(2023-Feb-18.45492669)
4.1211e-05 TDB
period 1388.015713877395
3.80
5.8292e-06
1.596e-08
d
yr
n .2593630579255814 1.0892e-09 deg/d
Q 2.819188040579871 7.8931e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2658  
   data-arc span      20342 days (55.69 yr)  
   first obs. used      1965-10-16  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45215  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:58:24  

Additional Information
 Earth MOID = 1.06361 au 
 Jupiter MOID = 2.50973 au 
 T_jup = 3.487 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457060.5 (2015-Feb-07.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560185416158972 1.3026e-08  
q 2.05618910536293 3.0228e-08 au
tp 2457216.624325104713
(2015-Jul-13.12432510)
3.7891e-05 TDB
node 295.7133758781349 5.9768e-06 deg
peri 121.9768368150549 1.4459e-05 deg
i 1.824185832716371 1.7729e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2658  
   data-arc span      20342 days (55.69 yr)  
   first obs. used      1965-10-16  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45215  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:58:24  

Additional Information
 Jupiter MOID = 2.50973 au 
 T_jup = 3.487 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.69675757829626E-16 -3.87292162525477E-16 2.622871849516327E-13 -7.373139841040614E-15 7.93520070605606E-14 -7.645825679278151E-15
q -3.87292162525477E-16 9.13734704244665E-16 -5.916008349726114E-13 1.738292091067689E-14 -1.79857219252719E-13 1.893174511190184E-14
tp 2.622871849516327E-13 -5.916008349726114E-13 1.435750563397927E-9 -7.461550519489474E-11 4.911600385632959E-10 2.55352778882264E-11
node -7.373139841040614E-15 1.738292091067689E-14 -7.461550519489474E-11 3.572172134709128E-11 -6.132010381085734E-11 -5.285763265795518E-12
peri 7.93520070605606E-14 -1.79857219252719E-13 4.911600385632959E-10 -6.132010381085734E-11 2.09062306614753E-10 1.374305442053933E-11
i -7.645825679278151E-15 1.893174511190184E-14 2.55352778882264E-11 -5.285763265795518E-12 1.374305442053933E-11 3.143113117526055E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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

Alternate Designations
 1965 UA1 = 1984 UY4 = 1988 XQ3 = 1991 NS3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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