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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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157598342036697 2.4371e-08  
a 2.435569137030566 7.3308e-09 au
q 2.051727479118799 5.8377e-08 au
i 1.823619188132254 3.7768e-06 deg
node 295.5132975012989 9.4268e-05 deg
peri 122.2965016183354 9.5335e-05 deg
M 102.2194749928137 1.447e-05 deg
tp 2458606.287614142864
(2019-May-02.78761414)
5.4998e-05 TDB
period 1388.350496992341
3.80
6.2682e-06
1.716e-08
d
yr
n .259300515813469 1.1707e-09 deg/d
Q 2.819410794942332 8.4861e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2535  
   data-arc span      19963 days (54.66 yr)  
   first obs. used      1965-10-16  
   last obs. used      2020-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:21:27  

Additional Information
 Earth MOID = 1.06459 au 
 Jupiter MOID = 2.5078 au 
 T_jup = 3.487 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456993.5 (2014-Dec-02.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560496747209294 2.4279e-08  
q 2.056220440954926 5.8049e-08 au
tp 2457216.585993227862
(2015-Jul-13.08599323)
5.3459e-05 TDB
node 295.7139192444221 9.4133e-05 deg
peri 121.9633914771282 9.5234e-05 deg
i 1.824197182476141 3.7798e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2535  
   data-arc span      19963 days (54.66 yr)  
   first obs. used      1965-10-16  
   last obs. used      2020-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:21:27  

Additional Information
 Jupiter MOID = 2.5078 au 
 T_jup = 3.487 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.894656273132062E-16 -1.401678805894741E-15 2.456490337295535E-13 -1.88063620388347E-15 6.063229202452352E-14 1.532272023768705E-17
q -1.401678805894741E-15 3.369634658262704E-15 -4.831942602547149E-13 4.427953299379569E-15 -1.199037888186E-13 2.003657669325205E-17
tp 2.456490337295535E-13 -4.831942602547149E-13 2.857858216537751E-9 -1.465373154319441E-11 7.798452715458263E-10 2.177273971899917E-14
node -1.88063620388347E-15 4.427953299379569E-15 -1.465373154319441E-11 8.861100287092708E-9 -8.860004605536215E-9 1.019358774361924E-10
peri 6.063229202452352E-14 -1.199037888186E-13 7.798452715458263E-10 -8.860004605536215E-9 9.069532729473766E-9 -1.018826198463086E-10
i 1.532272023768705E-17 2.003657669325205E-17 2.177273971899917E-14 1.019358774361924E-10 -1.018826198463086E-10 1.428700592310419E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
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 36 CATAB v2.0f-lin.ifort 2020-Jun-23 16:21:40 2020-Jun-23 16:21

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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