Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

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 
[ 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 13.8   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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-01 16:46 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin