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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575983468764448 2.6634e-08  
a 2.435569135862556 7.7717e-09 au
q 2.051727466347326 6.4891e-08 au
i 1.823621185364736 4.0088e-06 deg
node 295.5132568093464 9.7941e-05 deg
peri 122.296542844539 9.9007e-05 deg
M 102.2194752840573 1.4481e-05 deg
tp 2458606.287613303249
(2019-May-02.78761330)
5.5048e-05 TDB
period 1388.350495993637
3.80
6.6452e-06
1.819e-08
d
yr
n .2593005159999956 1.2411e-09 deg/d
Q 2.819410805377785 8.9965e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2165  
   data-arc span      19803 days (54.22 yr)  
   first obs. used      1965-10-16  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 20:03:53  

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-Feb-20 11:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin