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
JPL Small-Body Database Browser
Search: [ help ]  
3463 Kaokuen (1981 XJ2)
Classification: Main-belt Asteroid          SPK-ID: 2003463
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358396796264203 1.7221e-08  
a 2.446284615153748 7.2595e-09 au
q 2.113982096756222 4.4032e-08 au
i 3.02466517445756 7.9943e-07 deg
node 50.85262531825683 1.5317e-05 deg
peri 48.77402311727987 1.4323e-05 deg
M 54.43594706795534 8.148e-06 deg
tp 2458989.179229631292
(2020-May-19.67922963)
3.1466e-05 TDB
period 1397.522803043467
3.83
6.2208e-06
1.703e-08
d
yr
n .2575986590100762 1.1467e-09 deg/d
Q 2.778587133551274 8.2456e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2563  
   data-arc span      15308 days (41.91 yr)  
   first obs. used      1979-04-25  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43328  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:59:50  

Additional Information
 Earth MOID = 1.13209 au 
 Jupiter MOID = 2.36367 au 
 T_jup = 3.484 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.36   n/a E2021B10  
diameter diameter 14.198 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3463 Kaokuen (1981 XJ2)          Discovered 1981-Dec-03 by Purple Mountain Observatory at Nanking
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 XJ2 = 1954 WS = 1979 HP3 = A923 RM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-19 01:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin