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 ]  
102931 (1999 XE41)
Classification: Main-belt Asteroid          SPK-ID: 2102931
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2400292728047855 4.3497e-08  
a 2.380030304267926 8.1516e-09 au
q 1.808753361081144 1.0565e-07 au
i 1.984003738307685 4.5517e-06 deg
node 338.1716238254738 0.0001009 deg
peri 354.2341382444903 0.00010115 deg
M 318.3088949363055 8.1241e-06 deg
tp 2459355.814879135147
(2021-May-21.31487914)
3.0699e-05 TDB
period 1341.133951792112
3.67
6.8901e-06
1.886e-08
d
yr
n .2684295625496201 1.3791e-09 deg/d
Q 2.951307247454709 1.0108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      945  
   data-arc span      7557 days (20.69 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52705  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:45  

Additional Information
 Earth MOID = .796461 au 
 Jupiter MOID = 2.42107 au 
 T_jup = 3.499 
[ 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 15.89   n/a E2021B55  
diameter diameter 1.495 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.415   0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

102931 (1999 XE41)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XE41 = 2002 JX58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-04 22:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin