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 ]  
437247 (2012 XN49)
Classification: Main-belt Asteroid          SPK-ID: 2437247
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358680325709837 7.731e-08  
a 3.189068799685868 8.4066e-08 au
q 2.755776296139041 2.355e-07 au
i 27.0862788078532 1.3837e-05 deg
node 63.16951146178675 1.5623e-05 deg
peri 110.1268398192497 5.0632e-05 deg
M 12.00474031324249 4.73e-05 deg
tp 2458931.134339036226
(2020-Mar-22.63433904)
0.00027263 TDB
period 2080.148116108126
5.70
8.2251e-05
2.252e-07
d
yr
n .1730645992043805 6.8431e-09 deg/d
Q 3.622361303232696 9.5487e-08 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      8845 days (24.22 yr)  
   first obs. used      1995-11-17  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:09:24  

Additional Information
 Earth MOID = 1.86354 au 
 Jupiter MOID = 1.6561 au 
 T_jup = 3.013 
[ 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 15.9   n/a MPO419193  

437247 (2012 XN49)          Discovered 1995-Nov-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 2012 XN49 = 1995 WK21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-06 08:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin