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 ]  
392981 (2012 XU49)
Classification: Main-belt Asteroid          SPK-ID: 2392981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305563181070542 6.5432e-08  
a 2.782592727893804 8.2497e-08 au
q 2.419307666548525 2.0637e-07 au
i 11.09546687665888 6.8809e-06 deg
node 86.52921650386847 4.8437e-05 deg
peri 232.0281181559615 6.8959e-05 deg
M 316.5972925436584 3.9615e-05 deg
tp 2459204.902976843900
(2020-Dec-21.40297684)
0.0001838 TDB
period 1695.402798035642
4.64
7.5397e-05
2.064e-07
d
yr
n .2123389205309261 9.443e-09 deg/d
Q 3.145877789239083 9.3268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      7407 days (20.28 yr)  
   first obs. used      1998-12-22  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56302  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:57:25  

Additional Information
 Earth MOID = 1.42324 au 
 Jupiter MOID = 2.13968 au 
 T_jup = 3.293 
[ 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 16.2   n/a MPO434458  

392981 (2012 XU49)          Discovered 2009-Jan-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-03 13:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin