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 ]  
437270 (2012 XM139)
Classification: Main-belt Asteroid          SPK-ID: 2437270
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2596305331066824 1.4215e-07  
a 2.55687722045541 4.3339e-08 au
q 1.893033824620239 3.7863e-07 au
i 5.131027266935499 1.3759e-05 deg
node 224.8975905917871 6.8765e-05 deg
peri 163.3327235095996 7.3498e-05 deg
M 328.422543404729 2.0778e-05 deg
tp 2459131.489922125136
(2020-Oct-08.98992212)
8.6614e-05 TDB
period 1493.355610284043
4.09
3.7968e-05
1.04e-07
d
yr
n .2410678324177096 6.1291e-09 deg/d
Q 3.22072061629058 5.4591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      3991 days (10.93 yr)  
   first obs. used      2008-07-30  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55355  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:09:24  

Additional Information
 Earth MOID = .898805 au 
 Jupiter MOID = 2.23374 au 
 T_jup = 3.384 
[ 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 16.4   n/a MPO477050  

437270 (2012 XM139)          Discovered 2008-Jul-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-14 00:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin