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 ]  
372712 (2009 XG2)
Classification: Main-belt Asteroid          SPK-ID: 2372712
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05054452272742131 5.7357e-08  
a 2.898171934395994 4.1228e-08 au
q 2.751685217189941 1.6536e-07 au
i 15.53693389377699 6.8015e-06 deg
node 260.4623195866331 2.3421e-05 deg
peri 166.1391462358618 8.5146e-05 deg
M 75.30651743735045 7.8052e-05 deg
tp 2458623.523125103260
(2019-May-20.02312510)
0.00039217 TDB
period 1802.123900839376
4.93
3.8454e-05
1.053e-07
d
yr
n .1997642891436724 4.2626e-09 deg/d
Q 3.044658651602047 4.3312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      6029 days (16.51 yr)  
   first obs. used      2003-09-20  
   last obs. used      2020-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54257  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:51:36  

Additional Information
 Earth MOID = 1.76825 au 
 Jupiter MOID = 2.21783 au 
 T_jup = 3.232 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457753.5 (2016-Dec-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05030238683638621 5.7243e-08  
q 2.751423101463569 1.6509e-07 au
tp 2458627.979413355732
(2019-May-24.47941336)
0.0003943 TDB
node 260.4721998073924 2.3423e-05 deg
peri 167.093367712404 8.565e-05 deg
i 15.53759477003078 6.8017e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      6029 days (16.51 yr)  
   first obs. used      2003-09-20  
   last obs. used      2020-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54257  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:51:36  

Additional Information
 Jupiter MOID = 2.21783 au 
 T_jup = 3.232 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.276736433360615E-15 -9.186677451292948E-15 -8.095011188989602E-13 2.221494744842097E-17 -2.698272709551958E-13 -6.661413814999005E-15
q -9.186677451292948E-15 2.725384132099758E-14 -7.27206326735313E-13 1.979905546477621E-15 -2.081607151824153E-14 2.29288464037936E-14
tp -8.095011188989602E-13 -7.27206326735313E-13 1.554719479902084E-7 1.258646827889053E-10 3.248459203176407E-8 1.730913649412531E-11
node 2.221494744842097E-17 1.979905546477621E-15 1.258646827889053E-10 5.48622198249143E-10 -5.017959567208268E-10 1.408453762934701E-11
peri -2.698272709551958E-13 -2.081607151824153E-14 3.248459203176407E-8 -5.017959567208268E-10 7.33599728501283E-9 -1.02480335386745E-11
i -6.661413814999005E-15 2.29288464037936E-14 1.730913649412531E-11 1.408453762934701E-11 -1.02480335386745E-11 4.626356197888086E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO334916  
diameter diameter 5.416 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

372712 (2009 XG2)          Discovered 2009-Dec-11 by Mayhill at Mayhill
Reference: Last Updated: 2013-09-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-23 17:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin