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JPL Small-Body Database Browser
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324940 (2007 XE46)
Classification: Main-belt Asteroid          SPK-ID: 2324940
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1573481740737975 4.6097e-08  
a 2.266582878102763 1.5608e-08 au
q 1.909940200846361 1.0513e-07 au
i 8.320858975759995 4.7437e-06 deg
node 113.4479143935829 3.6987e-05 deg
peri 295.9032315786131 4.0783e-05 deg
M 258.1938141473805 1.6655e-05 deg
tp 2459352.974334105418
(2021-May-18.47433411)
5.8891e-05 TDB
period 1246.395385656083
3.41
1.2874e-05
3.525e-08
d
yr
n .2888329049858457 2.9834e-09 deg/d
Q 2.623225555359165 1.8064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      7292 days (19.96 yr)  
   first obs. used      1999-06-10  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60495  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 20:13:48  

Additional Information
 Earth MOID = .937835 au 
 Jupiter MOID = 2.74255 au 
 T_jup = 3.586 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457274.5 (2015-Sep-09.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1581962865686473 4.6097e-08  
q 1.907246567407015 1.0523e-07 au
tp 2456862.382538254861
(2014-Jul-23.88253825)
5.454e-05 TDB
node 113.4831249824305 3.7019e-05 deg
peri 296.0592382252034 4.0748e-05 deg
i 8.318684690994226 4.7425e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      7292 days (19.96 yr)  
   first obs. used      1999-06-10  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60495  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 20:13:48  

Additional Information
 Jupiter MOID = 2.74255 au 
 T_jup = 3.586 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.124976270963486E-15 -4.813451589156929E-15 -4.871507326533952E-13 1.190073142744356E-14 -2.0412684580957E-13 -4.084592139522451E-15
q -4.813451589156929E-15 1.107407051869649E-14 1.04094300758412E-12 -2.47264854822311E-14 4.527131452150449E-13 9.934502959001479E-15
tp -4.871507326533952E-13 1.04094300758412E-12 2.974582215876386E-9 -1.316405719641504E-11 9.514492669265512E-10 3.360614678854801E-12
node 1.190073142744356E-14 -2.47264854822311E-14 -1.316405719641504E-11 1.370411163320019E-9 -1.359928044640399E-9 -1.205435387741291E-12
peri -2.0412684580957E-13 4.527131452150449E-13 9.514492669265512E-10 -1.359928044640399E-9 1.660435755675958E-9 2.367258010529809E-12
i -4.084592139522451E-15 9.934502959001479E-15 3.360614678854801E-12 -1.205435387741291E-12 2.367258010529809E-12 2.249092750114578E-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 17.2   n/a MPO437406  

324940 (2007 XE46)          Discovered 2007-Dec-15 by CSS at Catalina
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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