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JPL Small-Body Database Browser
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324941 (2007 XR49)
Classification: Main-belt Asteroid          SPK-ID: 2324941
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136034023909141 5.7827e-08  
a 2.306810628188907 1.8952e-08 au
q 2.044749092155125 1.3567e-07 au
i 4.077002261171612 6.6625e-06 deg
node 276.7476626418746 0.00010702 deg
peri 146.1587222926609 0.00011457 deg
M 230.2803758214893 3.9753e-05 deg
tp 2459461.625907979883
(2021-Sep-04.12590798)
0.00014323 TDB
period 1279.724081256305
3.50
1.5771e-05
4.318e-08
d
yr
n .2813106397486776 3.4668e-09 deg/d
Q 2.568872164222688 2.1105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      5654 days (15.48 yr)  
   first obs. used      2003-10-14  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67453  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 20:13:48  

Additional Information
 Earth MOID = 1.05951 au 
 Jupiter MOID = 2.69134 au 
 T_jup = 3.575 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456940.5 (2014-Oct-10.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139481365555349 5.7832e-08  
q 2.042733877416774 1.3563e-07 au
tp 2456904.693314584248
(2014-Sep-04.19331458)
0.00013458 TDB
node 276.8139164547817 0.00010697 deg
peri 146.372342024497 0.00011444 deg
i 4.078675382686804 6.6644e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      5654 days (15.48 yr)  
   first obs. used      2003-10-14  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67453  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 20:13:48  

Additional Information
 Jupiter MOID = 2.69134 au 
 T_jup = 3.575 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.344540356272456E-15 -7.784147801494742E-15 -1.392403905358126E-12 -1.020290274030685E-14 -4.846813604866635E-13 -1.903991003503788E-15
q -7.784147801494742E-15 1.839501715661588E-14 3.489255149143838E-12 2.625423593483085E-14 1.201521695272682E-12 4.928534883304427E-15
tp -1.392403905358126E-12 3.489255149143838E-12 1.811145493721057E-8 2.448039315295875E-13 5.5283231053874E-9 3.734538148301287E-12
node -1.020290274030685E-14 2.625423593483085E-14 2.448039315295875E-13 1.144343787012886E-8 -1.141271221331291E-8 9.472510643509378E-11
peri -4.846813604866635E-13 1.201521695272682E-12 5.5283231053874E-9 -1.141271221331291E-8 1.309690353060245E-8 -9.325549881319053E-11
i -1.903991003503788E-15 4.928534883304427E-15 3.734538148301287E-12 9.472510643509378E-11 -9.325549881319053E-11 4.44137094201738E-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 17.8   n/a MPO434051  

324941 (2007 XR49)          Discovered 2007-Dec-15 by Spacewatch at Kitt Peak
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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