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JPL Small-Body Database Browser
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212915 (2007 XH47)
Classification: Main-belt Asteroid          SPK-ID: 2212915
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02541910397377908 7.8197e-08  
a 2.908478304704841 4.472e-08 au
q 2.834547392272068 2.2421e-07 au
i 3.25398967933788 5.983e-06 deg
node 98.352415138136 0.00022245 deg
peri 341.4801617303428 0.00033262 deg
M 117.7849163766297 0.00024388 deg
tp 2458007.732551005864
(2017-Sep-11.23255101)
0.0012286 TDB
period 1811.745410214768
4.96
4.1786e-05
1.144e-07
d
yr
n .1987034149336274 4.5828e-09 deg/d
Q 2.982409217137614 4.5857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      6434 days (17.62 yr)  
   first obs. used      2001-09-12  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58302  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:40:28  

Additional Information
 Earth MOID = 1.85021 au 
 Jupiter MOID = 2.07074 au 
 T_jup = 3.281 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457222.5 (2015-Jul-19.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02637037540352288 7.7715e-08  
q 2.832529216317288 2.2325e-07 au
tp 2458009.745386213569
(2017-Sep-13.24538621)
0.0011877 TDB
node 98.36443476908494 0.00022245 deg
peri 341.9119881206715 0.00032658 deg
i 3.253860796514974 5.9825e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      6434 days (17.62 yr)  
   first obs. used      2001-09-12  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58302  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:40:28  

Additional Information
 Jupiter MOID = 2.07074 au 
 T_jup = 3.281 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.039611134753573E-15 -1.702262301297834E-14 -5.089551547843212E-11 3.202848522245651E-14 -1.048332822799821E-11 5.36496424526292E-15
q -1.702262301297834E-14 4.984163949385002E-14 1.434436270720149E-10 -8.792358359525732E-14 2.939936089064953E-11 -1.404473416192833E-14
tp -5.089551547843212E-11 1.434436270720149E-10 1.410700725647327E-6 -1.22131849091718E-9 2.842557503488873E-7 -1.031072944153216E-10
node 3.202848522245651E-14 -8.792358359525732E-14 -1.22131849091718E-9 4.94833072904264E-8 -4.964755799447061E-8 -1.439533690128171E-10
peri -1.048332822799821E-11 2.939936089064953E-11 2.842557503488873E-7 -4.964755799447061E-8 1.066523601702943E-7 1.22870036719089E-10
i 5.36496424526292E-15 -1.404473416192833E-14 -1.031072944153216E-10 -1.439533690128171E-10 1.22870036719089E-10 3.578999493572021E-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 15.8   n/a MPO433392  

212915 (2007 XH47)          Discovered 2007-Dec-15 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2007 XH47 = 2004 FB56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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