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JPL Small-Body Database Browser
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(2012 XJ16)
Classification: Apollo [NEO]          SPK-ID: 3619459
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969737628469375 0.00055619  
a 1.010468966882918 0.00034643 au
q .8114330922359323 0.00028938 au
i 15.7510667378844 0.055234 deg
node 69.05370525575813 0.014883 deg
peri 114.7724346269376 0.013892 deg
M 39.27068654212922 1.0868 deg
tp 2458960.028538284100
(2020-Apr-20.52853828)
1.0992 TDB
period 371.0076777520486
1.02
0.19079
0.0005224
d
yr
n .9703303235697317 0.000499 deg/d
Q 1.209504841529904 0.00041467 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      8 days  
   first obs. used      2012-12-06  
   last obs. used      2012-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .42279  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:47:48  

Additional Information
 Earth MOID = .0590124 au 
 Jupiter MOID = 3.78208 au 
 T_jup = 5.981 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456270.5 (2012-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1966858312380332 0.00052402  
q .8114759829783483 0.00029599 au
tp 2456363.809498878879
(2013-Mar-12.30949888)
0.048009 TDB
node 69.17872511565388 0.015327 deg
peri 115.0219421313054 0.026314 deg
i 15.7568357363649 0.056324 deg
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      8 days  
   first obs. used      2012-12-06  
   last obs. used      2012-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .42279  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:47:48  

Additional Information
 Jupiter MOID = 3.78208 au 
 T_jup = 5.981 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.745971659176698E-7 -1.539628498304508E-7 -2.47434490884966E-5 -8.031701967990634E-6 -1.198484304631705E-5 2.951080988126121E-5
q -1.539628498304508E-7 8.761111297114152E-8 1.356226584044741E-5 4.502630285569605E-6 6.25303573954411E-6 -1.657944352149329E-5
tp -2.47434490884966E-5 1.356226584044741E-5 .002304832831101648 .0007238698654790569 .001192814750965319 -.00265112564832682
node -8.031701967990634E-6 4.502630285569605E-6 .0007238698654790569 .0002349211751232553 .0003507702993181369 -.0008631507801631189
peri -1.198484304631705E-5 6.25303573954411E-6 .001192814750965319 .0003507702993181369 .0006924369405619406 -.001275959253999318
i 2.951080988126121E-5 -1.657944352149329E-5 -.00265112564832682 -.0008631507801631189 -.001275959253999318 .003172393752970465

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.7   n/a MPO252137  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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