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(2012 XS111)
Classification: Aten [NEO]          SPK-ID: 3620670
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4995050361919288 3.482e-07  
a .7735370431096779 1.4209e-08 au
q .3871513943953807 2.6282e-07 au
i 7.611433949658164 1.6062e-05 deg
node 62.23230468177341 1.9141e-05 deg
peri 191.9605353680918 2.9361e-05 deg
M 116.188347787381 0.00012509 deg
tp 2459120.298927470639
(2020-Sep-27.79892747)
8.4361e-05 TDB
period 248.4963996854928
0.68
6.8467e-06
1.875e-08
d
yr
n 1.448713142144638 3.9916e-08 deg/d
Q 1.159922691823975 2.1306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      1452 days (3.98 yr)  
   first obs. used      2012-12-10  
   last obs. used      2016-12-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .4656  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 07:21:37  

Additional Information
 Earth MOID = .0476184 au 
 Jupiter MOID = 3.8887 au 
 T_jup = 7.389 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456691.5 (2014-Feb-03.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4996650129537302 3.4789e-07  
q .3869121284121496 2.6171e-07 au
tp 2456635.859056310130
(2013-Dec-09.35905631)
3.5312e-05 TDB
node 62.28680140435173 1.9182e-05 deg
peri 191.9127872135331 2.9507e-05 deg
i 7.60577515073579 1.6071e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      1452 days (3.98 yr)  
   first obs. used      2012-12-10  
   last obs. used      2016-12-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .4656  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 07:21:37  

Additional Information
 Jupiter MOID = 3.8887 au 
 T_jup = 7.389 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.210304178233381E-13 -9.10421572867714E-14 3.426922724616896E-12 1.198987228226789E-13 7.930476382668546E-13 4.422705304890429E-12
q -9.10421572867714E-14 6.849279150715484E-14 -2.611812618571014E-12 -9.012721419612786E-14 -6.146633373596771E-13 -3.331147863114949E-12
tp 3.426922724616896E-12 -2.611812618571014E-12 1.246903294834403E-9 -1.352176061554602E-10 7.970641980127927E-10 1.590700666756136E-10
node 1.198987228226789E-13 -9.012721419612786E-14 -1.352176061554602E-10 3.67940467063057E-10 -4.37032223960407E-10 8.364868913971746E-11
peri 7.930476382668546E-13 -6.146633373596771E-13 7.970641980127927E-10 -4.37032223960407E-10 8.706495497578205E-10 -3.145802397894508E-11
i 4.422705304890429E-12 -3.331147863114949E-12 1.590700666756136E-10 8.364868913971746E-11 -3.145802397894508E-11 2.582807182759426E-10

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 22.0   n/a E2014V29  

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