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(2012 XM55)
Classification: Apollo [NEO]          SPK-ID: 3619731
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303302366613684 5.3569e-05  
a 1.096513501038806 5.3305e-05 au
q .9536046369460329 1.2384e-05 au
i 1.080558227773402 0.00099711 deg
node 66.55195762246721 0.014375 deg
peri 68.64712532360302 0.011468 deg
M 309.2881036530802 0.19461 deg
tp 2459259.578131649636
(2021-Feb-14.07813165)
0.23102 TDB
period 419.3912853972937
1.15
0.030582
8.373e-05
d
yr
n .8583869349096471 6.2593e-05 deg/d
Q 1.239422365131579 6.0252e-05 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      12 days  
   first obs. used      2012-12-08  
   last obs. used      2012-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .41035  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 07:19:34  

Additional Information
 Earth MOID = .00800105 au 
 Jupiter MOID = 3.76191 au 
 T_jup = 5.655 
[ show covariance matrix ]

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 27.9   n/a MPO247320  

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