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(2012 XL16)
Classification: Aten [NEO]          SPK-ID: 3619461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1784316586253787 0.00036443  
a .9844747740235086 0.00010856 au
q .8088133072196491 0.00027027 au
i 3.153944777878209 0.0076276 deg
node 258.7845931128435 0.019754 deg
peri 59.04117874736671 0.0085291 deg
M 331.0990751578172 0.26424 deg
tp 2459029.142739633361
(2020-Jun-28.64273963)
0.26662 TDB
period 356.7839549881688
0.98
0.059017
0.0001616
d
yr
n 1.009013984420734 0.0001669 deg/d
Q 1.160136240827368 0.00012793 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      10 days  
   first obs. used      2012-12-06  
   last obs. used      2012-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .38184  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:47:48  

Additional Information
 Earth MOID = .0178024 au 
 Jupiter MOID = 4.02676 au 
 T_jup = 6.140 
[ 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 25.5   n/a MPO252137  

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