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136408 (2005 AT53)
Classification: Main-belt Asteroid          SPK-ID: 2136408
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09925911180559421 4.9869e-08  
a 2.371185009632913 1.2955e-08 au
q 2.135823291650011 1.1559e-07 au
i 4.244036818038175 4.3333e-06 deg
node 287.6862677725387 7.0982e-05 deg
peri 250.8285110867741 7.4158e-05 deg
M 36.61917552326101 2.0781e-05 deg
tp 2458864.839738710679
(2020-Jan-16.33973871)
7.7082e-05 TDB
period 1333.66449042888
3.65
1.0929e-05
2.992e-08
d
yr
n .2699329573393914 2.2121e-09 deg/d
Q 2.606546727615815 1.4241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:38:18  

Additional Information
 Earth MOID = 1.14407 au 
 Jupiter MOID = 2.37652 au 
 T_jup = 3.534 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO422493  

136408 (2005 AT53)          Discovered 2005-Jan-13 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2005 AT53 = 1998 HQ129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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