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117455 (2005 AL61)
Classification: Main-belt Asteroid          SPK-ID: 2117455
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06091854521313714 7.0643e-08  
a 2.407814010655712 1.2782e-08 au
q 2.261133483982757 1.7168e-07 au
i 6.575171110891587 6.6876e-06 deg
node 341.74356367354 3.3845e-05 deg
peri 205.6324045475864 5.8392e-05 deg
M 347.5258018886138 4.9477e-05 deg
tp 2459047.787131400109
(2020-Jul-17.28713140)
0.00018753 TDB
period 1364.686303041859
3.74
1.0866e-05
2.975e-08
d
yr
n .2637968881182197 2.1005e-09 deg/d
Q 2.554494537328667 1.356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      9545 days (26.13 yr)  
   first obs. used      1994-03-04  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51525  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:12:26  

Additional Information
 Earth MOID = 1.26477 au 
 Jupiter MOID = 2.41459 au 
 T_jup = 3.510 
[ 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 16.2   n/a MPO453645  

117455 (2005 AL61)          Discovered 2005-Jan-15 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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