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117451 (2005 AA50)
Classification: Main-belt Asteroid          SPK-ID: 2117451
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .020948653538633 3.6518e-08  
a 2.496180360792501 1.3205e-08 au
q 2.443888743244319 8.8024e-08 au
i 3.068814325133452 5.0773e-06 deg
node 227.4495138740395 6.4906e-05 deg
peri 58.59468342203593 0.00013602 deg
M 152.2559854273989 0.00011827 deg
tp 2458391.265844072154
(2018-Sep-29.76584407)
0.00047306 TDB
period 1440.497038709891
3.94
1.1431e-05
3.13e-08
d
yr
n .2499137383318858 1.9831e-09 deg/d
Q 2.548471978340682 1.3482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      9338 days (25.57 yr)  
   first obs. used      1994-05-05  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5512  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:01:09  

Additional Information
 Earth MOID = 1.42919 au 
 Jupiter MOID = 2.46043 au 
 T_jup = 3.467 
[ 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 16.3   n/a MPO453645  
diameter diameter 3.590 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117451 (2005 AA50)          Discovered 2005-Jan-13 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 2005 AA50 = 2002 JH55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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