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245266 (2005 AF54)
Classification: Main-belt Asteroid          SPK-ID: 2245266
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318820577288894 5.0555e-08  
a 3.086949497774125 2.9635e-08 au
q 2.679836245902512 1.6169e-07 au
i 2.283058355398064 5.7204e-06 deg
node 43.36988937981252 0.00015301 deg
peri 77.74776979991512 0.00015546 deg
M 311.4446917360507 2.5892e-05 deg
tp 2459267.694139653022
(2021-Feb-22.19413965)
0.00014328 TDB
period 1981.037577852344
5.42
2.8527e-05
7.81e-08
d
yr
n .1817229536808072 2.6168e-09 deg/d
Q 3.494062749645737 3.3543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      2000-03-03  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58492  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:45:16  

Additional Information
 Earth MOID = 1.69691 au 
 Jupiter MOID = 1.58308 au 
 T_jup = 3.211 
[ 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 15.8   n/a MPO413142  
diameter diameter 3.256 km 0.986 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245266 (2005 AF54)          Discovered 2005-Jan-13 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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