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344997 (2005 AG57)
Classification: Main-belt Asteroid          SPK-ID: 2344997
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2996443510663602 5.4386e-07  
a 2.53433123757126 3.8738e-08 au
q 1.774933198502014 1.4008e-06 au
i 12.19272946471855 8.3938e-06 deg
node 167.2311055001559 6.243e-05 deg
peri 261.4333885868886 5.8722e-05 deg
M 319.8645022245668 1.7104e-05 deg
tp 2459164.793221208240
(2020-Nov-11.29322121)
6.9618e-05 TDB
period 1473.647093301268
4.03
3.3787e-05
9.25e-08
d
yr
n .244291867188858 5.6011e-09 deg/d
Q 3.293729276640506 5.0345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      6376 days (17.46 yr)  
   first obs. used      2000-11-30  
   last obs. used      2018-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:07:32  

Additional Information
 Earth MOID = .835802 au 
 Jupiter MOID = 2.19776 au 
 T_jup = 3.355 
[ 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 16.4   n/a MPO450304  

344997 (2005 AG57)          Discovered 2005-Jan-15 by LONEOS at Anderson Mesa
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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