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214978 (2008 AG68)
Classification: Main-belt Asteroid          SPK-ID: 2214978
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0699097818731694 7.7265e-08  
a 3.059323385439088 3.6349e-08 au
q 2.845446754883555 2.2099e-07 au
i 8.293861253499566 6.1343e-06 deg
node 131.7425873444257 4.8297e-05 deg
peri 91.22924897546771 7.1016e-05 deg
M 29.51585798793759 4.7401e-05 deg
tp 2458840.253180757372
(2019-Dec-22.75318076)
0.00025838 TDB
period 1954.503743408779
5.35
3.4833e-05
9.537e-08
d
yr
n .1841899772328586 3.2826e-09 deg/d
Q 3.273200015994621 3.889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      8150 days (22.31 yr)  
   first obs. used      1998-04-24  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66004  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:44:47  

Additional Information
 Earth MOID = 1.85263 au 
 Jupiter MOID = 1.76083 au 
 T_jup = 3.215 
[ 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 15.7   n/a MPO433406  

214978 (2008 AG68)          Discovered 2008-Jan-11 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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