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JPL Small-Body Database Browser
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312277 (2008 AT111)
Classification: Main-belt Asteroid          SPK-ID: 2312277
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2553254738001571 9.8047e-08  
a 2.582804960134727 2.1182e-08 au
q 1.923349059954932 2.6248e-07 au
i 4.022521063093496 7.2043e-06 deg
node 351.5781111657122 0.00012428 deg
peri 74.07945240219405 0.0001294 deg
M 299.7855539278276 2.1058e-05 deg
tp 2458854.091118539856
(2020-Jan-05.59111854)
8.828e-05 TDB
period 1516.127916628605
4.15
1.8651e-05
5.106e-08
d
yr
n .2374469832337944 2.9211e-09 deg/d
Q 3.242260860314522 2.6591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      7742 days (21.20 yr)  
   first obs. used      1998-08-26  
   last obs. used      2019-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52091  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:31:43  

Additional Information
 Earth MOID = .941276 au 
 Jupiter MOID = 2.10882 au 
 T_jup = 3.374 
[ 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 17.5   n/a MPO372914  

312277 (2008 AT111)          Discovered 2008-Jan-15 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2008 AT111 = 1998 QE59 = 1998 SF176 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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