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JPL Small-Body Database Browser
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185557 (2008 AF16)
Classification: Main-belt Asteroid          SPK-ID: 2185557
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1213782598616987 4.4927e-08  
a 2.295003376231595 1.7469e-08 au
q 2.01643986004788 1.0742e-07 au
i 6.89491109027631 5.2972e-06 deg
node 144.766441562868 3.7748e-05 deg
peri 124.0257303253584 4.4818e-05 deg
M 61.87902035727668 2.1635e-05 deg
tp 2458782.219797113868
(2019-Oct-25.71979711)
7.6813e-05 TDB
period 1269.911394609962
3.48
1.45e-05
3.97e-08
d
yr
n .2834843450716258 3.2368e-09 deg/d
Q 2.573566892415309 1.959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      8236 days (22.55 yr)  
   first obs. used      1996-12-12  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59292  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:06:43  

Additional Information
 Earth MOID = 1.00981 au 
 Jupiter MOID = 2.52405 au 
 T_jup = 3.576 
[ 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 16.9   n/a MPO433217  

185557 (2008 AF16)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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