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JPL Small-Body Database Browser
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136791 (1997 AF8)
Classification: Main-belt Asteroid          SPK-ID: 2136791
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2232490169538997 5.8353e-08  
a 3.075886881507863 2.2112e-08 au
q 2.389198158949836 1.7241e-07 au
i 2.860330868881694 5.4881e-06 deg
node 270.3301245221635 0.00013004 deg
peri 263.7346183473901 0.00013175 deg
M 22.13847964039165 1.5672e-05 deg
tp 2458479.328842015839
(2018-Dec-26.82884202)
8.5922e-05 TDB
period 1970.398039200043
5.39
2.1247e-05
5.817e-08
d
yr
n .1827042013024716 1.9702e-09 deg/d
Q 3.762575604065889 2.7049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      8599 days (23.54 yr)  
   first obs. used      1995-10-24  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5356  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:13:21  

Additional Information
 Earth MOID = 1.39685 au 
 Jupiter MOID = 1.24314 au 
 T_jup = 3.189 
[ 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 MPO432829  

136791 (1997 AF8)          Discovered 1997-Jan-02 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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