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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2247328789435803 5.8533e-08  
a 3.080549351214258 2.3079e-08 au
q 2.388248626788099 1.744e-07 au
i 2.858960509097136 5.4806e-06 deg
node 270.3166874165013 0.00013012 deg
peri 263.9940508044721 0.00013177 deg
M 94.75696616798412 1.523e-05 deg
tp 2458480.684375095778
(2018-Dec-28.18437510)
8.4625e-05 TDB
period 1974.879869346718
5.41
2.2193e-05
6.076e-08
d
yr
n .1822895688936697 2.0486e-09 deg/d
Q 3.772850075640416 2.8266e-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 = 1.39537 au 
 Jupiter MOID = 1.23165 au 
 T_jup = 3.187 
[ 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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