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59178 (1999 AF8)
Classification: Main-belt Asteroid          SPK-ID: 2059178
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04744598151655808 3.2771e-08  
a 2.246349429868384 8.0521e-09 au
q 2.139769176339118 7.3159e-08 au
i 6.752411775292561 3.0623e-06 deg
node 80.40708562481002 3.2014e-05 deg
peri 323.6054932300304 4.984e-05 deg
M 210.1243340503016 3.831e-05 deg
tp 2459512.468242495948
(2021-Oct-24.96824250)
0.00013141 TDB
period 1229.743108266817
3.37
6.6121e-06
1.81e-08
d
yr
n .2927440679113698 1.574e-09 deg/d
Q 2.35292968339765 8.4342e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1499  
   data-arc span      8183 days (22.40 yr)  
   first obs. used      1997-09-02  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:43:49  

Additional Information
 Earth MOID = 1.15361 au 
 Jupiter MOID = 2.80899 au 
 T_jup = 3.620 
[ 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 14.7   n/a MPO474472  
diameter diameter 4.811 km 1.284 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.110   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

59178 (1999 AF8)          Discovered 1999-Jan-13 by Kobayashi, T. at Oizumi
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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