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17075 Pankonin (1999 GF49)
Classification: Main-belt Asteroid          SPK-ID: 2017075
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .185734079221498 2.1069e-08  
a 2.283326419017819 6.9852e-09 au
q 1.859234889019424 4.8207e-08 au
i 6.320521450862162 5.8987e-07 deg
node 11.9058696902569 2.6033e-06 deg
peri 1.747840201899237 2.4617e-06 deg
M 355.1611755801683 4.6103e-06 deg
tp 2459413.439000946876
(2021-Jul-17.93900095)
1.6206e-05 TDB
period 1260.231786026941
3.45
5.783e-06
1.583e-08
d
yr
n .2856617361913644 1.3109e-09 deg/d
Q 2.707417949016214 8.2826e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1939  
   data-arc span      18888 days (51.71 yr)  
   first obs. used      1969-10-07  
   last obs. used      2021-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51037  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 13:57:57  

Additional Information
 Earth MOID = .859036 au 
 Jupiter MOID = 2.75917 au 
 T_jup = 3.573 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.33   n/a E2021B10  
diameter diameter 3.165 km 0.288 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.309   0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

17075 Pankonin           Discovered 1999 Apr. 9 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Vernon Pankonin (b. 1946), program director for planetary astronomy at the National Science Foundation, is a radio astronomer by training.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21

Alternate Designations
 1999 GF49 = 1969 TN = 1983 VF2 = 1999 JU135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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