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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1862436884413083 4.4966e-08  
a 2.28310049417409 7.9015e-09 au
q 1.857887437056934 1.026e-07 au
i 6.319825199818703 4.8658e-06 deg
node 11.94413894724914 3.1414e-05 deg
peri 1.847327741290522 3.2756e-05 deg
M 241.9587054505311 1.1087e-05 deg
tp 2459413.659203876637
(2021-Jul-18.15920388)
4.0049e-05 TDB
period 1260.044749282687
3.45
6.5413e-06
1.791e-08
d
yr
n .2857041388450207 1.4832e-09 deg/d
Q 2.708313551291246 9.3731e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1689  
   data-arc span      18371 days (50.30 yr)  
   first obs. used      1969-10-07  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52108  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:55:16  

Additional Information
 Earth MOID = .858525 au 
 Jupiter MOID = 2.7564 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 14.3   n/a MPO384901  
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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