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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1862437010183434 4.0044e-08  
a 2.283100495511142 7.5653e-09 au
q 1.857887409430333 9.2283e-08 au
i 6.319823107353741 4.4298e-06 deg
node 11.944148826985 2.9838e-05 deg
peri 1.84731645273687 3.1195e-05 deg
M 241.9587054103779 1.1085e-05 deg
tp 2459413.659204380115
(2021-Jul-18.15920438)
4.003e-05 TDB
period 1260.044750389566
3.45
6.2629e-06
1.715e-08
d
yr
n .2857041385940455 1.4201e-09 deg/d
Q 2.708313581591951 8.9742e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1847  
   data-arc span      18514 days (50.69 yr)  
   first obs. used      1969-10-07  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51129  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:06:15  

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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