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17568 (1994 GT8)
Classification: Main-belt Asteroid          SPK-ID: 2017568
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08071725139695998 1.2332e-08  
a 2.685330803340576 1.2942e-08 au
q 2.468578281803334 3.3998e-08 au
i 27.93542571899095 5.1119e-07 deg
node 191.3790443875735 1.0741e-06 deg
peri 345.6385464938027 1.0915e-05 deg
M 41.4173147858294 9.1283e-06 deg
tp 2459015.583972352874
(2020-Jun-15.08397235)
4.0784e-05 TDB
period 1607.293237072472
4.40
1.1619e-05
3.181e-08
d
yr
n .2239790423405905 1.6192e-09 deg/d
Q 2.902083324877818 1.3986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2079  
   data-arc span      9823 days (26.89 yr)  
   first obs. used      1994-04-11  
   last obs. used      2021-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 01:35:56  

Additional Information
 Earth MOID = 1.47333 au 
 Jupiter MOID = 2.0613 au 
 T_jup = 3.203 
[ 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 13.37   n/a E2021B10  
diameter diameter 10.748 km 2.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 3.165 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.066   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

17568 (1994 GT8)          Discovered 1994-Apr-11 by Helin, E. F. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 GT8 = 1998 FT73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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