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17054 (1999 GL2)
Classification: Main-belt Asteroid          SPK-ID: 2017054
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01303989701448069 2.1797e-08  
a 2.842796391849685 1.1578e-08 au
q 2.805726619666828 6.0833e-08 au
i 1.260964554103526 1.2277e-06 deg
node 213.1974119885283 1.5003e-05 deg
peri 348.4257187459071 7.1757e-05 deg
M 186.8224534828409 7.6702e-05 deg
tp 2460042.682362545271
(2023-Apr-08.18236255)
0.00037529 TDB
period 1750.721479855686
4.79
1.0695e-05
2.928e-08
d
yr
n .2056295099718975 1.2562e-09 deg/d
Q 2.879866164032543 1.1728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2441  
   data-arc span      15859 days (43.42 yr)  
   first obs. used      1977-10-18  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46166  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:28:01  

Additional Information
 Earth MOID = 1.79868 au 
 Jupiter MOID = 2.07717 au 
 T_jup = 3.308 
[ 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 13.22   n/a E2021B10  
diameter diameter 6.811 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.747 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.240   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17054 (1999 GL2)          Discovered 1999-Apr-06 by Korlevic, K. at Visnjan
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 GL2 = 1977 UB4 = 1991 RD34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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