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17148 (1999 JJ105)
Classification: Main-belt Asteroid          SPK-ID: 2017148
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948355492828334 4.7246e-08  
a 3.137212193374225 1.7662e-08 au
q 2.525971732461356 1.5036e-07 au
i 9.671029002871219 5.3978e-06 deg
node 187.57949794993 2.104e-05 deg
peri 171.9402501486235 2.2883e-05 deg
M 208.4370023293535 1.0412e-05 deg
tp 2460054.986004552795
(2023-Apr-20.48600455)
6.292e-05 TDB
period 2029.6178247112
5.56
1.7139e-05
4.692e-08
d
yr
n .177373294428583 1.4979e-09 deg/d
Q 3.748452654287096 2.1103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1401  
   data-arc span      15504 days (42.45 yr)  
   first obs. used      1978-10-03  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5114  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:55:36  

Additional Information
 Earth MOID = 1.52169 au 
 Jupiter MOID = 1.72029 au 
 T_jup = 3.160 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.80   n/a E2021B10  
diameter diameter 4.815 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.7778 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:
[Masiero, J.; Jedicke, R.; Durecy, J.; Gwyn, S.; et al. (2009) Icarus 204, 145-171.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.333   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17148 (1999 JJ105)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JJ105 = 1978 TJ2 = 1992 EE18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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