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17347 (3449 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2017347
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 .1827178994134485 3.5626e-08  
a 3.166778011537523 1.6925e-08 au
q 2.588150985360689 1.1144e-07 au
i 6.830376018821221 4.0612e-06 deg
node 35.84361924385146 2.9823e-05 deg
peri 311.4946273998521 3.1652e-05 deg
M 239.8486873857839 1.3054e-05 deg
tp 2459887.490730079105
(2022-Nov-03.99073008)
7.7649e-05 TDB
period 2058.376703903072
5.64
1.6501e-05
4.518e-08
d
yr
n .1748951002590399 1.4021e-09 deg/d
Q 3.745405037714356 2.0017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1921  
   data-arc span      15865 days (43.44 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52068  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:01:46  

Additional Information
 Earth MOID = 1.58653 au 
 Jupiter MOID = 1.71707 au 
 T_jup = 3.166 
[ 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 13.17   n/a E2021B10  
rotation period rot_per 2.748 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.]

17347 (3449 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 3449 T-3 = 1987 KJ3 = 1998 HB70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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