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17122 (1999 JH63)
Classification: Main-belt Asteroid          SPK-ID: 2017122
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 61 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05051754760652424 3.4402e-08  
a 2.860847605165614 1.2824e-08 au
q 2.716324600076649 1.0141e-07 au
i 2.832275915742566 3.3058e-06 deg
node 54.89462994029291 7.6111e-05 deg
peri 255.8784130855722 8.3903e-05 deg
M 66.04735405381535 3.4198e-05 deg
tp 2458676.239957055283
(2019-Jul-11.73995706)
0.00016821 TDB
period 1767.423042639734
4.84
1.1884e-05
3.254e-08
d
yr
n .2036863791604313 1.3695e-09 deg/d
Q 3.005370610254579 1.3472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2139  
   data-arc span      13963 days (38.23 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48718  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:56:26  

Additional Information
 Earth MOID = 1.70359 au 
 Jupiter MOID = 2.12437 au 
 T_jup = 3.298 
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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 13.3   n/a MPO302170  
rotation period rot_per 290.079 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

17122 (1999 JH63)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 JH63 = 1981 UV16 = 1986 WE4 = 1991 XL4 = 1999 LH18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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