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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 60 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05051756997439127 3.4406e-08  
a 2.860847601857539 1.283e-08 au
q 2.716324532944631 1.0143e-07 au
i 2.832275526935972 3.3079e-06 deg
node 54.89471600589319 7.6122e-05 deg
peri 255.8782597285208 8.3916e-05 deg
M 66.04741921426763 3.4208e-05 deg
tp 2458676.239637711918
(2019-Jul-11.73963771)
0.00016826 TDB
period 1767.423039574156
4.84
1.189e-05
3.255e-08
d
yr
n .2036863795137233 1.3703e-09 deg/d
Q 3.005370670770446 1.3479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2127  
   data-arc span      13922 days (38.12 yr)  
   first obs. used      1981-10-24  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48739  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:16:58  

Additional Information
 Earth MOID = 1.70359 au 
 Jupiter MOID = 2.12437 au 
 T_jup = 3.298 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456444.5 (2013-Jun-01.0) TDB
Reference: JPL 60 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05307933656031454 3.4383e-08  
q 2.709395991847704 1.0192e-07 au
tp 2456915.937088478870
(2014-Sep-15.43708848)
0.00016187 TDB
node 54.92417584467593 7.6059e-05 deg
peri 257.5986827992077 8.3135e-05 deg
i 2.835022749466253 3.308e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2127  
   data-arc span      13922 days (38.12 yr)  
   first obs. used      1981-10-24  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48739  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:16:58  

Additional Information
 Jupiter MOID = 2.12437 au 
 T_jup = 3.298 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.182219849540168E-15 -3.480082860171912E-15 6.834627294280286E-13 4.762218893090806E-15 1.240309464264368E-13 -5.924471505025932E-16
q -3.480082860171912E-15 1.038863972112433E-14 -2.402913021748025E-12 -1.385467442570906E-14 -4.53956743030927E-13 1.83807056580183E-15
tp 6.834627294280286E-13 -2.402913021748025E-12 2.620268838512355E-8 4.853694420658046E-12 5.451224453388456E-9 -6.097060452123506E-13
node 4.762218893090806E-15 -1.385467442570906E-14 4.853694420658046E-12 5.785031603671922E-9 -5.776687059563049E-9 -1.234729423906756E-11
peri 1.240309464264368E-13 -4.53956743030927E-13 5.451224453388456E-9 -5.776687059563049E-9 6.911417181597979E-9 1.220503551520538E-11
i -5.924471505025932E-16 1.83807056580183E-15 -6.097060452123506E-13 -1.234729423906756E-11 1.220503551520538E-11 1.094286901539997E-11

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

[ show close-approach data ]
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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