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JPL Small-Body Database Browser
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17111 (1999 JH52)
Classification: Main-belt Asteroid          SPK-ID: 2017111
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1270504709114879 4.3469e-08  
a 3.020577234379869 1.7795e-08 au
q 2.636811474327386 1.3272e-07 au
i 8.618928993117279 4.4345e-06 deg
node 265.3642376301248 3.2303e-05 deg
peri 81.14976476560928 3.659e-05 deg
M 189.8785317113889 1.8715e-05 deg
tp 2459506.628866188499
(2021-Oct-19.12886619)
0.00010318 TDB
period 1917.491043954843
5.25
1.6945e-05
4.639e-08
d
yr
n .1877453358308765 1.6591e-09 deg/d
Q 3.404342994432351 2.0056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1772  
   data-arc span      14484 days (39.66 yr)  
   first obs. used      1979-09-14  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48021  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:29:14  

Additional Information
 Earth MOID = 1.64629 au 
 Jupiter MOID = 2.04205 au 
 T_jup = 3.217 
[ 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 12.4   n/a MPO347658  
diameter diameter 12.837 km 0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.89847 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.098   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17111 (1999 JH52)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JH52 = 1979 RA1 = 1992 CY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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