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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271564787336756 3.7821e-08  
a 3.02124754786968 1.6066e-08 au
q 2.63707634829982 1.1872e-07 au
i 8.618576210188698 4.1564e-06 deg
node 265.3655613715586 2.794e-05 deg
peri 80.97523693746164 3.2655e-05 deg
M 265.1803633721394 1.8811e-05 deg
tp 2459505.712025146426
(2021-Oct-18.21202515)
0.00010216 TDB
period 1918.129361395098
5.25
1.53e-05
4.189e-08
d
yr
n .1876828577078681 1.497e-09 deg/d
Q 3.405418747439541 1.8109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1997  
   data-arc span      14887 days (40.76 yr)  
   first obs. used      1979-09-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46815  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:06:15  

Additional Information
 Earth MOID = 1.64738 au 
 Jupiter MOID = 2.04259 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-August); 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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