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JPL Small-Body Database Browser
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11742 (1999 JZ5)
Classification: Main-belt Asteroid          SPK-ID: 2011742
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01643206094056208 3.6703e-08  
a 2.792571133978136 1.4928e-08 au
q 2.746683434923753 1.0296e-07 au
i 5.591243353199218 3.7982e-06 deg
node 103.9707247655665 4.7819e-05 deg
peri 126.5272134645327 0.00015252 deg
M 96.06496103659433 0.00014649 deg
tp 2458145.650937579961
(2018-Jan-27.15093758)
0.00069291 TDB
period 1704.530566653101
4.67
1.3668e-05
3.742e-08
d
yr
n .2112018446855261 1.6936e-09 deg/d
Q 2.838458833032519 1.5174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1287  
   data-arc span      24773 days (67.82 yr)  
   first obs. used      1952-01-30  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53084  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:38:58  

Additional Information
 Earth MOID = 1.73739 au 
 Jupiter MOID = 2.14392 au 
 T_jup = 3.321 
[ 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 14.0   n/a MPO350895  
diameter diameter 10.635 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12.17299 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.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.052   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11742 (1999 JZ5)          Discovered 1999-May-07 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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