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JPL Small-Body Database Browser
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59530 (1999 JU24)
Classification: Main-belt Asteroid          SPK-ID: 2059530
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03600246576958309 4.841e-08  
a 3.134484071437819 1.8437e-08 au
q 3.021634915950575 1.5722e-07 au
i 11.84354842458684 4.1315e-06 deg
node 25.2419750837475 2.0839e-05 deg
peri 143.7183314787474 5.9146e-05 deg
M 337.3795246201053 5.4524e-05 deg
tp 2459127.864018897144
(2020-Oct-05.36401890)
0.00030696 TDB
period 2026.970964709469
5.55
1.7884e-05
4.896e-08
d
yr
n .1776049120918709 1.567e-09 deg/d
Q 3.247333226925062 1.9101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1719  
   data-arc span      10697 days (29.29 yr)  
   first obs. used      1990-10-22  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47549  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:49:03  

Additional Information
 Earth MOID = 2.03144 au 
 Jupiter MOID = 1.71979 au 
 T_jup = 3.178 
[ 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 12.8   n/a MPO337725  
diameter diameter 8.177 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.005 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.113   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59530 (1999 JU24)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JU24 = 2001 QX257 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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