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JPL Small-Body Database Browser
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59575 (1999 JB51)
Classification: Main-belt Asteroid          SPK-ID: 2059575
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448044605250549 4.3032e-08  
a 2.650942804273877 1.2892e-08 au
q 2.267074461618221 1.1584e-07 au
i 11.54030983655106 4.9456e-06 deg
node 214.503022730105 1.9629e-05 deg
peri 119.3529599794585 2.4359e-05 deg
M 232.2008497638643 1.4649e-05 deg
tp 2459560.160206928916
(2021-Dec-11.66020693)
6.5282e-05 TDB
period 1576.518107688021
4.32
1.15e-05
3.149e-08
d
yr
n .2283513257757271 1.6658e-09 deg/d
Q 3.034811146929532 1.4759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1301  
   data-arc span      7575 days (20.74 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:49:58  

Additional Information
 Earth MOID = 1.28432 au 
 Jupiter MOID = 2.43749 au 
 T_jup = 3.347 
[ 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 14.4   n/a MPO365938  
diameter diameter 4.109 km 0.751 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 67.312 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 0.219   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59575 (1999 JB51)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/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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