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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1444210116229916 4.3095e-08  
a 2.651796309009927 1.3264e-08 au
q 2.268821203444598 1.1604e-07 au
i 11.53912150246983 5.1268e-06 deg
node 214.5125956728252 1.9854e-05 deg
peri 119.3403336706725 2.5021e-05 deg
M 140.8817200896483 1.508e-05 deg
tp 2457983.250404106120
(2017-Aug-17.75040411)
6.5405e-05 TDB
period 1577.279539037403
4.32
1.1834e-05
3.24e-08
d
yr
n .2282410892236034 1.7124e-09 deg/d
Q 3.034771414575256 1.5179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1275  
   data-arc span      7210 days (19.74 yr)  
   first obs. used      1999-05-10  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51827  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:39:25  

Additional Information
 Earth MOID = 1.28516 au 
 Jupiter MOID = 2.43539 au 
 T_jup = 3.346 
[ 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-January); 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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