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JPL Small-Body Database Browser
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59555 (1999 JE41)
Classification: Main-belt Asteroid          SPK-ID: 2059555
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2075903898226956 3.9326e-08  
a 2.542354599075264 1.4105e-08 au
q 2.014586216785707 1.0126e-07 au
i 4.688214967347935 3.6004e-06 deg
node 118.8082636636272 7.5231e-05 deg
peri 199.6882171814144 7.6696e-05 deg
M 264.5602431158325 1.7607e-05 deg
tp 2458993.035949755668
(2020-May-23.53594976)
7.3484e-05 TDB
period 1480.650690294066
4.05
1.2322e-05
3.374e-08
d
yr
n .2431363469857308 2.0234e-09 deg/d
Q 3.070122981364821 1.7033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1083  
   data-arc span      7304 days (20.00 yr)  
   first obs. used      1999-05-10  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59319  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:15:09  

Additional Information
 Earth MOID = 1.00118 au 
 Jupiter MOID = 2.23645 au 
 T_jup = 3.410 
[ 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 15.1   n/a MPO436198  
rotation period rot_per 5.39 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

59555 (1999 JE41)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JE41 = 2000 UG87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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