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JPL Small-Body Database Browser
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59543 (1999 JU31)
Classification: Main-belt Asteroid          SPK-ID: 2059543
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002897588910615 4.2865e-08  
a 2.564090646103342 1.3635e-08 au
q 2.306938613430812 1.1269e-07 au
i 3.382177116294204 4.2373e-06 deg
node 64.62543338543854 8.0599e-05 deg
peri 173.3006183368738 8.4752e-05 deg
M 299.9169514165095 2.9306e-05 deg
tp 2458850.792564481372
(2020-Jan-02.29256448)
0.00012301 TDB
period 1499.679615758594
4.11
1.1962e-05
3.275e-08
d
yr
n .2400512724298773 1.9147e-09 deg/d
Q 2.821242678775872 1.5002e-08 au
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      7304 days (20.00 yr)  
   first obs. used      1999-04-12  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54584  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:39:18  

Additional Information
 Earth MOID = 1.29476 au 
 Jupiter MOID = 2.17404 au 
 T_jup = 3.424 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO337725  

59543 (1999 JU31)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JU31 = 2000 SO245 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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