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JPL Small-Body Database Browser
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74545 (1999 JB59)
Classification: Main-belt Asteroid          SPK-ID: 2074545
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2137155060380727 3.6832e-08  
a 2.221218133058333 6.4812e-09 au
q 1.746509375730828 8.1526e-08 au
i 3.227300907550331 5.1337e-06 deg
node 176.0527791350374 6.1584e-05 deg
peri 126.4664406586241 6.2629e-05 deg
M 326.4503025038201 1.2069e-05 deg
tp 2458713.186359886824
(2019-Aug-17.68635989)
4.0662e-05 TDB
period 1209.164093472853
3.31
5.2922e-06
1.449e-08
d
yr
n .2977263399924822 1.3031e-09 deg/d
Q 2.695926890385838 7.8663e-09 au
  Orbit Determination Parameters
   # obs. used (total)      953  
   data-arc span      8571 days (23.47 yr)  
   first obs. used      1996-05-15  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:48:34  

Additional Information
 Earth MOID = .732886 au 
 Jupiter MOID = 2.54276 au 
 T_jup = 3.617 
[ 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 15.7   n/a MPO436304  

74545 (1999 JB59)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JB59 = 1996 JP11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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