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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2134763587654301 3.6861e-08  
a 2.220805240787086 6.4481e-09 au
q 1.746715824456674 8.1525e-08 au
i 3.227378545634716 5.1334e-06 deg
node 176.0413496632584 6.1513e-05 deg
peri 126.4910957682318 6.2557e-05 deg
M 85.55721412424482 1.2186e-05 deg
tp 2458713.211480397925
(2019-Aug-17.71148040)
4.0574e-05 TDB
period 1208.826960010134
3.31
5.2648e-06
1.441e-08
d
yr
n .2978093738056454 1.297e-09 deg/d
Q 2.694894657117497 7.8247e-09 au
  Orbit Determination Parameters
   # obs. used (total)      957  
   data-arc span      8605 days (23.56 yr)  
   first obs. used      1996-05-15  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59611  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:26:34  

Additional Information
 Earth MOID = .733863 au 
 Jupiter MOID = 2.54566 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 15.8   n/a MPO502608  

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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