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59501 (1999 JB9)
Classification: Main-belt Asteroid          SPK-ID: 2059501
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214011738850757 3.1447e-08  
a 2.719775367336129 1.3048e-08 au
q 2.38959144503781 8.6997e-08 au
i 11.66196851521836 4.3683e-06 deg
node 179.088895953389 1.631e-05 deg
peri 144.7163587789754 2.3635e-05 deg
M 254.028244602337 1.7722e-05 deg
tp 2459878.764849157845
(2022-Oct-26.26484916)
8.1419e-05 TDB
period 1638.317163335892
4.49
1.1789e-05
3.228e-08
d
yr
n .2197376723240687 1.5812e-09 deg/d
Q 3.049959289634449 1.4632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1367  
   data-arc span      10865 days (29.75 yr)  
   first obs. used      1991-09-13  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51507  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:13:34  

Additional Information
 Earth MOID = 1.38804 au 
 Jupiter MOID = 2.36749 au 
 T_jup = 3.319 
[ 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 14.48   n/a E2021B10  

59501 (1999 JB9)          Discovered 1999-May-07 by CSS at Catalina
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JB9 = 2000 QY82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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