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JPL Small-Body Database Browser
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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1209225235254118 3.3012e-08  
a 2.720692712129945 1.4555e-08 au
q 2.391699683641995 9.0358e-08 au
i 11.6585233080625 4.53e-06 deg
node 179.1091829391876 1.8733e-05 deg
peri 144.4939970803625 2.6799e-05 deg
M 79.43462002357619 1.8875e-05 deg
tp 2458238.819588238695
(2018-Apr-30.31958824)
8.6011e-05 TDB
period 1639.146107772972
4.49
1.3153e-05
3.601e-08
d
yr
n .2196265471960364 1.7624e-09 deg/d
Q 3.049685740617895 1.6315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1090  
   data-arc span      9981 days (27.33 yr)  
   first obs. used      1991-09-13  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54967  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:39:03  

Additional Information
 Earth MOID = 1.39005 au 
 Jupiter MOID = 2.36507 au 
 T_jup = 3.318 
[ 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 14.4   n/a MPO417235  

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

[ show close-approach data ]
Alternate Designations
 1999 JB9 = 2000 QY82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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