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117018 (2004 JB9)
Classification: Main-belt Asteroid          SPK-ID: 2117018
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1991784981951109 4.6153e-08  
a 2.651034616800156 1.882e-08 au
q 2.12300552316265 1.2062e-07 au
i 2.569180122686665 5.5944e-06 deg
node 351.7914935072412 0.00011615 deg
peri 278.4199358648407 0.00011722 deg
M 235.954065738292 2.1535e-05 deg
tp 2459543.752281065159
(2021-Nov-25.25228107)
9.8453e-05 TDB
period 1576.600009887051
4.32
1.6788e-05
4.596e-08
d
yr
n .228339463238866 2.4315e-09 deg/d
Q 3.179063710437662 2.2568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      8547 days (23.40 yr)  
   first obs. used      1996-09-08  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56307  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:41:41  

Additional Information
 Earth MOID = 1.10876 au 
 Jupiter MOID = 1.93892 au 
 T_jup = 3.360 
[ 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 15.7   n/a MPO412801  

117018 (2004 JB9)          Discovered 2004-May-13 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 JB9 = 1996 RV19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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