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JPL Small-Body Database Browser
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215911 (2005 JX21)
Classification: Main-belt Asteroid          SPK-ID: 2215911
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09468425469906293 4.1315e-08  
a 2.404176993618895 2.0305e-08 au
q 2.176539286813457 9.9449e-08 au
i 7.579547450274143 6.5968e-06 deg
node 140.8583403668597 3.7786e-05 deg
peri 121.6287242107528 5.2268e-05 deg
M 239.5127138240929 3.7228e-05 deg
tp 2459056.208158773486
(2020-Jul-25.70815877)
0.00014239 TDB
period 1361.595421104769
3.73
1.7249e-05
4.723e-08
d
yr
n .2643957187428729 3.3495e-09 deg/d
Q 2.631814700424334 2.2227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      8042 days (22.02 yr)  
   first obs. used      1997-02-01  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69125  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:18:59  

Additional Information
 Earth MOID = 1.17145 au 
 Jupiter MOID = 2.4457 au 
 T_jup = 3.506 
[ 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 16.8   n/a MPO427269  

215911 (2005 JX21)          Discovered 2005-May-06 by CSS at Catalina
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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