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192204 (2007 JN21)
Classification: Main-belt Asteroid          SPK-ID: 2192204
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06983358230405701 5.4762e-08  
a 3.05080748521774 3.8764e-08 au
q 2.837758669604954 1.5592e-07 au
i 2.414771631252219 5.3631e-06 deg
node 288.53132277 0.00016016 deg
peri 3.099484241004685 0.00016729 deg
M 147.6828939843311 5.0092e-05 deg
tp 2458402.048896995302
(2018-Oct-10.54889700)
0.00026685 TDB
period 1946.348621203132
5.33
3.7096e-05
1.016e-07
d
yr
n .1849617258070996 3.5252e-09 deg/d
Q 3.263856300830527 4.1471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      5868 days (16.07 yr)  
   first obs. used      2004-12-11  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53458  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:15:09  

Additional Information
 Earth MOID = 1.81958 au 
 Jupiter MOID = 1.86163 au 
 T_jup = 3.232 
[ 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 16.15   n/a MPCxxxxx  

192204 (2007 JN21)          Discovered 2007-May-12 by Hoenig, S. F., Teamo, N. at Tiki
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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