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357224 (2002 JN23)
Classification: Main-belt Asteroid          SPK-ID: 2357224
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1225692457201777 4.2936e-08  
a 2.39652169358933 1.4662e-08 au
q 2.102781837254043 1.0821e-07 au
i 5.813499218530874 5.0589e-06 deg
node 190.91083639916 4.1263e-05 deg
peri 31.81306527940939 4.601e-05 deg
M 4.456461710487401 2.1332e-05 deg
tp 2459183.725169038989
(2020-Nov-30.22516904)
8.0227e-05 TDB
period 1355.097280820905
3.71
1.2436e-05
3.405e-08
d
yr
n .2656635837848596 2.438e-09 deg/d
Q 2.690261549924617 1.6459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      6587 days (18.03 yr)  
   first obs. used      2002-04-09  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:14:10  

Additional Information
 Earth MOID = 1.09609 au 
 Jupiter MOID = 2.28266 au 
 T_jup = 3.511 
[ 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 17.01   n/a E2021B25  

357224 (2002 JN23)          Discovered 2002-May-08 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2008-Jun-24 09:57 00:01 David 0.0316974040881797 0.0316936034787264 0.0317012046994563 6.08687855003336 6.08687847173283 2454641.914886180 1.2375218250794 189.871406621267 61.1118400571238 -4.03496602647996 25492.9135529306 T 15 CATAB v2.0f-lin.ifort 2020-May-21 23:14:12 2020-May-21 23:14
2018-Mar-12 14:31 < 00:01 Juno 0.0393350013758377 0.0393297192787953 0.0393402835865889 7.30658820300208 7.3065881606717 2458190.105090774 0.453104077147862 287.882203670851 111.476196925113 -26.0013705579624 29537.5670568818 T 15 CATAB v2.0f-lin.ifort 2020-May-21 23:14:12 2020-May-21 23:14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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