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213953 (2003 XJ16)
Classification: Main-belt Asteroid          SPK-ID: 2213953
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358056488075932 4.0012e-08  
a 2.46901671875474 1.3305e-08 au
q 2.133710301347458 9.9102e-08 au
i 6.030721246738088 4.0334e-06 deg
node 199.0824632020992 3.8918e-05 deg
peri 160.6579565634307 4.1076e-05 deg
M 198.9483389349051 1.4356e-05 deg
tp 2459834.438576973248
(2022-Sep-11.93857697)
5.8125e-05 TDB
period 1417.047711281455
3.88
1.1454e-05
3.136e-08
d
yr
n .2540493147365145 2.0535e-09 deg/d
Q 2.804323136162023 1.5111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      7865 days (21.53 yr)  
   first obs. used      1999-10-19  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52809  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:39:46  

Additional Information
 Earth MOID = 1.13011 au 
 Jupiter MOID = 2.65823 au 
 T_jup = 3.465 
[ 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 16.43   n/a E2021B55  

213953 (2003 XJ16)          Discovered 2003-Dec-14 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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