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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457664.5 (2016-Oct-03.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1351452388169552 4.0199e-08  
q 2.136806499498882 9.9534e-08 au
tp 2456996.579688457624
(2014-Dec-05.07968846)
5.4408e-05 TDB
node 199.1054517372406 3.893e-05 deg
peri 160.1243719890405 4.1085e-05 deg
i 6.027017437151591 4.0351e-06 deg
  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
 Jupiter MOID = 2.65823 au 
 T_jup = 3.465 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.615926212988551E-15 -3.974282380434058E-15 -7.573341185262991E-13 -1.54446288930763E-14 -1.648446238284822E-13 1.153748792613933E-16
q -3.974282380434058E-15 9.907097603876695E-15 1.853504562884191E-12 3.751239777424436E-14 4.180592717381357E-13 -2.564869165338864E-16
tp -7.573341185262991E-13 1.853504562884191E-12 2.960235864545258E-9 1.607175512461387E-11 7.290924194098203E-10 -1.266768830846239E-12
node -1.54446288930763E-14 3.751239777424436E-14 1.607175512461387E-11 1.515540606365709E-9 -1.503324181756468E-9 -5.135018776072492E-11
peri -1.648446238284822E-13 4.180592717381357E-13 7.290924194098203E-10 -1.503324181756468E-9 1.687983732386935E-9 5.077053012987294E-11
i 1.153748792613933E-16 -2.564869165338864E-16 -1.266768830846239E-12 -5.135018776072492E-11 5.077053012987294E-11 1.628233929580164E-11

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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