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192896 (1999 XW137)
Classification: Main-belt Asteroid          SPK-ID: 2192896
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159770981589384 9.6336e-08  
a 2.81436072254842 2.8625e-08 au
q 2.487959332774762 2.5757e-07 au
i 12.64677795962939 6.5749e-06 deg
node 240.6251205680012 3.0202e-05 deg
peri 115.2467496792026 4.3661e-05 deg
M 215.5187546736468 3.7307e-05 deg
tp 2459892.613059542265
(2022-Nov-09.11305954)
0.00018576 TDB
period 1724.519337249709
4.72
2.631e-05
7.203e-08
d
yr
n .20875382039736 3.1848e-09 deg/d
Q 3.140762112322079 3.1945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7462 days (20.43 yr)  
   first obs. used      1999-11-14  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56414  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:18:01  

Additional Information
 Earth MOID = 1.51492 au 
 Jupiter MOID = 2.36131 au 
 T_jup = 3.274 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457153.5 (2015-May-11.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134914334848147 9.5824e-08  
q 2.498694080436209 2.5536e-07 au
tp 2456439.074736052770
(2013-May-26.57473605)
0.00015877 TDB
node 240.762722677666 3.0227e-05 deg
peri 114.8646275495834 4.4256e-05 deg
i 12.63240620815488 6.5696e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7462 days (20.43 yr)  
   first obs. used      1999-11-14  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56414  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:18:01  

Additional Information
 Jupiter MOID = 2.36131 au 
 T_jup = 3.274 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.182332142913131E-15 -2.438745836720675E-14 5.778455521357468E-12 -1.176567300740494E-14 8.590720406733829E-13 9.610927988701377E-16
q -2.438745836720675E-14 6.520944082980236E-14 -1.430970341198432E-11 3.160440784840213E-14 -2.03064640466818E-12 -5.352203956587331E-15
tp 5.778455521357468E-12 -1.430970341198432E-11 2.520682396380265E-8 2.023385041421383E-11 5.150100827896862E-9 -1.01423238364858E-11
node -1.176567300740494E-14 3.160440784840213E-14 2.023385041421383E-11 9.1365683217393E-10 -8.862389885694701E-10 -7.934374862504884E-12
peri 8.590720406733829E-13 -2.03064640466818E-12 5.150100827896862E-9 -8.862389885694701E-10 1.958631560858574E-9 5.46120199628328E-12
i 9.610927988701377E-16 -5.352203956587331E-15 -1.01423238364858E-11 -7.934374862504884E-12 5.46120199628328E-12 4.315926979287699E-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 16.04   n/a E2021B55  

192896 (1999 XW137)          Discovered 1999-Dec-02 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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