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192870 (1999 XE19)
Classification: Main-belt Asteroid          SPK-ID: 2192870
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2162327538613001 7.6733e-08  
a 2.721084601127125 1.5884e-08 au
q 2.13269698433583 2.1171e-07 au
i 10.49902397658918 7.8161e-06 deg
node 41.79121319577223 2.6474e-05 deg
peri 344.6740778043199 2.7971e-05 deg
M 293.5058235045466 1.0075e-05 deg
tp 2459699.325612882557
(2022-Apr-29.82561288)
4.7331e-05 TDB
period 1639.500274812408
4.49
1.4355e-05
3.93e-08
d
yr
n .2195791031759304 1.9226e-09 deg/d
Q 3.309472217918421 1.9318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53708  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:53  

Additional Information
 Earth MOID = 1.13895 au 
 Jupiter MOID = 2.14388 au 
 T_jup = 3.301 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457758.5 (2017-Jan-05.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2163224247925812 7.6485e-08  
q 2.131280913803101 2.1043e-07 au
tp 2458063.066578541572
(2017-Nov-05.56657854)
4.1501e-05 TDB
node 41.82527494240831 2.6464e-05 deg
peri 345.0854598798851 2.7972e-05 deg
i 10.50308257092434 7.8177e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53708  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:53  

Additional Information
 Jupiter MOID = 2.14388 au 
 T_jup = 3.301 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.849981081535227E-15 -1.606732482669853E-14 -9.599929892674317E-13 -4.485654691683673E-14 -2.091973038089645E-13 -1.251340365622678E-14
q -1.606732482669853E-14 4.428162856972641E-14 2.751218831193847E-12 1.210129304326852E-13 5.91495813140492E-13 3.593722427417529E-14
tp -9.599929892674317E-13 2.751218831193847E-12 1.722295988933669E-9 1.295268149612669E-11 4.000670151755277E-10 -8.802487934429935E-13
node -4.485654691683673E-14 1.210129304326852E-13 1.295268149612669E-11 7.003209935908717E-10 -6.846459012857579E-10 -1.050741073343227E-10
peri -2.091973038089645E-13 5.91495813140492E-13 4.000670151755277E-10 -6.846459012857579E-10 7.824527104512678E-10 1.032077444711568E-10
i -1.251340365622678E-14 3.593722427417529E-14 -8.802487934429935E-13 -1.050741073343227E-10 1.032077444711568E-10 6.11160316809987E-11

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 15.46   n/a E2021B55  

192870 (1999 XE19)          Discovered 1999-Dec-03 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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