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146765 (2001 XE199)
Classification: Main-belt Asteroid          SPK-ID: 2146765
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08802438567846012 5.6975e-08  
a 3.082844563298656 3.1655e-08 au
q 2.811479064472111 1.6547e-07 au
i 12.10465025274394 5.1224e-06 deg
node 122.8515944339407 2.7649e-05 deg
peri 30.27745477833523 4.3161e-05 deg
M 115.0455609740406 3.3887e-05 deg
tp 2458368.680195963981
(2018-Sep-07.18019596)
0.00018431 TDB
period 1977.087403696443
5.41
3.0452e-05
8.337e-08
d
yr
n .1820860318703813 2.8045e-09 deg/d
Q 3.354210062125201 3.4442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      6406 days (17.54 yr)  
   first obs. used      2001-12-14  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:39:16  

Additional Information
 Earth MOID = 1.83025 au 
 Jupiter MOID = 1.69312 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457087.5 (2015-Mar-06.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08826608621353284 5.6777e-08  
q 2.806807959934382 1.6504e-07 au
tp 2456386.715386419813
(2013-Apr-04.21538642)
0.00018199 TDB
node 122.9121008982709 2.7696e-05 deg
peri 28.41566139293536 4.3269e-05 deg
i 12.09845370068838 5.1203e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      6406 days (17.54 yr)  
   first obs. used      2001-12-14  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:39:16  

Additional Information
 Jupiter MOID = 1.69312 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.223580121017316E-15 -9.248514587747693E-15 1.500418506637547E-12 -7.59465557136307E-15 1.941420968766347E-13 -3.523867192794982E-15
q -9.248514587747693E-15 2.723956740887691E-14 -4.475287216612657E-12 2.648061992757296E-14 -5.513358767160089E-13 1.211929413134725E-14
tp 1.500418506637547E-12 -4.475287216612657E-12 3.311976028303619E-8 -5.048674960170324E-12 6.092585370931137E-9 -2.349388958800335E-11
node -7.59465557136307E-15 2.648061992757296E-14 -5.048674960170324E-12 7.670408653732894E-10 -7.49938978719523E-10 -2.36458682613281E-12
peri 1.941420968766347E-13 -5.513358767160089E-13 6.092585370931137E-9 -7.49938978719523E-10 1.872243157117125E-9 -1.777463239492669E-12
i -3.523867192794982E-15 1.211929413134725E-14 -2.349388958800335E-11 -2.36458682613281E-12 -1.777463239492669E-12 2.621702779760549E-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 14.9   n/a MPO436736  

146765 (2001 XE199)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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