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146746 (2001 XO131)
Classification: Main-belt Asteroid          SPK-ID: 2146746
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06457870607775358 5.3193e-08  
a 2.932435891911261 2.5444e-08 au
q 2.743062976355668 1.5518e-07 au
i 2.962067983438089 6.1428e-06 deg
node 73.04443638660598 0.00010584 deg
peri 48.93750053421741 0.00011667 deg
M 199.2921195451992 4.9588e-05 deg
tp 2459819.296333211347
(2022-Aug-27.79633321)
0.00025495 TDB
period 1834.176887417715
5.02
2.3872e-05
6.536e-08
d
yr
n .1962733270000113 2.5546e-09 deg/d
Q 3.121808807466854 2.7088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      6482 days (17.75 yr)  
   first obs. used      2001-11-20  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59094  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:33:43  

Additional Information
 Earth MOID = 1.76004 au 
 Jupiter MOID = 1.91807 au 
 T_jup = 3.271 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456755.5 (2014-Apr-08.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06297766263176405 5.2549e-08  
q 2.747875427998389 1.5275e-07 au
tp 2456133.613136438864
(2012-Jul-25.11313644)
0.00025543 TDB
node 73.09952933095902 0.00010558 deg
peri 45.88743392845087 0.00011725 deg
i 2.966708088170456 6.1488e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      6482 days (17.75 yr)  
   first obs. used      2001-11-20  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59094  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:33:43  

Additional Information
 Jupiter MOID = 1.91807 au 
 T_jup = 3.271 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.761448751605762E-15 -7.933698837739987E-15 -8.524967254291843E-13 -1.876262530966221E-14 -5.219177264731221E-14 2.796977988922535E-16
q -7.933698837739987E-15 2.33314928866041E-14 3.179115894237571E-12 5.518392282841312E-14 3.250275831328635E-13 -7.300097327532406E-16
tp -8.524967254291843E-13 3.179115894237571E-12 6.524597405702179E-8 6.634829421346399E-11 1.304518436549876E-8 -8.776475765776262E-13
node -1.876262530966221E-14 5.518392282841312E-14 6.634829421346399E-11 1.114686642249058E-8 -1.111853452400043E-8 -3.861200933361588E-11
peri -5.219177264731221E-14 3.250275831328635E-13 1.304518436549876E-8 -1.111853452400043E-8 1.374734293296846E-8 3.839395289951178E-11
i 2.796977988922535E-16 -7.300097327532406E-16 -8.776475765776262E-13 -3.861200933361588E-11 3.839395289951178E-11 3.780766678055507E-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 15.8   n/a MPO436736  

146746 (2001 XO131)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 XO131 = 2003 FJ17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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