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173986 (2001 XL158)
Classification: Main-belt Asteroid          SPK-ID: 2173986
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182265151603132 5.7017e-08  
a 3.166438830613942 2.8667e-08 au
q 2.589307377110048 1.9006e-07 au
i 2.431090531846416 5.9828e-06 deg
node 118.2273137149106 0.00014356 deg
peri 262.6685862933209 0.00014479 deg
M 183.2690352835425 1.9277e-05 deg
tp 2460210.834605115568
(2023-Sep-23.33460512)
0.00011896 TDB
period 2058.046016017329
5.63
2.7948e-05
7.652e-08
d
yr
n .1749232024931403 2.3754e-09 deg/d
Q 3.743570284117836 3.3891e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      8893 days (24.35 yr)  
   first obs. used      1995-12-16  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63963  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:59:23  

Additional Information
 Earth MOID = 1.59219 au 
 Jupiter MOID = 1.71877 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456955.5 (2014-Oct-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .181040695661844 5.6678e-08  
q 2.594225671701174 1.886e-07 au
tp 2456095.677219882483
(2012-Jun-17.17721988)
9.2871e-05 TDB
node 118.2307155212594 0.00014353 deg
peri 263.1587798775291 0.0001448 deg
i 2.430840007753765 5.9813e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      8893 days (24.35 yr)  
   first obs. used      1995-12-16  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63963  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:59:23  

Additional Information
 Jupiter MOID = 1.71877 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.212377917347712E-15 -1.061777909606325E-14 -2.050809584428763E-12 -3.477049588219182E-15 -4.747918357543577E-13 -2.375715194343344E-15
q -1.061777909606325E-14 3.556900220163548E-14 7.020181700417741E-12 1.190875220499405E-14 1.653779340588888E-12 8.121411808161922E-15
tp -2.050809584428763E-12 7.020181700417741E-12 8.624989588099516E-9 -4.156323330536092E-11 1.816387835348418E-9 6.928700382156584E-13
node -3.477049588219182E-15 1.190875220499405E-14 -4.156323330536092E-11 2.060196686752026E-8 -2.05907649292431E-8 2.734974922611046E-10
peri -4.747918357543577E-13 1.653779340588888E-12 1.816387835348418E-9 -2.05907649292431E-8 2.096600342249893E-8 -2.730364803905363E-10
i -2.375715194343344E-15 8.121411808161922E-15 6.928700382156584E-13 2.734974922611046E-10 -2.730364803905363E-10 3.577540298565397E-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 15.78   n/a E2021B55  

173986 (2001 XL158)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 XL158 = 1995 YV5 = 2006 SE322 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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