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JPL Small-Body Database Browser
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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819968214637966 5.7466e-08  
a 3.167185834996611 2.9357e-08 au
q 2.590768080042067 1.9215e-07 au
i 2.431063848632474 6.2161e-06 deg
node 118.2264162483885 0.00014575 deg
peri 262.6915774542542 0.00014718 deg
M 148.2668245755257 1.949e-05 deg
tp 2458152.589072896385
(2018-Feb-03.08907290)
0.0001059 TDB
period 2058.774338974335
5.64
2.8625e-05
7.837e-08
d
yr
n .1748613207309302 2.4312e-09 deg/d
Q 3.743603589951155 3.47e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      8815 days (24.13 yr)  
   first obs. used      1995-12-16  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62877  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:14:33  

Additional Information
 Earth MOID = 1.59498 au 
 Jupiter MOID = 1.71755 au 
 T_jup = 3.176 
[ show covariance matrix ]

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 15.7   n/a MPO433119  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1948-Jan-08 07:35 00:04 Jupiter 1.94891695067513 1.94891564448059 1.9489182568689 2.79473772001361 2.6346413619863 2432558.815670356 3.53275479151148 70.7786842572654 31.740287802589 -84.1751519351719 937274.102629523 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 17:14:50 2020-Feb-24 17:15
1958-Nov-15 06:36 00:03 Jupiter 1.81141680608869 1.81141607506818 1.81141753710919 2.03967978693424 1.79585333413239 2436522.774932882 2.83086249179028 108.228895932109 12.5092628436019 89.2913999139058 1716594.9312188 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 17:14:50 2020-Feb-24 17:15
1969-Oct-02 17:59 00:02 Jupiter 1.76091033173435 1.76090976144452 1.76091090202388 1.80675427245752 1.51734406395708 2440497.249366434 2.14200611777557 143.360607394581 30.5646731801443 -80.7576610234503 1853626.11476375 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 17:14:50 2020-Feb-24 17:15
1980-Aug-20 16:45 00:02 Jupiter 1.82037328056644 1.82037246143459 1.82037409969817 2.08335857553489 1.84655892047952 2444472.198257662 1.5534993967588 103.731256580469 10.7904604023455 -83.3971211629196 1636913.9136534 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 17:14:50 2020-Feb-24 17:15
1991-Jun-28 14:38 00:01 Jupiter 1.96308549341183 1.96308468620439 1.96308630061903 2.85615743360025 2.70086746790028 2448436.109569656 1.01031158019576 60.8976778157456 20.8938930837051 83.4084990292535 1640502.97405817 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 17:14:50 2020-Feb-24 17:15
2078-Apr-02 18:34 00:03 Jupiter 1.86508507619486 1.86508431239341 1.8650858399959 2.37480381229745 2.17517802562872 2480126.273458326 2.55357050646825 77.7109518944791 9.55595192629013 -89.0142294467677 1345860.18110681 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 17:14:50 2020-Feb-24 17:15
2089-Feb-11 16:32 00:03 Jupiter 1.7677711079558 1.76777051141809 1.76777170449331 1.85466800716939 1.57527746305685 2484094.189203611 3.08819542628381 130.708042951009 34.808796442001 82.035529615636 1649604.12906668 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 17:14:50 2020-Feb-24 17:15
2100-Jan-01 14:49 00:04 Jupiter 1.77701947629155 1.77701880415019 1.77702014843413 1.86607799515622 1.59026416855791 2488070.117690658 3.7140595071167 208.654534951786 26.8403582936544 -87.5560829213449 1759321.6935673 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 17:14:50 2020-Feb-24 17:15
2110-Nov-15 08:12 00:04 Jupiter 1.88835771097235 1.88835648441868 1.88835893753063 2.38733001921844 2.19140251344685 2492039.841950207 4.44102667068532 208.309889074316 10.398033010617 87.2984698489288 1729092.83362135 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 17:14:50 2020-Feb-24 17:15
2197-Aug-22 05:21 00:08 Jupiter 1.93190225077617 1.93190000501665 1.93190449653393 2.86442129265061 2.70703344525575 2523731.722982796 8.20494456462478 102.571607855939 33.8019580155902 70.3736693988677 630265.990164316 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 17:14:50 2020-Feb-24 17:15

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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