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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819968250476139 5.6999e-08  
a 3.167185831423941 2.8695e-08 au
q 2.590768065768996 1.9006e-07 au
i 2.431065173706779 5.9826e-06 deg
node 118.2263914068132 0.00014353 deg
peri 262.6916067299205 0.00014477 deg
M 148.266822017081 1.9028e-05 deg
tp 2458152.589088962363
(2018-Feb-03.08908896)		 0.0001025 TDB
period 2058.774335490806
5.64		 2.7979e-05
7.66e-08		 d
yr
n .1748613210268026 2.3764e-09 deg/d
Q 3.743603597078885 3.3917e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63954  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:34:20  

Additional Information
 Earth MOID = 1.59498 au 
 Jupiter MOID = 1.71755 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456955.5 (2014-Oct-25.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1810406936278658 5.6678e-08  
q 2.594225679475984 1.886e-07 au
tp 2456095.677213461246
(2012-Jun-17.17721346)		 9.2871e-05 TDB
node 118.2307161171568 0.00014353 deg
peri 263.1587780651739 0.0001448 deg
i 2.430839997879124 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63954  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:34:20  

Additional Information
 Jupiter MOID = 1.71755 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.212377977693254E-15 -1.061777931866969E-14 -2.050808996236906E-12 -3.476904168385014E-15 -4.747919176118646E-13 -2.375717112225551E-15
q -1.061777931866969E-14 3.556900353527922E-14 7.020179371329302E-12 1.190801560489557E-14 1.65377989765051E-12 8.121404600049194E-15
tp -2.050808996236906E-12 7.020179371329302E-12 8.624989166912623E-9 -4.156309391058032E-11 1.816387664753421E-9 6.928731515543665E-13
node -3.476904168385014E-15 1.190801560489557E-14 -4.156309391058032E-11 2.06019660615625E-8 -2.059076407459168E-8 2.734974894624185E-10
peri -4.747919176118646E-13 1.65377989765051E-12 1.816387664753421E-9 -2.059076407459168E-8 2.096600255399615E-8 -2.730364750069831E-10
i -2.375717112225551E-15 8.121404600049194E-15 6.928731515543665E-13 2.734974894624185E-10 -2.730364750069831E-10 3.577540426135194E-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 15.7   n/a MPO433119  

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

[ hide close-approach data ]
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 1.94891693032357 1.94891562861399 1.94891823203238 2.79473767078582 2.63464130804454 2432558.815735207 3.50056251080855 69.5377814700545 31.4473302911324 -83.7492560792288 939090.484094441 T 16 CATAB v2.0f-lin.ifort 2020-May-21 03:34:25 2020-May-21 03:34
1958-Nov-15 06:36 00:03 Jupiter 1.81141678730466 1.81141606739251 1.81141750721696 2.03967969565455 1.79585322775939 2436522.774985109 2.80582382858885 104.228629737548 12.3738417205291 89.0426679824371 1782068.79358793 T 16 CATAB v2.0f-lin.ifort 2020-May-21 03:34:25 2020-May-21 03:34
1969-Oct-02 17:59 00:02 Jupiter 1.76091032804782 1.76090976141401 1.76091089468134 1.80675420540998 1.51734398345757 2440497.249404454 2.12377855988856 140.42089382137 30.2931813644952 -80.6644534294841 1869700.68937952 T 16 CATAB v2.0f-lin.ifort 2020-May-21 03:34:25 2020-May-21 03:34
1980-Aug-20 16:46 00:02 Jupiter 1.82037330077647 1.82037248500935 1.82037411654347 2.0833586216089 1.84655897525953 2444472.198279529 1.54361220357287 101.998609277035 10.4771521950099 -83.2062912068841 1667065.97298229 T 16 CATAB v2.0f-lin.ifort 2020-May-21 03:34:25 2020-May-21 03:34
1991-Jun-28 14:38 00:01 Jupiter 1.96308553455205 1.96308475274649 1.96308631635738 2.85615757232108 2.70086761794501 2448436.109584995 1.00766464598433 58.9430512221752 19.7310541567196 83.0358443004535 1690396.60377777 T 16 CATAB v2.0f-lin.ifort 2020-May-21 03:34:25 2020-May-21 03:34
2078-Apr-02 18:34 00:03 Jupiter 1.86508501053265 1.86508433256864 1.86508568849634 2.37480352576179 2.17517770544588 2480126.273399139 2.5065977000731 75.6149862743238 9.09052326941023 -88.9534938148695 1479310.01013212 T 16 CATAB v2.0f-lin.ifort 2020-May-21 03:34:25 2020-May-21 03:34
2089-Feb-11 16:32 00:03 Jupiter 1.7677710788283 1.76777051205772 1.76777164559869 1.85466784518549 1.57527726733181 2484094.189131660 3.0375158594869 125.699956959649 33.6297922731992 81.9479497352194 1714720.2450022 T 16 CATAB v2.0f-lin.ifort 2020-May-21 03:34:25 2020-May-21 03:34
2100-Jan-01 14:49 00:04 Jupiter 1.77701950330883 1.77701883938245 1.77702016723633 1.86607806375486 1.59026425361127 2488070.117598400 3.6557723313883 203.057770651635 26.8345062552643 -87.5548273600776 1763471.34247067 T 16 CATAB v2.0f-lin.ifort 2020-May-21 03:34:25 2020-May-21 03:34
2110-Nov-15 08:12 00:04 Jupiter 1.88835778889401 1.88835662365384 1.88835895413868 2.38733037691454 2.19140291156982 2492039.841843416 4.37050179992497 203.440416177359 9.72570866808075 87.4678552270047 1801503.94770314 T 16 CATAB v2.0f-lin.ifort 2020-May-21 03:34:25 2020-May-21 03:34
2197-Aug-22 05:21 00:08 Jupiter 1.9319021287592 1.93189997663185 1.93190428088481 2.86442071481653 2.70703282359676 2523731.722815901 8.08454141819026 101.024197444208 32.151995910652 71.4535685368536 649516.567336508 T 16 CATAB v2.0f-lin.ifort 2020-May-21 03:34:25 2020-May-21 03:34

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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