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173955 (2001 XU11)
Classification: Main-belt Asteroid          SPK-ID: 2173955
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925256642215437 6.9888e-08  
a 3.149927479525739 4.2829e-08 au
q 2.543485599280353 2.217e-07 au
i 16.39703260146144 7.9988e-06 deg
node 284.9724131969293 3.6216e-05 deg
peri 162.4043710746274 4.7705e-05 deg
M 97.15490135929608 3.1867e-05 deg
tp 2458449.424029634292
(2018-Nov-26.92402963)
0.00017402 TDB
period 2041.969540970282
5.59
4.1647e-05
1.14e-07
d
yr
n .176300377051138 3.5957e-09 deg/d
Q 3.756369359771125 5.1075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      6739 days (18.45 yr)  
   first obs. used      2001-11-11  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55906  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:33:13  

Additional Information
 Earth MOID = 1.56468 au 
 Jupiter MOID = 1.46931 au 
 T_jup = 3.117 
[ 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 15.3   n/a MPO469866  

173955 (2001 XU11)          Discovered 2001-Dec-09 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
1938-Mar-11 15:55 00:06 Jupiter 1.7323014357592 1.7322963703326 1.73230650118806 4.14309197160868 4.02334378780328 2428969.163404720 5.51750921538652 305.953896226246 213.924827422387 49.0339460261424 1226941.33403643 T 12 CATAB v2.0f-lin.ifort 2020-May-21 03:33:15 2020-May-21 03:33
1949-Jan-05 05:10 00:04 Jupiter 1.49831312274039 1.49831232361815 1.49831392191689 4.29018588290973 4.15632771334204 2432921.715536156 3.6828921926504 656.163440852864 26.5454387425603 87.381288067316 2079962.50724033 T 12 CATAB v2.0f-lin.ifort 2020-May-21 03:33:15 2020-May-21 03:33
1959-Oct-29 21:15 00:04 Jupiter 1.87871179905599 1.87870819646232 1.87871540171747 3.90268090710658 3.78539464511268 2436871.385567264 3.58626254102674 621.860957923161 46.7966217089244 73.0066424810897 1661673.96996468 T 12 CATAB v2.0f-lin.ifort 2020-May-21 03:33:15 2020-May-21 03:33
2044-Dec-24 03:19 00:02 Jupiter 1.73743239136026 1.73743070674849 1.73743407597223 4.05602750549902 3.93399685299357 2467973.638364962 1.8900952631101 259.861105798328 86.1689480091448 87.3976996620615 1849826.19083672 T 12 CATAB v2.0f-lin.ifort 2020-May-21 03:33:15 2020-May-21 03:33
2055-Oct-17 21:57 00:02 Jupiter 1.49705551965187 1.49705453569483 1.49705650364805 4.29259966094665 4.15870499181218 2471923.414819929 2.33130480659979 449.210082984925 21.1061955932757 84.4483643866599 2007928.42849228 T 12 CATAB v2.0f-lin.ifort 2020-May-21 03:33:15 2020-May-21 03:33
2066-Aug-10 17:52 00:04 Jupiter 1.87806109442216 1.87805743929952 1.87806474962316 3.98591789708002 3.87111397645605 2475873.244255729 3.71725661671282 659.744624048077 41.4981089471999 73.844676673744 1745159.43261468 T 12 CATAB v2.0f-lin.ifort 2020-May-21 03:33:15 2020-May-21 03:33
2151-Oct-05 15:45 00:09 Jupiter 1.73268886185309 1.73268156406339 1.73269615965244 3.96770116751516 3.8425194032773 2506974.156586956 9.27313181623364 432.987157251208 209.513745962896 -32.1401496288151 1784966.45430789 T 12 CATAB v2.0f-lin.ifort 2020-May-21 03:33:15 2020-May-21 03:33
2162-Jul-28 17:25 00:08 Jupiter 1.49129030833243 1.49128847239771 1.49129214471848 4.28744889717515 4.15286151806464 2510923.225697472 8.14722655894369 1377.15983625766 24.6535726190372 86.3861780942519 2022975.7312905 T 12 CATAB v2.0f-lin.ifort 2020-May-21 03:33:15 2020-May-21 03:33
2173-May-24 09:07 00:11 Jupiter 1.87102086666334 1.87101075323901 1.87103098075644 4.06764520767614 3.95478512466907 2514875.879929557 10.6308194694169 1865.01533622371 37.5635660312166 73.9332775084243 1827836.88775407 T 12 CATAB v2.0f-lin.ifort 2020-May-21 03:33:15 2020-May-21 03:33
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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