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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925256499217397 6.7582e-08  
a 3.14992748427199 4.2418e-08 au
q 2.543485648156175 2.1319e-07 au
i 16.39703204280438 7.6292e-06 deg
node 284.9724127973218 3.6164e-05 deg
peri 162.4043678158957 4.7497e-05 deg
M 97.15490251451837 3.1836e-05 deg
tp 2458449.424021836186
(2018-Nov-26.92402184)
0.00017376 TDB
period 2041.969545585484
5.59
4.1247e-05
1.129e-07
d
yr
n .1763003766526689 3.5612e-09 deg/d
Q 3.756369320387806 5.0585e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      6763 days (18.52 yr)  
   first obs. used      2001-11-11  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:15:41  

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 00:05 Jupiter 1.73230135246994 1.73229629677438 1.73230640816795 4.14309209505477 4.02334390908036 2428969.163303742 5.4896769232888 300.969270188286 204.069335684514 45.0895136306625 1244801.97978571 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 10:15:42 2020-Nov-12 10:15
1949-Jan-05 05:10 00:04 Jupiter 1.49831319732913 1.49831244717405 1.49831394753591 4.29018584922862 4.15632768534721 2432921.715468273 3.6620371623172 645.791721112395 25.170166073297 87.5097141660013 2194616.81191615 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 10:15:42 2020-Nov-12 10:15
1959-Oct-29 21:15 00:04 Jupiter 1.87871189118992 1.87870831402111 1.87871546842591 3.90268064506869 3.78539438079679 2436871.385482300 3.56479273864773 618.930055699886 46.6325654031878 73.0357836691681 1731492.97049903 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 10:15:42 2020-Nov-12 10:15
2044-Dec-24 03:19 00:02 Jupiter 1.73743250470445 1.73743087309377 1.73743413631522 4.05602731842604 3.93399666820201 2467973.638442410 1.85675890185627 248.864895338321 84.0561679200538 88.3848832483351 1938833.41231549 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 10:15:42 2020-Nov-12 10:15
2055-Oct-17 21:57 00:02 Jupiter 1.49705555576494 1.49705458074672 1.49705653082358 4.29259964548 4.15870497912946 2471923.414891979 2.30706156676613 447.666307252012 19.459360275213 84.39312292795 2107454.9892764 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 10:15:42 2020-Nov-12 10:15
2066-Aug-10 17:52 00:04 Jupiter 1.87806096226127 1.87805733759706 1.87806458700246 3.98591804421658 3.87111411975752 2475873.244350172 3.68223615238639 654.00766783036 41.3279539528093 73.8404031508008 1815466.03030464 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 10:15:42 2020-Nov-12 10:15
2151-Oct-05 15:46 00:09 Jupiter 1.73268917175493 1.73268196865539 1.73269637486462 3.96770066853733 3.84251891079797 2506974.156821367 9.18689009386977 431.046298961592 196.08578437678 -32.5292379507925 1891474.52184894 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 10:15:42 2020-Nov-12 10:15
2162-Jul-28 17:25 00:08 Jupiter 1.49129031171826 1.49128847580761 1.49129214808049 4.28744885329329 4.15286147307116 2510923.225894446 8.07962295042468 1369.45562990216 22.9558746065245 86.347600586473 2128699.11219638 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 10:15:42 2020-Nov-12 10:15
2173-May-24 09:07 00:11 Jupiter 1.8710205231272 1.87101048957089 1.87103055734174 4.0676454603753 3.95478536356186 2514875.880162323 10.5446003381475 1850.31046318248 37.3310765673781 73.9348202589619 1901161.95556636 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 10:15:42 2020-Nov-12 10:15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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