Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
39329 (2001 XW154)
Classification: Main-belt Asteroid          SPK-ID: 2039329
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1442006789259465 4.7397e-08  
a 3.047792018794904 2.1702e-08 au
q 2.608298340459598 1.3766e-07 au
i .5587944443513467 4.7167e-06 deg
node 271.0686021353853 0.00053179 deg
peri 252.5309304191712 0.00053211 deg
M 113.0856245650442 1.7847e-05 deg
tp 2458390.006114972290
(2018-Sep-28.50611497)
9.5383e-05 TDB
period 1943.46363169763
5.32
2.0758e-05
5.683e-08
d
yr
n .1852362936606832 1.9785e-09 deg/d
Q 3.48728569713021 2.4831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      8724 days (23.89 yr)  
   first obs. used      1995-09-29  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:10:35  

Additional Information
 Earth MOID = 1.61619 au 
 Jupiter MOID = 1.49413 au 
 T_jup = 3.222 
[ 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 15.2   n/a MPO263674  

39329 (2001 XW154)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ 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
1915-Nov-20 23:41 00:03 Jupiter 1.50989503366153 1.50989410104064 1.50989596631607 1.18364197364466 0.528248239610632 2420822.486923601 3.08611587266121 2418.07556710452 441.675090276784 16.5148835090897 1349664.3452602 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 05:10:50 2020-Feb-23 05:10
1963-Aug-15 15:11 00:02 Jupiter 1.54450508497384 1.54450424792402 1.5445059220227 1.32730133289202 0.815419035799008 2438257.132499741 1.57726774061026 578.474361018198 221.822447691064 18.33146171017 1082628.46728231 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 05:10:50 2020-Feb-23 05:10
1972-Oct-12 08:09 00:01 Jupiter 1.99667178673438 1.99667088053866 1.99667269292987 2.87607083203523 2.72458235877727 2441602.839868487 1.23080727987845 51.3766748849015 29.0570394733477 82.5547280332233 1679572.83908562 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 05:10:50 2020-Feb-23 05:10
2011-Jun-04 03:44 < 00:01 Jupiter 1.60834626111874 1.60834571505005 1.60834680718661 1.59728367001994 1.22394090591437 2455716.655554394 0.29198958171071 127.71487813531 86.6165735040976 56.5259038913265 1560116.94569256 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 05:10:50 2020-Feb-23 05:10
2020-Jul-30 15:14 < 00:01 Jupiter 1.88145902769939 1.88145842111265 1.88145963428592 2.43857892955043 2.24639225993175 2459061.134504617 0.343744721016091 55.517913877609 11.5049714951657 -89.9351670169282 2034072.77400105 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 05:10:50 2020-Feb-23 05:10
2059-Apr-13 09:52 00:02 Jupiter 1.71145537555131 1.71145447007924 1.71145628102261 2.03683146233992 1.77731686415086 2473196.910881306 1.51586582986887 73.3493937508399 20.8509483863857 -88.6214466479949 1260482.23166444 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 05:10:50 2020-Feb-23 05:10
2068-Jun-07 13:59 00:02 Jupiter 1.75506511771953 1.7550638002356 1.75506643520216 1.9773084154915 1.71595937008073 2476540.082530582 1.72513636706441 84.2591057548218 22.4717287457882 78.9143433892769 1191925.23193332 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 05:10:50 2020-Feb-23 05:10
2107-Feb-25 01:01 00:03 Jupiter 1.83778418527942 1.83778244338479 1.83778592717343 2.59434778355963 2.4101563674263 2490680.542395779 2.75192558609137 87.6195016657534 20.1747644099341 66.7511911219891 1226521.72934252 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 05:10:50 2020-Feb-23 05:10
2116-Apr-20 12:21 00:03 Jupiter 1.64354894225466 1.64354716715168 1.6435507173652 1.58509096229799 1.21728778288618 2494023.014249083 2.98566541590786 369.700739418378 63.2628623712885 52.7955010644046 2036923.97642061 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 05:10:50 2020-Feb-23 05:10
2154-Dec-22 19:40 00:04 Jupiter 1.96138301616595 1.96138061949692 1.96138541283442 3.15211606130626 3.01199874140597 2508148.319422487 3.58434907136818 112.74008617432 30.7481041063517 43.0799123656749 1199529.45820442 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 05:10:50 2020-Feb-23 05:10
2164-Feb-15 19:40 00:04 Jupiter 1.56085103117672 1.56084930178631 1.56085276067174 1.30994362880684 0.794114660330995 2511490.319390572 3.90988013265918 1359.34614941303 174.951551317161 43.0298923698773 2344738.6043229 T 15 CATAB v2.0f-lin.ifort 2020-Feb-23 05:10:50 2020-Feb-23 05:10

Alternate Designations
 2001 XW154 = 1997 AV11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-25 03:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin