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 ]  
173952 (2001 XJ7)
Classification: Main-belt Asteroid          SPK-ID: 2173952
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08155410742211959 4.4828e-08  
a 3.111595669875314 2.8589e-08 au
q 2.8578322623601 1.3908e-07 au
i 9.34042598369451 5.1568e-06 deg
node 250.1330017901701 3.2871e-05 deg
peri 186.6842075847853 4.7609e-05 deg
M 134.2987548806185 3.4978e-05 deg
tp 2458252.601520992694
(2018-May-14.10152099)
0.00019164 TDB
period 2004.809744378995
5.49
2.763e-05
7.565e-08
d
yr
n .179568161522236 2.4748e-09 deg/d
Q 3.365359077390527 3.092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      6741 days (18.46 yr)  
   first obs. used      2001-11-09  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5448  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:33:13  

Additional Information
 Earth MOID = 1.87322 au 
 Jupiter MOID = 1.89566 au 
 T_jup = 3.193 
[ 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 15.1   n/a MPO433119  

173952 (2001 XJ7)          Discovered 2001-Dec-07 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
1961-Mar-16 17:20 00:02 Jupiter 1.91395971984859 1.91395917868356 1.91396026101372 3.47507869251132 3.34530600894134 2437375.222284810 2.35611490985871 92.5549264668769 26.8659890023513 -87.6875400828838 3127031.79920246 T 17 CATAB v2.0f-lin.ifort 2020-May-21 03:33:16 2020-May-21 03:33
2033-Jan-09 05:31 < 00:01 Jupiter 1.94385688616856 1.94385633725419 1.94385743508294 3.14922169260745 3.00767531002465 2463606.729818154 0.839624737520406 98.0538612002909 24.4071921180334 -89.2303458974885 3052915.77599004 T 17 CATAB v2.0f-lin.ifort 2020-May-21 03:33:16 2020-May-21 03:33
2043-Mar-20 09:18 00:01 Jupiter 1.96648790938917 1.96648733575427 1.96648848302463 3.89299721177718 3.7807367219086 2467328.887791203 1.1630315964618 103.540489742611 20.6014189193912 81.2476912963602 2977401.63639084 T 17 CATAB v2.0f-lin.ifort 2020-May-21 03:33:16 2020-May-21 03:33
2104-Nov-15 10:04 00:04 Jupiter 1.98573448184496 1.9857338310237 1.98573513266848 3.0774755020115 2.93560009865441 2489848.919264501 4.17493230495218 262.641437097294 24.2384334403835 88.4539241376216 2979055.18677103 T 17 CATAB v2.0f-lin.ifort 2020-May-21 03:33:16 2020-May-21 03:33
2114-Dec-29 16:40 00:04 Jupiter 1.92783416332064 1.92783354372001 1.92783478292368 3.63881997695929 3.51600358060889 2493545.194268582 4.20351465258266 188.752723369449 20.6741094659196 86.4479002272093 2350599.74125134 T 17 CATAB v2.0f-lin.ifort 2020-May-21 03:33:16 2020-May-21 03:33
2186-Oct-18 04:50 00:08 Jupiter 1.92315465996285 1.92315413335075 1.92315518657496 3.2608888066084 3.122903776952 2519770.701473965 7.59075531887916 132.534955030573 31.9417683812654 80.1386336753607 1673923.98679921 T 17 CATAB v2.0f-lin.ifort 2020-May-21 03:33:16 2020-May-21 03:33
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-06 12:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin