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 ]  
193457 (2000 XJ2)
Classification: Main-belt Asteroid          SPK-ID: 2193457
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09212896768718326 5.8953e-08  
a 2.564754661079538 2.0463e-08 au
q 2.328466461783389 1.5281e-07 au
i 1.049008668123781 5.5007e-06 deg
node 122.3395888882225 0.00046951 deg
peri 159.7313134343464 0.00047256 deg
M 59.11186411637772 5.7432e-05 deg
tp 2458754.157512241268
(2019-Sep-27.65751224)
0.00023895 TDB
period 1500.26220486883
4.11
1.7955e-05
4.916e-08
d
yr
n .2399580545531874 2.8718e-09 deg/d
Q 2.801042860375687 2.2348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      8618 days (23.59 yr)  
   first obs. used      1995-09-26  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47302  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:12:29  

Additional Information
 Earth MOID = 1.31203 au 
 Jupiter MOID = 2.29741 au 
 T_jup = 3.427 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456961.5 (2014-Oct-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09165282275107912 5.8683e-08  
q 2.329803002194554 1.5199e-07 au
tp 2457256.669286936468
(2015-Aug-22.16928694)
0.0002395 TDB
node 122.3415298153514 0.00046985 deg
peri 160.5964009706375 0.00047295 deg
i 1.048682537617368 5.4985e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      8618 days (23.59 yr)  
   first obs. used      1995-09-26  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47302  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:12:29  

Additional Information
 Jupiter MOID = 2.29741 au 
 T_jup = 3.427 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.443744313827851E-15 -8.853059040106053E-15 -4.683587756418216E-13 -2.169006801210376E-14 -2.324897393796287E-13 6.447810992983004E-16
q -8.853059040106053E-15 2.31018499802336E-14 1.322229705676677E-12 6.066208035475037E-14 6.060523295203044E-13 -1.60581911376573E-15
tp -4.683587756418216E-13 1.322229705676677E-12 5.736085165435134E-8 -1.621076651615972E-10 1.307525056079645E-8 -9.222032536934917E-12
node -2.169006801210376E-14 6.066208035475037E-14 -1.621076651615972E-10 2.207547314592644E-7 -2.20752429452029E-7 -2.526130916079272E-10
peri -2.324897393796287E-13 6.060523295203044E-13 1.307525056079645E-8 -2.20752429452029E-7 2.236856624606118E-7 2.504728791054111E-10
i 6.447810992983004E-16 -1.60581911376573E-15 -9.222032536934917E-12 -2.526130916079272E-10 2.504728791054111E-10 3.023363890512613E-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 17.0   n/a MPO436956  

193457 (2000 XJ2)          Discovered 2000-Dec-01 by Bohyunsan at Bohyunsan
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 2000 XJ2 = 1995 TF9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-30 22:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin