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
JPL Small-Body Database Browser
Search: [ help ]  
101498 (1998 XC7)
Classification: Main-belt Asteroid          SPK-ID: 2101498
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01142471580773772 4.8621e-08  
a 3.049089576131973 2.7803e-08 au
q 3.01425459425233 1.509e-07 au
i 2.810243415754679 5.9285e-06 deg
node 208.6612294600301 9.5497e-05 deg
peri 294.9499484534634 0.00029728 deg
M 290.7285917069451 0.0002793 deg
tp 2459374.701236251964
(2021-Jun-09.20123625)
0.0015087 TDB
period 1944.704869876496
5.32
2.6599e-05
7.282e-08
d
yr
n .1851180637105428 2.532e-09 deg/d
Q 3.083924558011616 2.8121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      9980 days (27.32 yr)  
   first obs. used      1992-09-29  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56206  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:21:11  

Additional Information
 Earth MOID = 2.02488 au 
 Jupiter MOID = 1.88804 au 
 T_jup = 3.236 
[ 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 15.5   n/a MPO453468  

101498 (1998 XC7)          Discovered 1998-Dec-08 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1939-Apr-14 22:50 00:03 Jupiter 1.92919895006909 1.92919835774707 1.92919954239209 3.41744681551669 3.28646234375205 2429368.451510013 3.17643378437316 166.206986226918 19.54840021573 -85.4606928462244 2610736.48578165 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 01:21:25 2020-Feb-24 01:21
1987-Sep-01 13:18 00:01 Jupiter 1.91145963670337 1.91145905312735 1.91146022027929 3.48357847081892 3.35396208617008 2447040.053828138 1.15624585226344 70.7782269977491 21.6169178607247 85.9628104377907 2433524.68957395 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 01:21:25 2020-Feb-24 01:21
2036-Jan-16 20:58 < 00:01 Jupiter 1.96551811787136 1.96551757961631 1.96551865612642 3.6874443390839 3.56866411675837 2464709.373881545 0.881608945529316 52.267079532639 21.2532472623142 85.8403597122483 2733294.72034259 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 01:21:25 2020-Feb-24 01:21
2045-Aug-01 18:55 00:01 Jupiter 1.96955348575285 1.96955292481474 1.96955404669108 3.49617120341807 3.37091928061239 2468194.288274188 1.30391853664543 74.3915234345702 18.6777798848035 -79.9385327845877 2894573.22459299 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 01:21:25 2020-Feb-24 01:21
2093-Dec-20 00:39 00:03 Jupiter 1.91166760315797 1.911667006084 1.91166820023259 3.43629315867981 3.30483733331034 2485866.527113853 3.30961921598394 178.125512687841 20.8963278584396 -86.5013424974888 2478869.53701201 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 01:21:25 2020-Feb-24 01:21
2142-May-08 15:38 00:05 Jupiter 1.92497531284831 1.92497454376715 1.92497608193506 3.55789941152457 3.43199847661368 2503537.151257692 5.28005544185213 249.601569816395 21.9624132626819 84.9573915856659 2492623.77992265 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 01:21:25 2020-Feb-24 01:21
2200-Apr-10 20:26 00:08 Jupiter 1.92839653345013 1.92839540534785 1.92839766157676 3.44119590427305 3.31109587084613 2524693.351515418 7.74404155418048 397.486007348912 19.3107547038608 -83.2087533408649 2675568.93627721 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 01:21:25 2020-Feb-24 01:21

Alternate Designations
 1998 XC7 = 2002 PZ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-18 15:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin