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 ]  
103002 (1999 XH98)
Classification: Main-belt Asteroid          SPK-ID: 2103002
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2273152457477902 4.6875e-08  
a 2.976822223194885 1.4951e-08 au
q 2.300145147981856 1.4286e-07 au
i 10.04009274135074 3.478e-06 deg
node 73.54308536377053 2.7344e-05 deg
peri 314.2447630074248 2.9221e-05 deg
M 67.71801448511668 9.3051e-06 deg
tp 2458847.618012438805
(2019-Dec-30.11801244)
4.7543e-05 TDB
period 1875.978149801644
5.14
1.4133e-05
3.869e-08
d
yr
n .1918998896858497 1.4458e-09 deg/d
Q 3.653499298407913 1.835e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1116  
   data-arc span      7808 days (21.38 yr)  
   first obs. used      1999-11-03  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:35:22  

Additional Information
 Earth MOID = 1.31773 au 
 Jupiter MOID = 1.83413 au 
 T_jup = 3.199 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457815.5 (2017-Mar-03.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2250848197000592 4.7555e-08  
q 2.312584087981199 1.4457e-07 au
tp 2456961.317959725887
(2014-Oct-30.81795973)
4.6832e-05 TDB
node 73.713271859016 2.7507e-05 deg
peri 313.1260663365015 2.9419e-05 deg
i 10.00205712765002 3.4677e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1116  
   data-arc span      7808 days (21.38 yr)  
   first obs. used      1999-11-03  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:35:22  

Additional Information
 Jupiter MOID = 1.83413 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.261447679808276E-15 -6.853297382908997E-15 -1.236888750855428E-12 -1.755104324365782E-14 -3.225417465910192E-13 -6.335891370940221E-15
q -6.853297382908997E-15 2.090035074637533E-14 3.71626607851083E-12 5.401735722980868E-14 9.848461644620003E-13 1.902520953954537E-14
tp -1.236888750855428E-12 3.71626607851083E-12 2.193219367224461E-9 2.609852355750477E-11 5.169976711795715E-10 3.160204462315847E-12
node -1.755104324365782E-14 5.401735722980868E-14 2.609852355750477E-11 7.566230013533854E-10 -7.389520328168271E-10 -2.776681878420577E-11
peri -3.225417465910192E-13 9.848461644620003E-13 5.169976711795715E-10 -7.389520328168271E-10 8.654744743448293E-10 2.823150950064508E-11
i -6.335891370940221E-15 1.902520953954537E-14 3.160204462315847E-12 -2.776681878420577E-11 2.823150950064508E-11 1.202504426975443E-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 14.69   n/a MPCxxxxx  
diameter diameter 4.020 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.208   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103002 (1999 XH98)          Discovered 1999-Dec-07 by LINEAR at Socorro
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
1936-Jan-17 22:11 00:02 Jupiter 1.95157877389056 1.95157789967754 1.95157964810956 2.95338228206031 2.80257536110759 2428185.424391635 1.87956659233829 193.807570527893 10.1688426135845 80.8175482182199 2969227.9777429 T 30 CATAB v2.0g-lin.ifort 2021-May-04 08:35:27 2021-May-04 08:35
2017-Apr-15 17:31 < 00:01 Jupiter 1.89301009509178 1.89300953568077 1.89301065451129 1.83705317611917 1.57476014118253 2457859.229547712 0.313574385545307 321.743400486882 49.1488367927086 84.1240284342631 1768455.34231077 T 30 CATAB v2.0g-lin.ifort 2021-May-04 08:35:27 2021-May-04 08:35
2053-Jul-12 19:23 < 00:01 Jupiter 1.83029341159809 1.83029300987765 1.83029381332083 2.20108422900617 1.97970010848938 2471096.307624451 0.836005116726582 189.882273409179 25.8835557800463 82.9895389884246 2191631.76598593 T 30 CATAB v2.0g-lin.ifort 2021-May-04 08:35:27 2021-May-04 08:35
2089-Sep-30 08:02 00:02 Jupiter 1.8439655569402 1.84396513423878 1.84396597964602 2.5639640618305 2.37806960313894 2484324.834935092 1.64110212670032 189.03200330327 14.4495334416203 87.0317223080496 2457461.00567641 T 30 CATAB v2.0g-lin.ifort 2021-May-04 08:35:27 2021-May-04 08:35
2125-Dec-22 05:23 00:03 Jupiter 1.94065968103953 1.94065868626754 1.94066067582234 2.94415939484359 2.79197999431183 2497555.724020975 2.49496809317436 252.275184445331 9.92967388885606 81.8668527988058 3082748.24542155 T 30 CATAB v2.0g-lin.ifort 2021-May-04 08:35:27 2021-May-04 08:35
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-06 23:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin