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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .227315246068336 4.7524e-08  
a 2.976822223069818 1.5083e-08 au
q 2.300145146931011 1.45e-07 au
i 10.04009281754822 3.5322e-06 deg
node 73.54308489092134 2.7598e-05 deg
peri 314.2447634901513 2.9466e-05 deg
M 67.71801449510478 9.3129e-06 deg
tp 2458847.618012408995
(2019-Dec-30.11801241)
4.7571e-05 TDB
period 1875.97814968342
5.14
1.4257e-05
3.903e-08
d
yr
n .1918998896979433 1.4584e-09 deg/d
Q 3.653499299208625 1.8511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1108  
   data-arc span      7792 days (21.33 yr)  
   first obs. used      1999-11-03  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:37  

Additional Information
 Earth MOID = 1.31773 au 
 Jupiter MOID = 1.83413 au 
 T_jup = 3.199 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457786.5 (2017-Feb-02.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2250640818828046 4.8246e-08  
q 2.312570362126421 1.4691e-07 au
tp 2456961.004362678627
(2014-Oct-30.50436268)
4.6775e-05 TDB
node 73.74071761245989 2.7778e-05 deg
peri 313.0548630220796 2.968e-05 deg
i 9.999259352728203 3.5206e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1108  
   data-arc span      7792 days (21.33 yr)  
   first obs. used      1999-11-03  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:37  

Additional Information
 Jupiter MOID = 1.83413 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.327654201271796E-15 -7.066197018643152E-15 -1.239627789413558E-12 -1.658024585846995E-14 -3.242582669259112E-13 -6.747789224165769E-15
q -7.066197018643152E-15 2.158388008812453E-14 3.732510146738333E-12 5.202051656939268E-14 9.913410506911105E-13 2.02699955462075E-14
tp -1.239627789413558E-12 3.732510146738333E-12 2.18793790497741E-9 2.474640661975286E-11 5.17861298894781E-10 3.544872943260509E-12
node -1.658024585846995E-14 5.202051656939268E-14 2.474640661975286E-11 7.71609908493761E-10 -7.540803695927478E-10 -3.004991044155506E-11
peri -3.242582669259112E-13 9.913410506911105E-13 5.17861298894781E-10 -7.540803695927478E-10 8.809069084447144E-10 3.055993661528363E-11
i -6.747789224165769E-15 2.02699955462075E-14 3.544872943260509E-12 -3.004991044155506E-11 3.055993661528363E-11 1.239466061843111E-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 14.6   n/a MPO453482  
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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 06:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin