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 ]  
102458 (1999 TH225)
Classification: Main-belt Asteroid          SPK-ID: 2102458
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07511092857534238 4.3844e-08  
a 3.088595689466328 2.8332e-08 au
q 2.856608399236712 1.3665e-07 au
i 9.234843634742743 6.876e-06 deg
node 352.2565815228243 2.8966e-05 deg
peri 105.9356288361556 5.7533e-05 deg
M 236.7911884832099 5.2763e-05 deg
tp 2459879.045986337678
(2022-Oct-26.54598634)
0.00029471 TDB
period 1982.622444566603
5.43
2.728e-05
7.469e-08
d
yr
n .1815776881708284 2.4984e-09 deg/d
Q 3.320582979695943 3.046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      7654 days (20.96 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:54:39  

Additional Information
 Earth MOID = 1.89089 au 
 Jupiter MOID = 1.80134 au 
 T_jup = 3.201 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456920.5 (2014-Sep-20.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07645500444505177 4.2594e-08  
q 2.851460511959611 1.3364e-07 au
tp 2457873.893062916241
(2017-Apr-30.39306292)
0.00027895 TDB
node 352.7161515693027 2.9061e-05 deg
peri 101.7171710969308 5.7055e-05 deg
i 9.221385453141963 6.8651e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      7654 days (20.96 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:54:39  

Additional Information
 Jupiter MOID = 1.80134 au 
 T_jup = 3.201 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.814282803827535E-15 -5.585691598679289E-15 2.191557311556067E-12 3.376505783809903E-15 4.065030576019493E-13 5.448694279900714E-16
q -5.585691598679289E-15 1.785898763580296E-14 -3.508759219497262E-12 -1.529904028702305E-14 -7.303716708784773E-13 -4.857349294904012E-16
tp 2.191557311556067E-12 -3.508759219497262E-12 7.781417447117908E-8 2.675648018139894E-11 1.370321201402557E-8 1.148114865359996E-11
node 3.376505783809903E-15 -1.529904028702305E-14 2.675648018139894E-11 8.445128203223387E-10 -8.281201651763112E-10 -1.412371063712163E-11
peri 4.065030576019493E-13 -7.303716708784773E-13 1.370321201402557E-8 -8.281201651763112E-10 3.255299101078126E-9 1.588450398172506E-11
i 5.448694279900714E-16 -4.857349294904012E-16 1.148114865359996E-11 -1.412371063712163E-11 1.588450398172506E-11 4.712891584279342E-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 14.96   n/a E2021B55  

102458 (1999 TH225)          Discovered 1999-Oct-02 by Spacewatch at Kitt Peak
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-11 11:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin