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 ]  
70610 (1999 TH198)
Classification: Main-belt Asteroid          SPK-ID: 2070610
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0669634581303078 7.5619e-08  
a 2.602959139653183 1.8352e-08 au
q 2.428655994290115 1.9517e-07 au
i 22.7636992358909 8.6893e-06 deg
node 36.9392812041248 1.4741e-05 deg
peri 331.1785854991819 5.2487e-05 deg
M 2.664847440782735 5.4786e-05 deg
tp 2458989.145466303341
(2020-May-19.64546630)
0.00023338 TDB
period 1533.908496313999
4.20
1.6222e-05
4.441e-08
d
yr
n .2346945732845763 2.4821e-09 deg/d
Q 2.777262285016251 1.9581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      15772 days (43.18 yr)  
   first obs. used      1977-07-17  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 18:40:16  

Additional Information
 Earth MOID = 1.4451 au 
 Jupiter MOID = 2.52588 au 
 T_jup = 3.300 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456219.5 (2012-Oct-19.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06880257021715351 7.6289e-08  
q 2.424841416095922 1.9774e-07 au
tp 2455922.844762968834
(2011-Dec-27.34476297)
0.00021116 TDB
node 37.00681552864841 1.4718e-05 deg
peri 331.6381093179587 5.0791e-05 deg
i 22.78579660260849 8.6953e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      15772 days (43.18 yr)  
   first obs. used      1977-07-17  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 18:40:16  

Additional Information
 Jupiter MOID = 2.52588 au 
 T_jup = 3.300 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.820015046899911E-15 -1.503002951610414E-14 5.227048540123854E-12 -1.117889619884631E-14 1.096257948866891E-12 -8.859594196429223E-15
q -1.503002951610414E-14 3.910166359554757E-14 -1.224292768690274E-11 2.650923885525007E-14 -2.541431825130089E-12 2.133552814543606E-14
tp 5.227048540123854E-12 -1.224292768690274E-11 4.459052246023532E-8 -1.307107963352043E-11 1.028441986776384E-8 -6.936538718514244E-11
node -1.117889619884631E-14 2.650923885525007E-14 -1.307107963352043E-11 2.166244225234577E-10 -2.016102557563151E-10 -1.774704076282231E-11
peri 1.096257948866891E-12 -2.541431825130089E-12 1.028441986776384E-8 -2.016102557563151E-10 2.579737808775379E-9 2.263820175016997E-13
i -8.859594196429223E-15 2.133552814543606E-14 -6.936538718514244E-11 -1.774704076282231E-11 2.263820175016997E-13 7.560790910375637E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO302440  
diameter diameter 3.215 km 0.717 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.247   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70610 (1999 TH198)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TH198 = 1977 OS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-23 22:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin