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 ]  
70521 (1999 TF109)
Classification: Main-belt Asteroid          SPK-ID: 2070521
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09967734072429538 4.1124e-08  
a 2.378403601074733 1.0297e-08 au
q 2.141330654950516 1.0239e-07 au
i 9.062470360674286 4.1134e-06 deg
node 226.2106377178383 2.3973e-05 deg
peri 44.78804116388132 3.3631e-05 deg
M 354.6581481774228 2.652e-05 deg
tp 2459220.379986891838
(2021-Jan-05.87998689)
9.8757e-05 TDB
period 1339.759229339488
3.67
8.7009e-06
2.382e-08
d
yr
n .2687049972236301 1.7451e-09 deg/d
Q 2.615476547198951 1.1324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      10580 days (28.97 yr)  
   first obs. used      1991-06-06  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52264  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:13  

Additional Information
 Earth MOID = 1.13431 au 
 Jupiter MOID = 2.45028 au 
 T_jup = 3.516 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457198.5 (2015-Jun-25.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002094342711778 4.1111e-08  
q 2.139646923966953 1.0248e-07 au
tp 2456539.538717386635
(2013-Sep-04.03871739)
9.0605e-05 TDB
node 226.2780000687839 2.3992e-05 deg
peri 44.40284840891263 3.3504e-05 deg
i 9.059242046667318 4.1121e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      10580 days (28.97 yr)  
   first obs. used      1991-06-06  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52264  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:13  

Additional Information
 Jupiter MOID = 2.45028 au 
 T_jup = 3.516 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.690090364787005E-15 -4.198937275872246E-15 -1.350378200933292E-12 -5.023475623669954E-15 -3.022466325059492E-13 2.7125557532623E-16
q -4.198937275872246E-15 1.050154703112677E-14 3.497814345641363E-12 1.356321584493407E-14 7.942696370394331E-13 -3.555369309698339E-16
tp -1.350378200933292E-12 3.497814345641363E-12 8.209340753170657E-9 1.543977823403154E-11 2.128798151339307E-9 8.739388224992551E-12
node -5.023475623669954E-15 1.356321584493407E-14 1.543977823403154E-11 5.756091416972243E-10 -5.640177631222021E-10 -1.628463103369738E-11
peri -3.022466325059492E-13 7.942696370394331E-13 2.128798151339307E-9 -5.640177631222021E-10 1.122534815241632E-9 1.842077770119099E-11
i 2.7125557532623E-16 -3.555369309698339E-16 8.739388224992551E-12 -1.628463103369738E-11 1.842077770119099E-11 1.690941817380488E-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 15.7   n/a MPO468645  
diameter diameter 2.766 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.146   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70521 (1999 TF109)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TF109 = 2002 JB34 
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-18 18:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin