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 ]  
442378 (2011 TK17)
Classification: Main-belt Asteroid          SPK-ID: 2442378
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1274750405197527 6.8913e-08  
a 2.777417758847077 5.9026e-08 au
q 2.423366317497765 1.9919e-07 au
i 6.048546768472489 9.6708e-06 deg
node 76.33169756626529 5.8965e-05 deg
peri 313.9189871112119 7.013e-05 deg
M 303.1958122572782 4.0044e-05 deg
tp 2459267.270677863273
(2021-Feb-21.77067786)
0.00019192 TDB
period 1690.67542107551
4.63
5.3896e-05
1.476e-07
d
yr
n .212932651360714 6.7879e-09 deg/d
Q 3.131469200196388 6.655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      4221 days (11.56 yr)  
   first obs. used      2007-12-04  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5254  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:05  

Additional Information
 Earth MOID = 1.43395 au 
 Jupiter MOID = 2.30002 au 
 T_jup = 3.315 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457467.5 (2016-Mar-20.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1306384386684069 6.9429e-08  
q 2.413553111328712 2.0102e-07 au
tp 2457574.421872906337
(2016-Jul-04.92187291)
0.00016764 TDB
node 76.36305382235439 5.8952e-05 deg
peri 313.4937554439468 6.9521e-05 deg
i 6.052387931989357 9.6669e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      4221 days (11.56 yr)  
   first obs. used      2007-12-04  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5254  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:05  

Additional Information
 Jupiter MOID = 2.30002 au 
 T_jup = 3.315 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.820426837056483E-15 -1.351042789753616E-14 3.741868776471335E-12 1.538713383130161E-15 1.041330674919574E-12 4.474009726706429E-15
q -1.351042789753616E-14 4.04083443355684E-14 -8.593202048326558E-12 -1.327623529233319E-14 -2.557901333106188E-12 -8.44924713799442E-15
tp 3.741868776471335E-12 -8.593202048326558E-12 2.810164628737188E-8 -8.381414370251145E-11 6.183171414791678E-9 2.871605346756444E-11
node 1.538713383130161E-15 -1.327623529233319E-14 -8.381414370251145E-11 3.475285501761271E-9 -3.472811591733864E-9 1.626116802946431E-10
peri 1.041330674919574E-12 -2.557901333106188E-12 6.183171414791678E-9 -3.472811591733864E-9 4.833155242725624E-9 -1.554997644806002E-10
i 4.474009726706429E-15 -8.44924713799442E-15 2.871605346756444E-11 1.626116802946431E-10 -1.554997644806002E-10 9.344828703246841E-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 16.9   n/a MPO477088  

442378 (2011 TK17)          Discovered 2007-Dec-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-13 20:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin