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 ]  
434564 (2005 TJ157)
Classification: Main-belt Asteroid          SPK-ID: 2434564
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08060251216591952 7.9075e-08  
a 2.462493153670703 2.5708e-08 au
q 2.264010019293466 2.1029e-07 au
i 5.590909992405191 6.8221e-06 deg
node 221.1595095235203 6.5879e-05 deg
peri 180.5146801961259 8.4416e-05 deg
M 6.477017591739618 5.8149e-05 deg
tp 2459371.105857617741
(2021-Jun-05.60585762)
0.00022771 TDB
period 1411.435298442345
3.86
2.2103e-05
6.051e-08
d
yr
n .2550595131050603 3.9941e-09 deg/d
Q 2.660976288047939 2.778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      5464 days (14.96 yr)  
   first obs. used      2005-09-29  
   last obs. used      2020-09-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51148  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:16:37  

Additional Information
 Earth MOID = 1.27158 au 
 Jupiter MOID = 2.65341 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457899.5 (2017-May-26.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08238992240555289 7.9392e-08  
q 2.260036894822747 2.1162e-07 au
tp 2457957.713606551431
(2017-Jul-23.21360655)
0.00020694 TDB
node 221.2482180427282 6.5778e-05 deg
peri 180.1038623716976 8.3379e-05 deg
i 5.595213388348543 6.8266e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      5464 days (14.96 yr)  
   first obs. used      2005-09-29  
   last obs. used      2020-09-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51148  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:16:37  

Additional Information
 Jupiter MOID = 2.65341 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.303092216274067E-15 -1.673671039068572E-14 -9.623783413274953E-12 9.275608300280985E-14 -2.342135584775E-12 -1.42847708805828E-14
q -1.673671039068572E-14 4.478435157306449E-14 2.678562622927331E-11 -2.499747710894374E-13 6.520144205820873E-12 4.038288069695901E-14
tp -9.623783413274953E-12 2.678562622927331E-11 4.28243879553269E-8 -2.229674865266077E-10 1.064845211259559E-8 5.432748845267735E-11
node 9.275608300280985E-14 -2.499747710894374E-13 -2.229674865266077E-10 4.326747498571296E-9 -4.358893608186426E-9 -1.316426426560164E-10
peri -2.342135584775E-12 6.520144205820873E-12 1.064845211259559E-8 -4.358893608186426E-9 6.952024202006574E-9 1.441022789563805E-10
i -1.42847708805828E-14 4.038288069695901E-14 5.432748845267735E-11 -1.316426426560164E-10 1.441022789563805E-10 4.660242646954225E-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 18.04   n/a E2021B25  

434564 (2005 TJ157)          Discovered 2005-Oct-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-05 15:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin