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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08096906805738048 7.9333e-08  
a 2.464189628519681 2.616e-08 au
q 2.26466649078178 2.1135e-07 au
i 5.590082115800569 6.82e-06 deg
node 221.1974650225565 6.5877e-05 deg
peri 180.0292858845675 8.403e-05 deg
M 265.9630965855942 5.644e-05 deg
tp 2459369.567186180709
(2021-Jun-04.06718618)
0.00022546 TDB
period 1412.894110725272
3.87
2.2499e-05
6.16e-08
d
yr
n .2547961643177941 4.0575e-09 deg/d
Q 2.663712766257583 2.8279e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51115  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:08:48  

Additional Information
 Earth MOID = 1.27274 au 
 Jupiter MOID = 2.65403 au 
 T_jup = 3.477 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457899.5 (2017-May-26.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08238992018601173 7.9392e-08  
q 2.260036901064334 2.1162e-07 au
tp 2457957.713605113760
(2017-Jul-23.21360511)
0.00020694 TDB
node 221.2482180351489 6.5778e-05 deg
peri 180.1038622213135 8.3379e-05 deg
i 5.595213394126794 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51115  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:08:48  

Additional Information
 Jupiter MOID = 2.65403 au 
 T_jup = 3.477 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.303091785869915E-15 -1.673671177174475E-14 -9.623782054840078E-12 9.275602128222623E-14 -2.342135277841655E-12 -1.428475887758805E-14
q -1.673671177174475E-14 4.478436257932989E-14 2.678562703899254E-11 -2.499746332742148E-13 6.520144544141013E-12 4.038285133970379E-14
tp -9.623782054840078E-12 2.678562703899254E-11 4.282439127154765E-8 -2.229674552504228E-10 1.064845260955524E-8 5.432747553971072E-11
node 9.275602128222623E-14 -2.499746332742148E-13 -2.229674552504228E-10 4.326747374122748E-9 -4.358893474698143E-9 -1.316426244003867E-10
peri -2.342135277841655E-12 6.520144544141013E-12 1.064845260955524E-8 -4.358893474698143E-9 6.952024137441664E-9 1.441022574888105E-10
i -1.428475887758805E-14 4.038285133970379E-14 5.432747553971072E-11 -1.316426244003867E-10 1.441022574888105E-10 4.66024252906636E-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 17.9   n/a MPO477036  

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 ]
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