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357808 (2005 TM157)
Classification: Main-belt Asteroid          SPK-ID: 2357808
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04030511762293033 8.748e-08  
a 3.018883444036188 4.5359e-08 au
q 2.897206991734393 2.6774e-07 au
i 7.655974321753812 1.176e-05 deg
node 6.463035947237686 6.5913e-05 deg
peri 217.9885369857595 0.00016661 deg
M 80.82600434154891 0.00014821 deg
tp 2458570.353340557491
(2019-Mar-27.85334056)
0.00079121 TDB
period 1915.878418843235
5.25
4.318e-05
1.182e-07
d
yr
n .1879033640440295 4.2349e-09 deg/d
Q 3.140559896337984 4.7187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      6323 days (17.31 yr)  
   first obs. used      2002-02-08  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66643  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:43:07  

Additional Information
 Earth MOID = 1.89373 au 
 Jupiter MOID = 1.83878 au 
 T_jup = 3.232 
[ show covariance matrix ]

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 16.5   n/a MPO440603  

357808 (2005 TM157)          Discovered 2005-Oct-09 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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