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JPL Small-Body Database Browser
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300497 (2007 TW157)
Classification: Main-belt Asteroid          SPK-ID: 2300497
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1597599294329689 4.9581e-08  
a 2.5793783789335 2.4961e-08 au
q 2.167297071134159 1.2608e-07 au
i 3.61070943638126 1.3558e-05 deg
node 350.1555026556054 7.6338e-05 deg
peri 91.11732598761219 9.4418e-05 deg
M 236.6031557736672 5.4842e-05 deg
tp 2459119.147826126852
(2020-Sep-26.64782613)
0.00023522 TDB
period 1513.111770210264
4.14
2.1964e-05
6.013e-08
d
yr
n .2379202958351015 3.4535e-09 deg/d
Q 2.991459686732842 2.8948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      5796 days (15.87 yr)  
   first obs. used      2003-10-24  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53134  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:49:17  

Additional Information
 Earth MOID = 1.18662 au 
 Jupiter MOID = 2.24624 au 
 T_jup = 3.405 
[ 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 17.0   n/a MPO352838  

300497 (2007 TW157)          Discovered 2007-Oct-09 by LINEAR at Socorro
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

[ show close-approach data ]
Alternate Designations
 2007 TW157 = 2003 UM312 = 2005 EX326 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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