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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160036916926209 4.8675e-08  
a 2.579254755773235 2.1682e-08 au
q 2.166478776692025 1.2523e-07 au
i 3.611011688265966 1.2239e-05 deg
node 350.1495904819027 7.3953e-05 deg
peri 91.14867948477003 8.7764e-05 deg
M 331.7796549057687 4.6417e-05 deg
tp 2459119.104073786812
(2020-Sep-26.60407379)
0.00019584 TDB
period 1513.002992014459
4.14
1.9078e-05
5.223e-08
d
yr
n .2379374012477563 3.0002e-09 deg/d
Q 2.992030734854446 2.5151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      6212 days (17.01 yr)  
   first obs. used      2003-10-24  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:30:54  

Additional Information
 Earth MOID = 1.18589 au 
 Jupiter MOID = 2.24493 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 16.9   n/a MPO494601  

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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