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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1602097751383816 4.8259e-08  
a 2.579813167978556 1.6043e-08 au
q 2.166501880437676 1.2508e-07 au
i 3.610986517751788 8.9386e-06 deg
node 350.1458109475242 7.2888e-05 deg
peri 91.12739511892306 8.0967e-05 deg
M 19.3792016317347 3.1874e-05 deg
tp 2459119.026909571823
(2020-Sep-26.52690957)
0.00013397 TDB
period 1513.494369453972
4.14
1.4118e-05
3.865e-08
d
yr
n .2378601514915964 2.2187e-09 deg/d
Q 2.993124455519436 1.8613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      6320 days (17.30 yr)  
   first obs. used      2003-10-24  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50718  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:35:07  

Additional Information
 Earth MOID = 1.18553 au 
 Jupiter MOID = 2.24414 au 
 T_jup = 3.404 
[ 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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