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JPL Small-Body Database Browser
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300458 (2007 TW81)
Classification: Main-belt Asteroid          SPK-ID: 2300458
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02233213080226152 7.3145e-08  
a 2.639231130162456 2.89e-08 au
q 2.580291475346268 1.8702e-07 au
i 2.190490395956948 6.5464e-06 deg
node 151.2191755881838 0.00019925 deg
peri 70.00972750643423 0.00026064 deg
M 68.24336063046508 0.00016311 deg
tp 2458303.625791395637
(2018-Jul-04.12579140)
0.00071107 TDB
period 1566.082240238616
4.29
2.5724e-05
7.043e-08
d
yr
n .2298729854347551 3.7758e-09 deg/d
Q 2.698170784978645 2.9546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      6708 days (18.37 yr)  
   first obs. used      2001-04-16  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53798  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:49:13  

Additional Information
 Earth MOID = 1.57191 au 
 Jupiter MOID = 2.26359 au 
 T_jup = 3.395 
[ 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 MPO440418  

300458 (2007 TW81)          Discovered 2007-Oct-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

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