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347650 (2001 TW89)
Classification: Main-belt Asteroid          SPK-ID: 2347650
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .203511422788125 7.1039e-08  
a 3.038573403180945 2.8457e-08 au
q 2.420189006653436 2.1012e-07 au
i 10.80258504264208 8.4837e-06 deg
node 228.1853652221502 2.8767e-05 deg
peri 192.5745634522445 3.2736e-05 deg
M 159.7724585155196 1.4708e-05 deg
tp 2458141.877149284706
(2018-Jan-23.37714928)
7.6814e-05 TDB
period 1934.652750101362
5.30
2.7178e-05
7.441e-08
d
yr
n .1860799050274725 2.6141e-09 deg/d
Q 3.656957799708454 3.4249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      6795 days (18.60 yr)  
   first obs. used      2001-09-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48774  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:41:12  

Additional Information
 Earth MOID = 1.43389 au 
 Jupiter MOID = 1.71012 au 
 T_jup = 3.182 
[ 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 15.7   n/a MPO339119  

347650 (2001 TW89)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

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