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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457693.5 (2016-Nov-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2040083673323268 7.0914e-08  
q 2.419549565029518 2.0987e-07 au
tp 2458142.972999032276
(2018-Jan-24.47299903)
7.6836e-05 TDB
node 228.1938728407473 2.8766e-05 deg
peri 192.8033423585339 3.273e-05 deg
i 10.80209550464085 8.4837e-06 deg
  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
 Jupiter MOID = 1.71012 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.028759987215045E-15 -1.480324737707431E-14 -2.260241211252305E-12 -7.981992152692818E-15 -5.248771648503393E-13 -2.402527401951864E-15
q -1.480324737707431E-14 4.404640345441835E-14 7.042125461602965E-12 2.250389272206769E-14 1.591089048944604E-12 7.555161447084466E-15
tp -2.260241211252305E-12 7.042125461602965E-12 5.903845166585687E-9 -7.535045591129319E-13 1.218397956823683E-9 2.182064665167788E-13
node -7.981992152692818E-15 2.250389272206769E-14 -7.535045591129319E-13 8.275080724904232E-10 -8.122679220079509E-10 -7.88323892349936E-11
peri -5.248771648503393E-13 1.591089048944604E-12 1.218397956823683E-9 -8.122679220079509E-10 1.071224012676643E-9 7.746234441047794E-11
i -2.402527401951864E-15 7.555161447084466E-15 2.182064665167788E-13 -7.88323892349936E-11 7.746234441047794E-11 7.197233490987394E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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