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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .20351141742527 7.2466e-08  
a 3.038573401298274 2.932e-08 au
q 2.420189021449338 2.135e-07 au
i 10.80258381248986 8.514e-06 deg
node 228.1853891042237 3.26e-05 deg
peri 192.5745432062959 3.8099e-05 deg
M 159.7724564258786 1.68e-05 deg
tp 2458141.877161312503
(2018-Jan-23.37716131)
8.9856e-05 TDB
period 1934.652748303324
5.30
2.8002e-05
7.667e-08
d
yr
n .1860799052004125 2.6933e-09 deg/d
Q 3.656957781147209 3.5287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      6432 days (17.61 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:28:33  

Additional Information
 Earth MOID = 1.43389 au 
 Jupiter MOID = 1.71012 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457429.5 (2016-Feb-11.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2041392441477903 7.225e-08  
q 2.418593966201245 2.129e-07 au
tp 2458143.088807063544
(2018-Jan-24.58880706)
8.9813e-05 TDB
node 228.2017679611034 3.26e-05 deg
peri 192.8549903519562 3.8083e-05 deg
i 10.80281745904676 8.5141e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      6432 days (17.61 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:28:33  

Additional Information
 Jupiter MOID = 1.71012 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.220052166727089E-15 -1.529907232555834E-14 -2.909696548109108E-12 -2.097311153449491E-14 -6.871044409492477E-13 -1.749438866937161E-15
q -1.529907232555834E-14 4.532779686766143E-14 8.741711946516632E-12 6.021797063700595E-14 2.012172997658468E-12 5.76690954789292E-15
tp -2.909696548109108E-12 8.741711946516632E-12 8.06646139547886E-9 8.412565555804756E-12 1.792112710911593E-9 -6.043316415474285E-13
node -2.097311153449491E-14 6.021797063700595E-14 8.412565555804756E-12 1.062792254939081E-9 -1.040898071422427E-9 -8.961957017177108E-11
peri -6.871044409492477E-13 2.012172997658468E-12 1.792112710911593E-9 -1.040898071422427E-9 1.45030081271992E-9 8.782239011619911E-11
i -1.749438866937161E-15 5.76690954789292E-15 -6.043316415474285E-13 -8.961957017177108E-11 8.782239011619911E-11 7.248974316570967E-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

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