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295177 (2008 FE89)
Classification: Main-belt Asteroid          SPK-ID: 2295177
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0198351307930338 7.1966e-08  
a 3.124517391635154 4.174e-08 au
q 3.062542180506962 2.3304e-07 au
i 10.55446779819746 6.5711e-06 deg
node 325.5671838673146 3.2139e-05 deg
peri 213.5500708918484 0.00014528 deg
M 38.68380837567943 0.00014167 deg
tp 2458783.729804663416
(2019-Oct-27.22980466)
0.00079365 TDB
period 2017.310952512946
5.52
4.0423e-05
1.107e-07
d
yr
n .1784553836638577 3.5759e-09 deg/d
Q 3.186492602763346 4.2568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      6701 days (18.35 yr)  
   first obs. used      2001-12-19  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62955  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:40:28  

Additional Information
 Earth MOID = 2.07387 au 
 Jupiter MOID = 1.82586 au 
 T_jup = 3.189 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457155.5 (2015-May-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02062145555189093 7.1682e-08  
q 3.060830746680649 2.3235e-07 au
tp 2456745.189845906983
(2014-Mar-28.68984591)
0.00076591 TDB
node 325.5917852436013 3.214e-05 deg
peri 210.0238672828986 0.00014084 deg
i 10.55385161884289 6.5706e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      6701 days (18.35 yr)  
   first obs. used      2001-12-19  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62955  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:40:28  

Additional Information
 Jupiter MOID = 1.82586 au 
 T_jup = 3.189 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.138364816147605E-15 -1.639721958759453E-14 3.800021029542296E-12 -9.242403350175954E-15 8.847297777030651E-13 2.956333598378758E-15
q -1.639721958759453E-14 5.398653017045981E-14 -1.217418502068993E-11 3.59037921451395E-14 -2.77565512947542E-12 -6.471846537281617E-15
tp 3.800021029542296E-12 -1.217418502068993E-11 5.866186019649865E-7 1.276294692739964E-10 1.050467925277043E-7 7.860887441647154E-11
node -9.242403350175954E-15 3.59037921451395E-14 1.276294692739964E-10 1.032980020243438E-9 -9.921140000547687E-10 4.154925662382568E-11
peri 8.847297777030651E-13 -2.77565512947542E-12 1.050467925277043E-7 -9.921140000547687E-10 1.983683571248754E-8 -2.650729580010798E-11
i 2.956333598378758E-15 -6.471846537281617E-15 7.860887441647154E-11 4.154925662382568E-11 -2.650729580010798E-11 4.317214456035156E-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 15.4   n/a MPO433902  

295177 (2008 FE89)          Discovered 2008-Mar-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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