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447140 (2005 EO22)
Classification: Main-belt Asteroid          SPK-ID: 2447140
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1551454704146691 9.1027e-08  
a 2.606646096628625 2.6507e-08 au
q 2.202236761762616 2.2963e-07 au
i 6.020153520854902 7.046e-06 deg
node 162.225795542803 8.1388e-05 deg
peri 39.11407506466947 8.5561e-05 deg
M 193.0212485104197 2.7556e-05 deg
tp 2459713.484752456170
(2022-May-13.98475246)
0.00012346 TDB
period 1537.168703170224
4.21
2.3447e-05
6.419e-08
d
yr
n .2341968056320323 3.5723e-09 deg/d
Q 3.011055431494634 3.062e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      5739 days (15.71 yr)  
   first obs. used      2005-02-02  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:54:10  

Additional Information
 Earth MOID = 1.20377 au 
 Jupiter MOID = 1.95111 au 
 T_jup = 3.387 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457374.5 (2015-Dec-18.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1547043488958999 9.1243e-08  
q 2.204183167535831 2.3014e-07 au
tp 2456639.467124600071
(2013-Dec-12.96712460)
0.00010465 TDB
node 162.2692851948307 8.1342e-05 deg
peri 39.32030827061404 8.5511e-05 deg
i 6.020962877956745 7.0482e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      5739 days (15.71 yr)  
   first obs. used      2005-02-02  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:54:10  

Additional Information
 Jupiter MOID = 1.95111 au 
 T_jup = 3.387 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.325236958971983E-15 -2.09128739720172E-14 2.345186493358143E-12 1.096973675656567E-14 3.198801861088648E-13 -2.408112116947803E-14
q -2.09128739720172E-14 5.296370040365102E-14 -5.642551100526918E-12 -2.330010095444206E-14 -6.981719365815833E-13 6.092848453479716E-14
tp 2.345186493358143E-12 -5.642551100526918E-12 1.095102030435411E-8 -1.78827917544308E-12 2.816219886192949E-9 -2.088413129072139E-11
node 1.096973675656567E-14 -2.330010095444206E-14 -1.78827917544308E-12 6.616564795974383E-9 -6.580966444902721E-9 1.085724404942201E-10
peri 3.198801861088648E-13 -6.981719365815833E-13 2.816219886192949E-9 -6.580966444902721E-9 7.312076736296636E-9 -1.124989949752561E-10
i -2.408112116947803E-14 6.092848453479716E-14 -2.088413129072139E-11 1.085724404942201E-10 -1.124989949752561E-10 4.967740409216762E-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 17.2   n/a MPO450458  

447140 (2005 EO22)          Discovered 2005-Mar-03 by CSS at Catalina
Reference: Last Updated: 2015-10-28

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