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187727 (2008 FW55)
Classification: Main-belt Asteroid          SPK-ID: 2187727
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05534458044732264 3.321e-08  
a 2.131488935616755 1.1733e-08 au
q 2.013522574746936 7.0401e-08 au
i 5.555728633021548 6.5072e-06 deg
node 20.52597464775367 4.9339e-05 deg
peri 248.5284732278578 9.5777e-05 deg
M 325.8150865156404 8.6271e-05 deg
tp 2459308.433195507859
(2021-Apr-03.93319551)
0.00027281 TDB
period 1136.64030188658
3.11
9.3855e-06
2.57e-08
d
yr
n .316722888852768 2.6153e-09 deg/d
Q 2.249455296486575 1.2383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      5890 days (16.13 yr)  
   first obs. used      2003-12-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59391  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:36  

Additional Information
 Earth MOID = 1.00399 au 
 Jupiter MOID = 2.77736 au 
 T_jup = 3.713 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456831.5 (2014-Jun-23.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05545913781557434 3.321e-08  
q 2.013302218271487 7.0375e-08 au
tp 2457034.763411094424
(2015-Jan-12.26341109)
0.00026397 TDB
node 20.54964983667222 4.9324e-05 deg
peri 248.5546581576764 9.5709e-05 deg
i 5.557100431827752 6.5087e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      5890 days (16.13 yr)  
   first obs. used      2003-12-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59391  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:36  

Additional Information
 Jupiter MOID = 2.77736 au 
 T_jup = 3.713 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.102922813174582E-15 -2.308334158833562E-15 2.028620420572446E-12 -3.720687708273496E-15 6.578343342580661E-13 3.150636326486371E-15
q -2.308334158833562E-15 4.952602965356782E-15 -3.078440906412638E-12 7.824842231594072E-15 -1.0209303541154E-12 -5.909923918379053E-15
tp 2.028620420572446E-12 -3.078440906412638E-12 6.968130776488527E-8 -5.191755833081346E-11 2.167057763840787E-8 3.638395932806539E-11
node -3.720687708273496E-15 7.824842231594072E-15 -5.191755833081346E-11 2.432903800872124E-9 -2.43726208171083E-9 -1.823986746727876E-10
peri 6.578343342580661E-13 -1.0209303541154E-12 2.167057763840787E-8 -2.43726208171083E-9 9.160160801671382E-9 1.928880416201121E-10
i 3.150636326486371E-15 -5.909923918379053E-15 3.638395932806539E-11 -1.823986746727876E-10 1.928880416201121E-10 4.236342245468978E-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 17.6   n/a MPO348474  

187727 (2008 FW55)          Discovered 2008-Mar-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2008 FW55 = 2006 VR150 = 2008 CP143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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