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305528 (2008 FK123)
Classification: Main-belt Asteroid          SPK-ID: 2305528
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2323898692132707 5.0418e-08  
a 3.189508090134342 4.2294e-08 au
q 2.448298722213354 1.5223e-07 au
i 24.8784828196661 9.4547e-06 deg
node 210.2083779328875 1.2799e-05 deg
peri 266.1580261376677 2.4521e-05 deg
M 123.989419563842 1.7954e-05 deg
tp 2458283.917636479985
(2018-Jun-14.41763648)
0.00010685 TDB
period 2080.577937816518
5.70
4.1383e-05
1.133e-07
d
yr
n .1730288461954015 3.4416e-09 deg/d
Q 3.930717458055331 5.2122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      7144 days (19.56 yr)  
   first obs. used      2000-11-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6105  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:22:46  

Additional Information
 Earth MOID = 1.60848 au 
 Jupiter MOID = 1.84968 au 
 T_jup = 3.013 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457717.5 (2016-Nov-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2335018100861218 5.061e-08  
q 2.443777405079644 1.5311e-07 au
tp 2458283.461042912052
(2018-Jun-13.96104291)
0.00010604 TDB
node 210.2377377419389 1.2789e-05 deg
peri 265.900290558531 2.4391e-05 deg
i 24.89655800586076 9.4592e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      7144 days (19.56 yr)  
   first obs. used      2000-11-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6105  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:22:46  

Additional Information
 Jupiter MOID = 1.84968 au 
 T_jup = 3.013 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.561377673914909E-15 -7.591936206262641E-15 -3.371888250205779E-12 6.749526472959957E-15 -6.799495667632398E-13 -1.548261902164921E-15
q -7.591936206262641E-15 2.344317191810588E-14 9.783710646697837E-12 -2.299859034238928E-14 1.918073099414618E-12 4.564496269939649E-15
tp -3.371888250205779E-12 9.783710646697837E-12 1.124467279757918E-8 -2.231622514061245E-11 2.229217783931656E-9 8.783888617871753E-12
node 6.749526472959957E-15 -2.299859034238928E-14 -2.231622514061245E-11 1.63551192839071E-10 -1.523579610736479E-10 6.68273263311853E-11
peri -6.799495667632398E-13 1.918073099414618E-12 2.229217783931656E-9 -1.523579610736479E-10 5.949081242176646E-10 -5.89638069545437E-11
i -1.548261902164921E-15 4.564496269939649E-15 8.783888617871753E-12 6.68273263311853E-11 -5.89638069545437E-11 8.947575149089282E-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 15.5   n/a MPO215049  

305528 (2008 FK123)          Discovered 2008-Mar-28 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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