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305873 (2009 FP2)
Classification: Main-belt Asteroid          SPK-ID: 2305873
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01399619273065347 4.7093e-08  
a 2.751915579077198 2.3499e-08 au
q 2.713399238253945 1.2226e-07 au
i 8.521785573228065 6.4515e-06 deg
node 161.2041255156995 3.5419e-05 deg
peri 125.0061095522866 0.00026874 deg
M 58.30987712083761 0.0002653 deg
tp 2458730.421064879696
(2019-Sep-03.92106488)
0.0012285 TDB
period 1667.443346550353
4.57
2.1358e-05
5.848e-08
d
yr
n .2158993891725177 2.7654e-09 deg/d
Q 2.79043191990045 2.3828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7533 days (20.62 yr)  
   first obs. used      2000-03-03  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47041  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:10:25  

Additional Information
 Earth MOID = 1.70656 au 
 Jupiter MOID = 2.21492 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457248.5 (2015-Aug-14.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01475430557000963 4.6706e-08  
q 2.712599341833641 1.212e-07 au
tp 2457100.210109618668
(2015-Mar-18.71010962)
0.001171 TDB
node 161.3324349460145 3.5423e-05 deg
peri 133.2354325089393 0.00025675 deg
i 8.519871739902628 6.4536e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7533 days (20.62 yr)  
   first obs. used      2000-03-03  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47041  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:10:25  

Additional Information
 Jupiter MOID = 2.21492 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.181419104828321E-15 -5.57447471832075E-15 2.844125132246495E-12 -5.284546455628588E-15 5.638821605431193E-13 -1.120676516557669E-15
q -5.57447471832075E-15 1.468973921298786E-14 -7.39801022157462E-12 1.598237276966846E-14 -1.462411248786647E-12 4.466590396588594E-15
tp 2.844125132246495E-12 -7.39801022157462E-12 1.371305228908852E-6 -3.013571512423978E-11 2.978106754054478E-7 8.701219393757104E-12
node -5.284546455628588E-15 1.598237276966846E-14 -3.013571512423978E-11 1.254820736080825E-9 -1.247019759297374E-9 7.808238696472073E-11
peri 5.638821605431193E-13 -1.462411248786647E-12 2.978106754054478E-7 -1.247019759297374E-9 6.591957568915902E-8 -7.523831667376476E-11
i -1.120676516557669E-15 4.466590396588594E-15 8.701219393757104E-12 7.808238696472073E-11 -7.523831667376476E-11 4.164913809363892E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO440440  

305873 (2009 FP2)          Discovered 2009-Mar-19 by Lowe, A. at Mayhill
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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