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305907 (2009 FY44)
Classification: Main-belt Asteroid          SPK-ID: 2305907
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03511574312124728 8.118e-08  
a 2.711002264276797 4.0012e-08 au
q 2.615803405163334 2.3667e-07 au
i 6.802243932258189 6.8869e-06 deg
node 142.22859317556 7.467e-05 deg
peri 205.7918550035176 0.00013896 deg
M 17.26358628573616 0.00012398 deg
tp 2458922.315301391742
(2020-Mar-13.81530139)
0.00056076 TDB
period 1630.396548730344
4.46
3.6095e-05
9.882e-08
d
yr
n .2208051779061644 4.8884e-09 deg/d
Q 2.806201123390261 4.1417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      5652 days (15.47 yr)  
   first obs. used      2002-10-30  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60679  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:40:48  

Additional Information
 Earth MOID = 1.60904 au 
 Jupiter MOID = 2.34365 au 
 T_jup = 3.352 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456727.5 (2014-Mar-11.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03747717332333804 8.162e-08  
q 2.609749387922349 2.3826e-07 au
tp 2457293.465880217143
(2015-Sep-27.96588022)
0.00051125 TDB
node 142.3534233399974 7.4737e-05 deg
peri 206.3271105794584 0.00013251 deg
i 6.799261847766654 6.8889e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      5652 days (15.47 yr)  
   first obs. used      2002-10-30  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60679  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:40:48  

Additional Information
 Jupiter MOID = 2.34365 au 
 T_jup = 3.352 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.661875949746632E-15 -1.922239495662083E-14 7.902129417222645E-12 1.212995278920056E-14 1.940733370792412E-12 6.1120689895051E-15
q -1.922239495662083E-14 5.677015526441972E-14 -1.401884468261884E-11 -2.124819083541149E-14 -3.80667106882636E-12 -1.336470788494882E-14
tp 7.902129417222645E-12 -1.401884468261884E-11 2.61374373767864E-7 2.656629570731175E-10 5.602731990804987E-8 7.486849803575825E-11
node 1.212995278920056E-14 -2.124819083541149E-14 2.656629570731175E-10 5.585605427979596E-9 -5.489018911038404E-9 1.901491214047319E-10
peri 1.940733370792412E-12 -3.80667106882636E-12 5.602731990804987E-8 -5.489018911038404E-9 1.75579029378575E-8 -1.726259961740445E-10
i 6.1120689895051E-15 -1.336470788494882E-14 7.486849803575825E-11 1.901491214047319E-10 -1.726259961740445E-10 4.745744626694184E-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 17.0   n/a MPO440440  

305907 (2009 FY44)          Discovered 2009-Mar-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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