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312409 (2008 FZ74)
Classification: Main-belt Asteroid          SPK-ID: 2312409
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06413174357298947 8.5026e-08  
a 3.00818582803629 3.8869e-08 au
q 2.815265625892766 2.7757e-07 au
i 7.010040107878718 4.9162e-06 deg
node 82.75927711788319 4.6515e-05 deg
peri 266.0884742389394 6.7139e-05 deg
M 329.3132744174044 4.4266e-05 deg
tp 2459162.943922256425
(2020-Nov-09.44392226)
0.00023325 TDB
period 1905.703880165063
5.22
3.6936e-05
1.011e-07
d
yr
n .1889065786909236 3.6613e-09 deg/d
Q 3.201106030179814 4.1362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      7318 days (20.04 yr)  
   first obs. used      2000-10-26  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59763  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:10:57  

Additional Information
 Earth MOID = 1.81989 au 
 Jupiter MOID = 2.0944 au 
 T_jup = 3.236 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458087.5 (2017-Nov-30.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06693379116480379 8.5678e-08  
q 2.804055956845767 2.8028e-07 au
tp 2457263.381434282804
(2015-Aug-28.88143428)
0.00023544 TDB
node 82.78562848589272 4.6513e-05 deg
peri 267.112321595417 6.5387e-05 deg
i 7.013224397652243 4.9194e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      7318 days (20.04 yr)  
   first obs. used      2000-10-26  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59763  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:10:57  

Additional Information
 Jupiter MOID = 2.0944 au 
 T_jup = 3.236 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.340661391711135E-15 -2.38775496752047E-14 1.062212998173181E-11 5.586126640672448E-14 2.196884763302574E-12 -1.459741629887159E-14
q -2.38775496752047E-14 7.855614561901562E-14 -3.604872327751495E-11 -1.829326894392259E-13 -7.35450637704566E-12 4.872497352563195E-14
tp 1.062212998173181E-11 -3.604872327751495E-11 5.543092881327709E-8 8.316784469178488E-11 1.084366802048302E-8 -1.72416594888091E-11
node 5.586126640672448E-14 -1.829326894392259E-13 8.316784469178488E-11 2.163476420498197E-9 -2.129385616525026E-9 -2.197793293457782E-11
peri 2.196884763302574E-12 -7.35450637704566E-12 1.084366802048302E-8 -2.129385616525026E-9 4.275429610104634E-9 1.819497996849293E-11
i -1.459741629887159E-14 4.872497352563195E-14 -1.72416594888091E-11 -2.197793293457782E-11 1.819497996849293E-11 2.420045829547027E-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 16.0   n/a MPO476402  
diameter diameter 3.249 km 0.850 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312409 (2008 FZ74)          Discovered 2008-Mar-31 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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