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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 ]

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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 .06413175039945328 8.5191e-08  
a 3.008185822618997 3.9096e-08 au
q 2.815265600287621 2.7828e-07 au
i 7.010040391302639 4.9958e-06 deg
node 82.75927668607611 4.6538e-05 deg
peri 266.0884708614115 6.7222e-05 deg
M 329.3132794637887 4.4439e-05 deg
tp 2459162.943895103969
(2020-Nov-09.44389510)
0.0002342 TDB
period 1905.703875017231
5.22
3.7152e-05
1.017e-07
d
yr
n .1889065792012125 3.6827e-09 deg/d
Q 3.201106044950372 4.1604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      7271 days (19.91 yr)  
   first obs. used      2000-10-26  
   last obs. used      2020-09-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59602  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:47:33  

Additional Information
 Earth MOID = 1.81989 au 
 Jupiter MOID = 2.0944 au 
 T_jup = 3.236 
[ show covariance matrix ]

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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