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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0634893042907049 8.507e-08  
a 3.006057536601313 3.8559e-08 au
q 2.815205034944666 2.7738e-07 au
i 7.009438728469117 4.9141e-06 deg
node 82.74641229882816 4.6259e-05 deg
peri 266.2579181848993 6.721e-05 deg
M 6.960275513009631 4.4377e-05 deg
tp 2459163.694028097941
(2020-Nov-10.19402810)
0.00023491 TDB
period 1903.681809717863
5.21
3.6628e-05
1.003e-07
d
yr
n .1891072332373413 3.6386e-09 deg/d
Q 3.196910038257961 4.1008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      7318 days (20.04 yr)  
   first obs. used      2000-10-26  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59305  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:29:50  

Additional Information
 Earth MOID = 1.81809 au 
 Jupiter MOID = 2.09548 au 
 T_jup = 3.237 
[ 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 16.24   n/a MPCxxxxx  
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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