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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06348930313175105 8.5209e-08  
a 3.006057536490777 3.8559e-08 au
q 2.815205038325029 2.7777e-07 au
i 7.00943866157145 4.9158e-06 deg
node 82.74640978600905 4.6538e-05 deg
peri 266.2579215314363 6.741e-05 deg
M 6.960274892107067 4.4389e-05 deg
tp 2459163.694031383307
(2020-Nov-10.19403138)
0.00023497 TDB
period 1903.681809612862
5.21
3.6629e-05
1.003e-07
d
yr
n .1891072332477719 3.6386e-09 deg/d
Q 3.196910034656524 4.1008e-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 = 1.81809 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 16.23   n/a E2021B25  
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2163-Jan-07 16:22 00:35 Thisb 0.0493507852260424 0.049234584664509 0.0494670453314166 3.77711262072357 3.7771125841455 2511086.182075404 35.0950341495749 6391.22385858649 93.394883141974 -25.0071048811877 33411.0013738061 T 15 CATAB v2.0f-lin.ifort 2020-Dec-18 06:10:57 2020-Dec-18 06:10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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