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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458090.5 (2017-Dec-03.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06693242247373959 8.5541e-08  
q 2.804061773490373 2.7989e-07 au
tp 2457263.372646636864
(2015-Aug-28.87264664)		 0.00023539 TDB
node 82.78561409144194 4.6234e-05 deg
peri 267.1110451665308 6.5182e-05 deg
i 7.013223537936102 4.9178e-06 deg
   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
 Jupiter MOID = 2.09548 au 
 T_jup = 3.237 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.317181387173669E-15 -2.380639345615398E-14 1.064749169128449E-11 5.58448136280967E-14 2.202217029509328E-12 -1.454917576785886E-14
q -2.380639345615398E-14 7.834032058845858E-14 -3.612437990823198E-11 -1.829200443734936E-13 -7.370379525930352E-12 4.857697943462744E-14
tp 1.064749169128449E-11 -3.612437990823198E-11 5.540797589861386E-8 8.377255237665236E-11 1.083829909031035E-8 -1.728114457866459E-11
node 5.58448136280967E-14 -1.829200443734936E-13 8.377255237665236E-11 2.137611838235487E-9 -2.103598979350996E-9 -2.260965886416066E-11
peri 2.202217029509328E-12 -7.370379525930352E-12 1.083829909031035E-8 -2.103598979350996E-9 4.248731408122718E-9 1.881334878005867E-11
i -1.454917576785886E-14 4.857697943462744E-14 -1.728114457866459E-11 -2.260965886416066E-11 1.881334878005867E-11 2.418492910058696E-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 16.23   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 16 CATAB v2.0f-lin.ifort 2021-Apr-14 06:29:51 2021-Apr-14 06:29
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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