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441404 (2008 FJ129)
Classification: Main-belt Asteroid          SPK-ID: 2441404
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .077213931901537 8.5758e-08  
a 3.126865177777653 5.0091e-08 au
q 2.885427622875441 2.7521e-07 au
i 8.081262800731329 6.7396e-06 deg
node 98.12735564801179 6.8351e-05 deg
peri 125.93758660 8.5574e-05 deg
M 58.04537285793609 4.948e-05 deg
tp 2458674.867858477991
(2019-Jul-10.36785848)
0.0002786 TDB
period 2019.585113783892
5.53
4.8529e-05
1.329e-07
d
yr
n .1782544333204677 4.2833e-09 deg/d
Q 3.368302732679864 5.3959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      4531 days (12.41 yr)  
   first obs. used      2006-12-26  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:35:29  

Additional Information
 Earth MOID = 1.8848 au 
 Jupiter MOID = 1.66309 au 
 T_jup = 3.194 
[ 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 16.5   n/a MPO477081  
diameter diameter 4.639 km 1.392 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.019   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

441404 (2008 FJ129)          Discovered 2008-Mar-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

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