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410777 (2009 FD)
Classification: Apollo [NEO]          SPK-ID: 2410777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 100 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4930307349965132 1.0041e-08  
a 1.16384462283438 6.7249e-09 au
q .590033453016606 1.2276e-08 au
i 3.127749306498464 2.197e-06 deg
node 9.340154973556711 1.0724e-05 deg
peri 281.4803343245738 1.0648e-05 deg
M 280.607713729807 8.6939e-06 deg
tp 2459101.638554266176
(2020-Sep-09.13855427)
1.1949e-05 TDB
period 458.6072683674944
1.26
3.9749e-06
1.088e-08
d
yr
n .7849853781896937 6.8037e-09 deg/d
Q 1.737655792652155 1.004e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 7.445007006900384E-14 1.718E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      497  
   # delay obs. used      5  
   # Doppler obs. used      3  
   data-arc span      3702 days (10.14 yr)  
   first obs. used      2009-02-24  
   last obs. used      2019-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35949  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2019-Jul-04 17:33:02  

Additional Information
 Earth MOID = .00217223 au 
 Jupiter MOID = 3.46676 au 
 T_jup = 5.293 
[ 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 22.1   n/a MPO190679  
diameter diameter 0.472 km n/a Mainzer, A. et al. (2013) Astrophys. J.  
rotation period rot_per 4.0 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.01   n/a Mainzer, A. et al. (2013) Astrophys. J.  

410777 (2009 FD)          Discovered 2009-Feb-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-10-09

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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