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(1999 FN19)
Classification: Apollo [NEO]          SPK-ID: 3018335
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 81 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3913409093552759 3.0012e-09  
a 1.647452207343107 8.1189e-10 au
q 1.002736762402099 5.2588e-09 au
i 2.256197804057379 9.3027e-07 deg
node 190.0837485109359 1.6776e-05 deg
peri 36.75402968089557 1.6747e-05 deg
M 351.4786122309426 1.0393e-06 deg
tp 2459018.782075217584
(2020-Jun-18.28207522)
2.2332e-06 TDB
period 772.3562472099763
2.11
5.7094e-07
1.563e-09
d
yr
n .4661061541231099 3.4456e-10 deg/d
Q 2.292167652284116 1.1296e-09 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   # delay obs. used      6  
   # Doppler obs. used      5  
   data-arc span      7084 days (19.39 yr)  
   first obs. used      1999-03-20  
   last obs. used      2018-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42935  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-02 06:52:16  

Additional Information
 Earth MOID = .0162829 au 
 Jupiter MOID = 2.69568 au 
 T_jup = 4.193 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.5   n/a E2018M75  
rotation period rot_per 26.80 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]
SMASSII spectral type spec_B Sq   n/a Binzel et al. (2004) Meteorit. Planet. Sci. 39, 351-366  

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