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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 82 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3914268913107551 2.9945e-09  
a 1.647432170672414 8.087e-10 au
q 1.002582917460781 5.248e-09 au
i 2.256432370110896 9.2726e-07 deg
node 190.0763819352165 1.672e-05 deg
peri 36.74935072307888 1.6691e-05 deg
M 84.7020954812406 1.056e-06 deg
tp 2459018.780558004150
(2020-Jun-18.28055800)
2.2287e-06 TDB
period 772.342156906785
2.11
5.687e-07
1.557e-09
d
yr
n .4661146575784402 3.4321e-10 deg/d
Q 2.292281423884046 1.1252e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43285  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:49:55  

Additional Information
 Earth MOID = .0158592 au 
 Jupiter MOID = 2.69441 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. 2020-October); 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  

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