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(2017 FE157)
Classification: Apollo [NEO]          SPK-ID: 3773751
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4408495191239872 0.00064866  
a 1.722976793578689 0.0018985 au
q .9634033026677346 5.6077e-05 au
i 5.226169968007766 0.0051898 deg
node 68.77752581458661 0.010943 deg
peri 178.4400403926343 0.0066537 deg
M 121.4904685457767 0.79631 deg
tp 2458721.722784978392
(2019-Aug-26.22278498)
1.3665 TDB
period 826.0713668246672
2.26
1.3653
0.003738
d
yr
n .4357976979444315 0.00072029 deg/d
Q 2.482550284489643 0.0027355 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      22 days  
   first obs. used      2017-03-31  
   last obs. used      2017-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .46309  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-24 06:22:58  

Additional Information
 Earth MOID = .0432373 au 
 Jupiter MOID = 2.55833 au 
 T_jup = 4.049 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457848.5 (2017-Apr-05.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4412571904250063 0.00064757  
q .9635603003368572 5.3579e-05 au
tp 2457895.440732841594
(2017-May-21.94073284)
0.0033048 TDB
node 68.89743549808823 0.010572 deg
peri 178.3004661451727 0.0063079 deg
i 5.20979087144018 0.0052335 deg
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      22 days  
   first obs. used      2017-03-31  
   last obs. used      2017-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .46309  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-24 06:22:58  

Additional Information
 Jupiter MOID = 2.55833 au 
 T_jup = 4.049 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.19345897344143E-7 -3.469399665167188E-8 -2.139112933301601E-6 6.812217565597062E-6 -4.024828420199378E-6 3.388910036982651E-6
q -3.469399665167188E-8 2.870720825725784E-9 1.769336602987022E-7 -5.632433740406046E-7 3.325661359617204E-7 -2.803957865972969E-7
tp -2.139112933301601E-6 1.769336602987022E-7 1.092158727062781E-5 -3.47414967702386E-5 2.053521680237849E-5 -1.728678804375379E-5
node 6.812217565597062E-6 -5.632433740406046E-7 -3.47414967702386E-5 .000111773023657767 -6.650939493065001E-5 5.49983290821555E-5
peri -4.024828420199378E-6 3.325661359617204E-7 2.053521680237849E-5 -6.650939493065001E-5 3.979005174107254E-5 -3.247068297415133E-5
i 3.388910036982651E-6 -2.803957865972969E-7 -1.728678804375379E-5 5.49983290821555E-5 -3.247068297415133E-5 2.738998646003225E-5

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 23.8   n/a MPO405778  

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