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(2017 FJ128)
Classification: Apollo [NEO]          SPK-ID: 3773652
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5086805623413381 0.00060629  
a 1.552023860652439 0.0012709 au
q .762539490448582 0.00031668 au
i 1.809617876623703 0.0015422 deg
node 306.9358843450624 0.044038 deg
peri 158.8097563598712 0.039704 deg
M 5.745226036082231 0.99099 deg
tp 2459189.229306574300
(2020-Dec-05.72930657)
1.9302 TDB
period 706.2297649856819
1.93
0.86747
0.002375
d
yr
n .5097491182735673 0.00062613 deg/d
Q 2.341508230856297 0.0019174 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      23 days  
   first obs. used      2017-03-29  
   last obs. used      2017-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .44801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 18:55:26  

Additional Information
 Earth MOID = .0244557 au 
 Jupiter MOID = 2.82197 au 
 T_jup = 4.293 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457843.5 (2017-Mar-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5082646805571613 0.00063477  
q .7634473813194814 0.00028866 au
tp 2457775.951998790811
(2017-Jan-22.45199879)
0.010061 TDB
node 307.0564290656188 0.025323 deg
peri 158.646403974524 0.015526 deg
i 1.808223191320833 0.0017629 deg
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      23 days  
   first obs. used      2017-03-29  
   last obs. used      2017-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .44801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 18:55:26  

Additional Information
 Jupiter MOID = 2.82197 au 
 T_jup = 4.293 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.029300155109379E-7 -1.831691797475397E-7 6.347632745323984E-6 -1.578380752142539E-5 9.568991088579297E-6 1.118823030920356E-6
q -1.831691797475397E-7 8.332742566576791E-8 -2.877165946109232E-6 7.203757396888876E-6 -4.366793833608781E-6 -5.086693346447323E-7
tp 6.347632745323984E-6 -2.877165946109232E-6 .0001012257910668856 -.0002443967082974142 .0001481647777429945 1.761672259885821E-5
node -1.578380752142539E-5 7.203757396888876E-6 -.0002443967082974142 .0006412356369505598 -.0003920536763729151 -4.375862282499715E-5
peri 9.568991088579297E-6 -4.366793833608781E-6 .0001481647777429945 -.0003920536763729151 .0002410445740438307 2.648986524221331E-5
i 1.118823030920356E-6 -5.086693346447323E-7 1.761672259885821E-5 -4.375862282499715E-5 2.648986524221331E-5 3.10796999165375E-6

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 22.7   n/a MPO413698  

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1952-Dec-20 10:29 7_16:21 Mars 0.0936244767321267 0.0688144588563296 0.330973608228509 13.3502389557856 13.3500099051634 2434366.936905224 11061.0504962675 12978354.3295665 383.576757489727 47.3145174320888 26235.0834872923 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 18:55:27 2021-Apr-15 18:55
1962-Oct-08 18:36 2_17:34 Earth 0.303688629294873 0.244903273519982 0.362601976775716 22.146455116293 22.1460589445562 2437946.275177469 3933.97169004854 2951003.35699587 384.174575250366 -5.9406826435453 10944.4367651892 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 18:55:27 2021-Apr-15 18:55
2015-Apr-05 08:50 2_14:37 Earth 0.287758530745197 0.237948778610219 0.337639777760966 21.6937372617008 21.693310432576 2457117.868132188 3756.49780272329 2495863.99919756 232.712578791842 5.13034791174255 14653.7943570335 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 18:55:27 2021-Apr-15 18:55
2017-Mar-03 17:03 00:05 Earth 0.114160517705559 0.113658222931243 0.114662811003242 10.1042903410455 10.1019801906214 2457816.210209087 5.4527261330175 25039.0015310914 98.0732703071247 0.679697998307491 1362.9561866065 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 18:55:27 2021-Apr-15 18:55
2020-Sep-01 15:54 3_12:17 Mars 0.0942495267697645 0.0691351442524224 0.165907246571727 15.6097148398065 15.6095202434286 2459094.162336025 5057.34248067563 4326500.24427826 370.965790166387 -47.1883241477234 27211.7600071335 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 18:55:27 2021-Apr-15 18:55
2020-Oct-17 13:53 5_21:04 Earth 0.143999937201958 0.0499134391890773 0.244451525707771 17.3649708954824 17.3639053074859 2459140.078204145 8463.5271954346 5082409.88415896 233.332393233722 -12.7309511829314 17242.7625458371 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 18:55:27 2021-Apr-15 18:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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