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259146 (2002 XF84)
Classification: Mars-crossing Asteroid          SPK-ID: 2259146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3909238138473326 7.1582e-08  
a 2.620904908995235 8.9504e-09 au
q 1.596330766239621 1.8703e-07 au
i 28.37539903008166 9.4561e-06 deg
node 46.87705793745196 1.4438e-05 deg
peri 102.6657901625675 2.159e-05 deg
M 75.91685385572792 8.9632e-06 deg
tp 2458873.678194956937
(2020-Jan-25.17819496)
3.8569e-05 TDB
period 1549.798810671152
4.24
7.9389e-06
2.174e-08
d
yr
n .2322882154259102 1.1899e-09 deg/d
Q 3.645479051750848 1.2449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      9661 days (26.45 yr)  
   first obs. used      1993-12-13  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:12:06  

Additional Information
 Earth MOID = .801721 au 
 Jupiter MOID = 2.07635 au 
 T_jup = 3.135 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457940.5 (2017-Jul-06.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3916478882117523 7.155e-08  
q 1.593746574905441 1.871e-07 au
tp 2457324.573947161155
(2015-Oct-29.07394716)
3.9475e-05 TDB
node 46.88581248795537 1.4441e-05 deg
peri 102.6619487411193 2.1559e-05 deg
i 28.38289899536192 9.4573e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      9661 days (26.45 yr)  
   first obs. used      1993-12-13  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:12:06  

Additional Information
 Jupiter MOID = 2.07635 au 
 T_jup = 3.135 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.11945339788203E-15 -1.338107492543448E-14 1.150548635581528E-12 5.444430648659177E-14 1.919607445474078E-13 -2.595989394044171E-13
q -1.338107492543448E-14 3.500457915660416E-14 -3.065851562000563E-12 -1.431276443818438E-13 -5.168358257485707E-13 6.828584343031767E-13
tp 1.150548635581528E-12 -3.065851562000563E-12 1.558252618320451E-9 1.043074685519355E-11 6.341934670766362E-10 -1.004427204377627E-10
node 5.444430648659177E-14 -1.431276443818438E-13 1.043074685519355E-11 2.085449170924293E-10 -1.842530196174835E-10 -7.677063217740804E-11
peri 1.919607445474078E-13 -5.168358257485707E-13 6.341934670766362E-10 -1.842530196174835E-10 4.647762743007018E-10 3.967897068149622E-11
i -2.595989394044171E-13 6.828584343031767E-13 -1.004427204377627E-10 -7.677063217740804E-11 3.967897068149622E-11 8.944001528136748E-11

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 16.44   n/a E2021B55  

259146 (2002 XF84)          Discovered 2002-Dec-13 by LINEAR at Socorro
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

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