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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3909238142301773 7.1582e-08  
a 2.620904910470317 8.9504e-09 au
q 1.59633076613466 1.8703e-07 au
i 28.3753990356742 9.4561e-06 deg
node 46.87705788186661 1.4438e-05 deg
peri 102.6657900900971 2.159e-05 deg
M 75.91685382727707 8.9632e-06 deg
tp 2458873.678194803508
(2020-Jan-25.17819480)		 3.8569e-05 TDB
period 1549.798811979525
4.24		 7.9389e-06
2.174e-08		 d
yr
n .2322882152298076 1.1899e-09 deg/d
Q 3.645479054805975 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44382  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:47:08  

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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .391647888024901 7.155e-08  
q 1.593746575936386 1.871e-07 au
tp 2457324.573946615007
(2015-Oct-29.07394662)		 3.9475e-05 TDB
node 46.88581243197955 1.4441e-05 deg
peri 102.6619486829533 2.1559e-05 deg
i 28.38289902034349 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44382  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:47:08  

Additional Information
 Jupiter MOID = 2.07635 au 
 T_jup = 3.135 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.119453746870935E-15 -1.33810745399819E-14 1.150545503905635E-12 5.444434342971431E-14 1.919601476434665E-13 -2.595988912523607E-13
q -1.33810745399819E-14 3.500457447722962E-14 -3.065843394553068E-12 -1.431277050222208E-13 -5.168346776058523E-13 6.82858227774653E-13
tp 1.150545503905635E-12 -3.065843394553068E-12 1.558254631298741E-9 1.043063576050143E-11 6.341949413218998E-10 -1.004425503028821E-10
node 5.444434342971431E-14 -1.431277050222208E-13 1.043063576050143E-11 2.085449205022305E-10 -1.842530576075493E-10 -7.677063456248423E-11
peri 1.919601476434665E-13 -5.168346776058523E-13 6.341949413218998E-10 -1.842530576075493E-10 4.647768095550352E-10 3.96789914767028E-11
i -2.595988912523607E-13 6.82858227774653E-13 -1.004425503028821E-10 -7.677063456248423E-11 3.96789914767028E-11 8.94400107054307E-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

[ 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
1955-Aug-04 07:40 00:02 Psych 0.0298248821352956 0.0298142096800213 0.0298356030207033 12.7639999297948 12.7639998980124 2435323.819586426 2.11188062882858 2058.85840113419 161.669894354512 -75.6628392038125 26740.5633401093 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 02:47:09 2021-Apr-14 02:47
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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