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308076 (2004 TX240)
Classification: Main-belt Asteroid          SPK-ID: 2308076
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2141073249837167 6.8685e-08  
a 2.285419289887687 1.7491e-08 au
q 1.796094279263649 1.5813e-07 au
i 5.050843121913503 8.0018e-06 deg
node 295.4388648373102 7.4454e-05 deg
peri 62.63639957772978 7.7235e-05 deg
M 262.3115437583656 2.3634e-05 deg
tp 2459542.942773399857
(2021-Nov-24.44277340)
8.5287e-05 TDB
period 1261.964854056189
3.46
1.4487e-05
3.966e-08
d
yr
n .2852694342817023 3.2749e-09 deg/d
Q 2.774744300511725 2.1236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6204 days (16.99 yr)  
   first obs. used      2002-01-12  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:19:06  

Additional Information
 Earth MOID = .797028 au 
 Jupiter MOID = 2.69576 au 
 T_jup = 3.566 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456948.5 (2014-Oct-18.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2139454434862917 6.8911e-08  
q 1.796911442320669 1.5871e-07 au
tp 2457016.481234670627
(2014-Dec-24.98123467)
7.0332e-05 TDB
node 295.608334023865 7.4341e-05 deg
peri 62.09587524720747 7.714e-05 deg
i 5.055527234861685 8.004e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6204 days (16.99 yr)  
   first obs. used      2002-01-12  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:19:06  

Additional Information
 Jupiter MOID = 2.69576 au 
 T_jup = 3.566 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.748764918242819E-15 -1.089534093170296E-14 3.609723788901963E-13 -2.152048202508261E-14 -1.659214098081903E-13 -1.260021400788139E-14
q -1.089534093170296E-14 2.519019160619833E-14 -4.638917406302356E-13 4.858608236198315E-14 4.761639200928222E-13 2.907648338554561E-14
tp 3.609723788901963E-13 -4.638917406302356E-13 4.946602791463197E-9 -3.656612792639893E-12 1.452148201065371E-9 -1.880353718495988E-11
node -2.152048202508261E-14 4.858608236198315E-14 -3.656612792639893E-12 5.526544180851499E-9 -5.50425651124838E-9 -1.328002330858286E-10
peri -1.659214098081903E-13 4.761639200928222E-13 1.452148201065371E-9 -5.50425651124838E-9 5.950505840751012E-9 1.274827162126282E-10
i -1.260021400788139E-14 2.907648338554561E-14 -1.880353718495988E-11 -1.328002330858286E-10 1.274827162126282E-10 6.406355102926287E-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 17.5   n/a MPO455269  

308076 (2004 TX240)          Discovered 2004-Oct-10 by LINEAR at Socorro
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ 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
1940-Jan-25 06:24 00:01 Hebe 0.0334553825611627 0.0334360829972589 0.0334746924326829 5.98737887076173 5.98737883972651 2429653.766511254 1.36268244983956 1367.78124347109 293.111597197123 46.6763835604481 12669.1348103296 T 7 CATAB v2.0e-lin.ifort 2019-Jul-13 19:19:09 2019-Jul-13 19:19
1982-Apr-18 13:51 00:06 Iris 0.0323293673574321 0.0323139986879683 0.0323447411507539 3.7804908056155 3.78049075857979 2445078.077199466 5.79681171594309 1004.46886458851 121.409369750194 -40.6593332136573 26194.3881270591 T 7 CATAB v2.0e-lin.ifort 2019-Jul-13 19:19:09 2019-Jul-13 19:19
2037-Aug-07 03:09 00:05 Iris 0.0247353151499562 0.0247132295502848 0.0247574381343518 3.52792344040844 3.52792337453104 2465277.631166049 5.26598537838675 1880.53819692398 119.497997665622 54.3098335567693 25157.868507823 T 7 CATAB v2.0e-lin.ifort 2019-Jul-13 19:19:09 2019-Jul-13 19:19
2092-Nov-25 22:43 00:04 Iris 0.0479499292065133 0.0478952102200277 0.0480046580720937 3.32496649201309 3.32496645595541 2485477.446422937 3.97096428892903 2934.08100071733 120.445380532185 21.7087529541615 22127.7174135899 T 7 CATAB v2.0e-lin.ifort 2019-Jul-13 19:19:09 2019-Jul-13 19:19

Alternate Designations
 2004 TX240 = 2002 AK192 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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