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78083 (2002 LX21)
Classification: Main-belt Asteroid          SPK-ID: 2078083
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201606299584138 4.205e-08  
a 3.074347803917951 2.2449e-08 au
q 2.704932235087904 1.2489e-07 au
i 2.095452280968763 4.3657e-06 deg
node 55.86769367436408 0.00014453 deg
peri 222.0287457486365 0.00014637 deg
M 98.4152103728251 2.4802e-05 deg
tp 2458462.245525976313
(2018-Dec-09.74552598)
0.00013415 TDB
period 1968.919335887864
5.39
2.1566e-05
5.904e-08
d
yr
n .1828414163232653 2.0027e-09 deg/d
Q 3.443763372747999 2.5147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      21967 days (60.14 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:01  

Additional Information
 Earth MOID = 1.68898 au 
 Jupiter MOID = 1.67282 au 
 T_jup = 3.218 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457306.5 (2015-Oct-11.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122040205986561 4.187e-08  
q 2.698147994291476 1.2468e-07 au
tp 2456498.453552998105
(2013-Jul-24.95355300)
0.00012976 TDB
node 55.87111127790929 0.0001445 deg
peri 222.9752550963029 0.00014629 deg
i 2.097432223309615 4.3667e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      21967 days (60.14 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:01  

Additional Information
 Jupiter MOID = 1.67282 au 
 T_jup = 3.218 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.753117500609001E-15 -5.160166706126998E-15 1.615836380323348E-12 -5.127712194935663E-15 2.670667573061582E-13 1.527049859094561E-17
q -5.160166706126998E-15 1.554448423824071E-14 -4.848485192968937E-12 1.435070827863379E-14 -7.741453762595746E-13 8.151744858494522E-17
tp 1.615836380323348E-12 -4.848485192968937E-12 1.683821471352607E-8 -3.374700607879579E-11 3.006441888659647E-9 -1.487216913964911E-12
node -5.127712194935663E-15 1.435070827863379E-14 -3.374700607879579E-11 2.0879098421972E-8 -2.087072445470898E-8 -1.211566061962577E-10
peri 2.670667573061582E-13 -7.741453762595746E-13 3.006441888659647E-9 -2.087072445470898E-8 2.140095373847205E-8 1.208273786613857E-10
i 1.527049859094561E-17 8.151744858494522E-17 -1.487216913964911E-12 -1.211566061962577E-10 1.208273786613857E-10 1.906771827325833E-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 15.0   n/a MPO359291  
diameter diameter 5.513 km 0.379 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78083 (2002 LX21)          Discovered 2002-Jun-08 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 LX21 = 2003 QW29 = 2639 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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