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382714 (2002 XJ2)
Classification: Main-belt Asteroid          SPK-ID: 2382714
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2219239900999982 5.0218e-08  
a 3.086753333974517 3.2125e-08 au
q 2.40172871764442 1.5509e-07 au
i 14.27160218364104 7.4467e-06 deg
node 231.3691806067672 2.6609e-05 deg
peri 259.5969828371092 3.4054e-05 deg
M 42.0606792561541 1.7741e-05 deg
tp 2458769.067100216331
(2019-Oct-12.56710022)
9.7674e-05 TDB
period 1980.848749843487
5.42
3.0923e-05
8.466e-08
d
yr
n .1817402767517937 2.8372e-09 deg/d
Q 3.771777950304613 3.9255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      6365 days (17.43 yr)  
   first obs. used      2002-11-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:43:51  

Additional Information
 Earth MOID = 1.46536 au 
 Jupiter MOID = 1.72129 au 
 T_jup = 3.141 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457919.5 (2017-Jun-15.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2226765729828518 5.0225e-08  
q 2.399550617963282 1.5525e-07 au
tp 2458769.153993738417
(2019-Oct-12.65399374)
9.7251e-05 TDB
node 231.380278701744 2.6612e-05 deg
peri 259.6997585926167 3.4004e-05 deg
i 14.27166178209396 7.4473e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      6365 days (17.43 yr)  
   first obs. used      2002-11-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:43:51  

Additional Information
 Jupiter MOID = 1.72129 au 
 T_jup = 3.141 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.522542598025235E-15 -7.69706640100828E-15 1.462338518614816E-12 -7.175862592403952E-15 2.493400201766352E-13 -8.927808276612626E-15
q -7.69706640100828E-15 2.410275280887428E-14 -4.591115468912228E-12 2.956112478009765E-14 -8.671590095253271E-13 2.689002444665646E-14
tp 1.462338518614816E-12 -4.591115468912228E-12 9.457694805534667E-9 -5.844056643392106E-11 2.083612296072496E-9 -1.665501175865686E-11
node -7.175862592403952E-15 2.956112478009765E-14 -5.844056643392106E-11 7.082234421233827E-10 -6.992842923814209E-10 -7.800338459422398E-11
peri 2.493400201766352E-13 -8.671590095253271E-13 2.083612296072496E-9 -6.992842923814209E-10 1.156292836438249E-9 7.239332114449932E-11
i -8.927808276612626E-15 2.689002444665646E-14 -1.665501175865686E-11 -7.800338459422398E-11 7.239332114449932E-11 5.5462871015316E-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 15.8   n/a MPO471931  

382714 (2002 XJ2)          Discovered 2002-Dec-01 by LINEAR at Socorro
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2002 XJ2 = 2004 GW81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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