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47372 (1999 XW90)
Classification: Main-belt Asteroid          SPK-ID: 2047372
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06236218788908193 6.3435e-08  
a 2.466047918595534 1.0939e-08 au
q 2.312259774952599 1.5311e-07 au
i 2.841644858877009 3.5478e-06 deg
node 99.13114128975337 0.00010539 deg
peri 302.1807592102214 0.00011735 deg
M 154.083539647963 4.7297e-05 deg
tp 2458395.083239888850
(2018-Oct-03.58323989)
0.00018693 TDB
period 1414.492645599703
3.87
9.4117e-06
2.577e-08
d
yr
n .2545082161578654 1.6934e-09 deg/d
Q 2.619836062238468 1.1621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1045  
   data-arc span      10251 days (28.07 yr)  
   first obs. used      1991-12-14  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56431  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:19:09  

Additional Information
 Earth MOID = 1.32185 au 
 Jupiter MOID = 2.60612 au 
 T_jup = 3.482 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456254.5 (2012-Nov-23.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06122250111336791 6.3476e-08  
q 2.31586389726555 1.5317e-07 au
tp 2455562.366832546696
(2010-Dec-31.86683255)
0.00019693 TDB
node 99.18414049278677 0.00010531 deg
peri 301.634452715983 0.00011768 deg
i 2.842108844489876 3.5486e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1045  
   data-arc span      10251 days (28.07 yr)  
   first obs. used      1991-12-14  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56431  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:19:09  

Additional Information
 Jupiter MOID = 2.60612 au 
 T_jup = 3.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.0292118349677E-15 -9.703354765561836E-15 -8.633943643097091E-12 -7.631117576678371E-14 -2.316703999157291E-12 -3.156740816170027E-15
q -9.703354765561836E-15 2.345972135510765E-14 2.056109531477087E-11 1.832476745064706E-13 5.526671739384683E-12 7.656687139807571E-15
tp -8.633943643097091E-12 2.056109531477087E-11 3.878004059390358E-8 2.068720259971311E-10 1.038031252167583E-8 5.855002213236904E-12
node -7.631117576678371E-14 1.832476745064706E-13 2.068720259971311E-10 1.109007744125099E-8 -1.101912561275282E-8 -4.97143171018897E-11
peri -2.316703999157291E-12 5.526671739384683E-12 1.038031252167583E-8 -1.101912561275282E-8 1.384900639162746E-8 5.128736839658104E-11
i -3.156740816170027E-15 7.656687139807571E-15 5.855002213236904E-12 -4.97143171018897E-11 5.128736839658104E-11 1.259259780763699E-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 15.4   n/a MPO226441  
diameter diameter 2.138 km 0.475 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.267   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47372 (1999 XW90)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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