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185854 (2000 EU106)
Classification: Mars-crossing Asteroid          SPK-ID: 2185854
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3736301109575628 3.6708e-08  
a 2.349861813893815 9.6313e-09 au
q 1.471882683633729 8.5054e-08 au
i 21.32539595859032 5.3082e-06 deg
node 198.3872707764112 1.2282e-05 deg
peri 100.3533821933969 1.3743e-05 deg
M 121.8770371071416 6.2629e-06 deg
tp 2458555.068116942554
(2019-Mar-12.56811694)
2.1655e-05 TDB
period 1315.715262750543
3.60
8.089e-06
2.215e-08
d
yr
n .2736154319950724 1.6822e-09 deg/d
Q 3.227840944153901 1.323e-08 au
  Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      23830 days (65.24 yr)  
   first obs. used      1954-10-31  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52229  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:10:49  

Additional Information
 Earth MOID = .621461 au 
 Jupiter MOID = 2.51774 au 
 T_jup = 3.376 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457228.5 (2015-Jul-25.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3735268483141522 3.6576e-08  
q 1.471934839328999 8.4693e-08 au
tp 2457240.310345468334
(2015-Aug-05.81034547)
1.996e-05 TDB
node 198.3992101015623 1.2276e-05 deg
peri 100.4262995270132 1.3748e-05 deg
i 21.33067820272468 5.3095e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      23830 days (65.24 yr)  
   first obs. used      1954-10-31  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52229  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:10:49  

Additional Information
 Jupiter MOID = 2.51774 au 
 T_jup = 3.376 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.337777238613661E-15 -3.090251881301416E-15 -2.688347477102661E-13 -1.371522853164942E-14 -1.22900985553032E-13 -2.978961468088812E-14
q -3.090251881301416E-15 7.172960107790135E-15 6.33522330920694E-13 3.40457455627237E-14 2.836261900863586E-13 7.058507359965551E-14
tp -2.688347477102661E-13 6.33522330920694E-13 3.983934113819638E-10 1.297600290612958E-11 1.38903848624128E-10 1.392065134820512E-11
node -1.371522853164942E-14 3.40457455627237E-14 1.297600290612958E-11 1.507029543622564E-10 -1.346862840042259E-10 1.964093134957897E-11
peri -1.22900985553032E-13 2.836261900863586E-13 1.38903848624128E-10 -1.346862840042259E-10 1.890040212812256E-10 -1.26743603913167E-11
i -2.978961468088812E-14 7.058507359965551E-14 1.392065134820512E-11 1.964093134957897E-11 -1.26743603913167E-11 2.819084168875129E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO502995  
diameter diameter 1.909 km 0.320 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 3.505 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Skiff, B.A.; Bowell, E.; Koehn, B.W.; Sanborn, J.J.; McLelland, K.P.; Warner, B.D. (2012) Minor Planet Bull. 39, 111-130.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 267-276.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46-4, in press.]
geometric albedo albedo 0.351   0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

185854 (2000 EU106)          Discovered 2000-Mar-09 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2000 EU106 = 2001 QH199 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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