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118970 (2000 WE160)
Classification: Main-belt Asteroid          SPK-ID: 2118970
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324961698178414 4.2785e-08  
a 3.138197168477291 2.1583e-08 au
q 2.722398063520854 1.2693e-07 au
i 2.716447190371062 4.017e-06 deg
node 117.6208051833455 0.00010728 deg
peri 21.64265159689857 0.00010887 deg
M 125.3986172890856 1.9781e-05 deg
tp 2458293.191278524672
(2018-Jun-23.69127852)
0.00010906 TDB
period 2030.573743441753
5.56
2.0948e-05
5.735e-08
d
yr
n .177289793666795 1.829e-09 deg/d
Q 3.553996273433726 2.4443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      8099 days (22.17 yr)  
   first obs. used      1997-04-30  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6109  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:07:41  

Additional Information
 Earth MOID = 1.73597 au 
 Jupiter MOID = 1.46959 au 
 T_jup = 3.196 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456776.5 (2014-Apr-29.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333827916063711 4.2432e-08  
q 2.713904884048096 1.2622e-07 au
tp 2456261.527741214931
(2012-Nov-30.02774121)
0.00010396 TDB
node 117.6715424043373 0.00010754 deg
peri 20.12843628067242 0.00010912 deg
i 2.714667533001107 4.0138e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      8099 days (22.17 yr)  
   first obs. used      1997-04-30  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6109  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:07:41  

Additional Information
 Jupiter MOID = 1.46959 au 
 T_jup = 3.196 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.800512413138636E-15 -5.30553338966414E-15 1.278411585417006E-12 -2.232038688058916E-15 2.076694087257179E-13 -3.185169662821825E-16
q -5.30553338966414E-15 1.593031145128575E-14 -3.712380911231758E-12 8.74129156980548E-15 -5.914471394955339E-13 1.185965183027346E-15
tp 1.278411585417006E-12 -3.712380911231758E-12 1.080777112436387E-8 -1.457585459163341E-11 1.967207199400762E-9 -2.374136469520181E-12
node -2.232038688058916E-15 8.74129156980548E-15 -1.457585459163341E-11 1.156550470712716E-8 -1.155484452871572E-8 4.707356678937118E-11
peri 2.076694087257179E-13 -5.914471394955339E-13 1.967207199400762E-9 -1.155484452871572E-8 1.190758342646567E-8 -4.742466906061806E-11
i -3.185169662821825E-16 1.185965183027346E-15 -2.374136469520181E-12 4.707356678937118E-11 -4.742466906061806E-11 1.611052315563731E-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 14.8   n/a MPO432692  
diameter diameter 6.323 km 1.528 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118970 (2000 WE160)          Discovered 2000-Nov-20 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 WE160 = 1997 HA7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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