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118956 (2000 WA103)
Classification: Main-belt Asteroid          SPK-ID: 2118956
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1672943068857274 4.5082e-08  
a 3.065021397743855 2.3901e-08 au
q 2.552260767418373 1.4034e-07 au
i 14.98097725077563 5.4903e-06 deg
node 98.40942280050095 2.0315e-05 deg
peri 16.04952275648123 2.6675e-05 deg
M 228.1640050966118 1.9976e-05 deg
tp 2459918.261555760649
(2022-Dec-04.76155576)
0.00011292 TDB
period 1959.966701530865
5.37
2.2925e-05
6.277e-08
d
yr
n .1836765898720708 2.1484e-09 deg/d
Q 3.577782028069337 2.7899e-08 au
  Orbit Determination Parameters
   # obs. used (total)      595  
   data-arc span      7252 days (19.85 yr)  
   first obs. used      2000-10-31  
   last obs. used      2020-09-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55138  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:40  

Additional Information
 Earth MOID = 1.57202 au 
 Jupiter MOID = 1.5914 au 
 T_jup = 3.160 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457345.5 (2015-Nov-19.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1639315658080771 4.4369e-08  
q 2.565253284010738 1.3771e-07 au
tp 2457941.575154557835
(2017-Jul-07.07515456)
0.0001066 TDB
node 98.53482520673489 2.0339e-05 deg
peri 13.8185849903624 2.7176e-05 deg
i 14.96386661715076 5.4935e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      595  
   data-arc span      7252 days (19.85 yr)  
   first obs. used      2000-10-31  
   last obs. used      2020-09-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55138  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:40  

Additional Information
 Jupiter MOID = 1.5914 au 
 T_jup = 3.160 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.968574224484042E-15 -6.047351256811702E-15 -9.035416365242541E-13 -1.539948729291007E-14 -1.356695231571388E-13 4.676300784989887E-16
q -6.047351256811702E-15 1.896484882284043E-14 3.661099337003889E-12 5.098669723922552E-14 5.359757188201736E-13 -3.893507114370515E-16
tp -9.035416365242541E-13 3.661099337003889E-12 1.136266516024029E-8 1.932622942574406E-11 1.952601963150159E-9 1.630516085427305E-12
node -1.539948729291007E-14 5.098669723922552E-14 1.932622942574406E-11 4.136600954867985E-10 -3.961540468418963E-10 -1.788832108101112E-11
peri -1.356695231571388E-13 5.359757188201736E-13 1.952601963150159E-9 -3.961540468418963E-10 7.385361731751595E-10 1.755025844439082E-11
i 4.676300784989887E-16 -3.893507114370515E-16 1.630516085427305E-12 -1.788832108101112E-11 1.755025844439082E-11 3.017893979101418E-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 14.61   n/a E2021B55  
diameter diameter 6.884 km 0.443 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.045 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.071   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118956 (2000 WA103)          Discovered 2000-Nov-26 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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