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105442 (2000 QW180)
Classification: Main-belt Asteroid          SPK-ID: 2105442
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874977316495974 4.2802e-08  
a 2.581827742584706 1.2811e-08 au
q 2.097740897340073 1.1738e-07 au
i 1.970742856894866 4.0313e-06 deg
node 306.7694578722593 9.5939e-05 deg
peri 84.39286695166126 9.6775e-05 deg
M 21.89664680304537 1.463e-05 deg
tp 2459304.335338158383
(2021-Mar-30.83533816)
6.1125e-05 TDB
period 1515.267545822019
4.15
1.1279e-05
3.088e-08
d
yr
n .2375818059276807 1.7684e-09 deg/d
Q 3.065914587829339 1.5214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      10224 days (27.99 yr)  
   first obs. used      1993-01-22  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53339  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:58:58  

Additional Information
 Earth MOID = 1.10379 au 
 Jupiter MOID = 2.38483 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457710.5 (2016-Nov-18.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901783998903897 4.2741e-08  
q 2.090450687564022 1.1752e-07 au
tp 2457788.637651475346
(2017-Feb-04.13765148)
5.2948e-05 TDB
node 306.8862762677539 9.6156e-05 deg
peri 84.25415619801645 9.6955e-05 deg
i 1.968984771412721 4.0276e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      10224 days (27.99 yr)  
   first obs. used      1993-01-22  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53339  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:58:58  

Additional Information
 Jupiter MOID = 2.38483 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.82682851360943E-15 -5.011379376165047E-15 -1.376166554492512E-12 1.68810234126259E-14 -2.883616845474415E-13 -6.336738347511614E-16
q -5.011379376165047E-15 1.381201346468865E-14 3.853970260545883E-12 -4.754516175346218E-14 8.102263129487181E-13 1.817922664033006E-15
tp -1.376166554492512E-12 3.853970260545883E-12 2.803517007681273E-9 -2.318386344498899E-11 6.66716700603329E-10 9.012713727591439E-13
node 1.68810234126259E-14 -4.754516175346218E-14 -2.318386344498899E-11 9.245954100201795E-9 -9.245190165240571E-9 1.106991206126733E-10
peri -2.883616845474415E-13 8.102263129487181E-13 6.66716700603329E-10 -9.245190165240571E-9 9.400302666967224E-9 -1.104467327592172E-10
i -6.336738347511614E-16 1.817922664033006E-15 9.012713727591439E-13 1.106991206126733E-10 -1.104467327592172E-10 1.622120879641448E-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 15.14   n/a E2021B55  

105442 (2000 QW180)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2000 QW180 = 1993 BR12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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