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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879253624786407 4.5346e-08  
a 2.583562349770627 1.6273e-08 au
q 2.098045458703813 1.2183e-07 au
i 1.970662260865336 4.1297e-06 deg
node 306.7704528327341 0.0001364 deg
peri 84.23714016748134 0.00013697 deg
M 288.0016941382101 1.5887e-05 deg
tp 2459303.851833356459
(2021-Mar-30.35183336)
6.9063e-05 TDB
period 1516.794856506229
4.15
1.4331e-05
3.924e-08
d
yr
n .2373425769844846 2.2424e-09 deg/d
Q 3.069079240837441 1.9331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      9634 days (26.38 yr)  
   first obs. used      1993-01-22  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 02:22:50  

Additional Information
 Earth MOID = 1.10474 au 
 Jupiter MOID = 2.38 au 
 T_jup = 3.397 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457061.5 (2015-Feb-08.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1903077288717968 4.5276e-08  
q 2.089279616226408 1.2167e-07 au
tp 2457788.916033826785
(2017-Feb-04.41603383)
5.8349e-05 TDB
node 306.8878633954565 0.00013671 deg
peri 84.37382348364046 0.00013727 deg
i 1.96940426398069 4.1274e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      9634 days (26.38 yr)  
   first obs. used      1993-01-22  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 02:22:50  

Additional Information
 Jupiter MOID = 2.38 au 
 T_jup = 3.397 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.049956918908919E-15 -5.481025713867188E-15 -1.059855316483057E-12 1.381475203314762E-14 -2.454555163147563E-13 -2.703103784480914E-16
q -5.481025713867188E-15 1.480339814477261E-14 3.212765973056794E-12 -3.758076515306799E-14 7.214211410101026E-13 8.907084699434981E-16
tp -1.059855316483057E-12 3.212765973056794E-12 3.404652248044655E-9 -1.303585705164265E-11 7.432704819607788E-10 7.510522046447203E-13
node 1.381475203314762E-14 -3.758076515306799E-14 -1.303585705164265E-11 1.869007662979407E-8 -1.868149854106116E-8 1.315183866831704E-10
peri -2.454555163147563E-13 7.214211410101026E-13 7.432704819607788E-10 -1.868149854106116E-8 1.884194044181771E-8 -1.313034965850375E-10
i -2.703103784480914E-16 8.907084699434981E-16 7.510522046447203E-13 1.315183866831704E-10 -1.313034965850375E-10 1.703522941874367E-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 15.0   n/a MPO439713  

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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