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JPL Small-Body Database Browser
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109441 (2001 QA200)
Classification: Main-belt Asteroid          SPK-ID: 2109441
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2074428413681138 6.0923e-08  
a 2.652642041623408 1.3487e-08 au
q 2.102370439376534 1.6484e-07 au
i 15.33906344942664 4.9038e-06 deg
node 279.2230927263956 2.0793e-05 deg
peri 67.61847196537938 2.2646e-05 deg
M 48.18776349920763 9.3223e-06 deg
tp 2458389.272397836524
(2018-Sep-27.77239784)
4.0527e-05 TDB
period 1578.034157574087
4.32
1.2035e-05
3.295e-08
d
yr
n .2281319439583159 1.7399e-09 deg/d
Q 3.202913643870283 1.6285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      7712 days (21.11 yr)  
   first obs. used      1997-12-06  
   last obs. used      2019-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51667  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:04:28  

Additional Information
 Earth MOID = 1.14536 au 
 Jupiter MOID = 2.33327 au 
 T_jup = 3.309 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457059.5 (2015-Feb-06.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2084966271713304 6.1436e-08  
q 2.098432035909894 1.6647e-07 au
tp 2456808.196600026936
(2014-May-30.69660003)
3.9189e-05 TDB
node 279.4740620893074 2.0762e-05 deg
peri 66.76325215296303 2.2536e-05 deg
i 15.3494542645769 4.9146e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      7712 days (21.11 yr)  
   first obs. used      1997-12-06  
   last obs. used      2019-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51667  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:04:28  

Additional Information
 Jupiter MOID = 2.33327 au 
 T_jup = 3.309 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.774427248748194E-15 -1.020780680143516E-14 -3.751110816855399E-13 -1.482425881243376E-15 -1.734928620545189E-13 -1.414848948064887E-14
q -1.020780680143516E-14 2.771125875396675E-14 9.598572774415566E-13 6.206993921106609E-15 4.599804292041924E-13 3.975211082472681E-14
tp -3.751110816855399E-13 9.598572774415566E-13 1.53579141531806E-9 1.093835850285069E-12 3.795245017463897E-10 3.440450599674913E-12
node -1.482425881243376E-15 6.206993921106609E-15 1.093835850285069E-12 4.310612057112904E-10 -4.151431733798869E-10 4.369480994853042E-11
peri -1.734928620545189E-13 4.599804292041924E-13 3.795245017463897E-10 -4.151431733798869E-10 5.078636770214551E-10 -4.108344394397997E-11
i -1.414848948064887E-14 3.975211082472681E-14 3.440450599674913E-12 4.369480994853042E-11 -4.108344394397997E-11 2.415280521287702E-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 14.9   n/a MPO453554  
diameter diameter 4.481 km 1.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.106   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

109441 (2001 QA200)          Discovered 2001-Aug-22 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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