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JPL Small-Body Database Browser
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105423 (2000 QA168)
Classification: Main-belt Asteroid          SPK-ID: 2105423
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03975855924075189 4.5316e-08  
a 2.94970559764074 2.8941e-08 au
q 2.832429552894163 1.2916e-07 au
i 11.0678142263906 1.059e-05 deg
node 316.8465924849292 3.1749e-05 deg
peri 102.2411497697422 0.00015416 deg
M 255.8875426836783 0.00014928 deg
tp 2459535.639035631363
(2021-Nov-17.13903563)
0.00076738 TDB
period 1850.403475176539
5.07
2.7232e-05
7.456e-08
d
yr
n .1945521638007375 2.8632e-09 deg/d
Q 3.066981642387316 3.0091e-08 au
  Orbit Determination Parameters
   # obs. used (total)      595  
   data-arc span      6468 days (17.71 yr)  
   first obs. used      2000-08-31  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47721  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:09:01  

Additional Information
 Earth MOID = 1.87181 au 
 Jupiter MOID = 2.08307 au 
 T_jup = 3.241 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO436497  
diameter diameter 6.739 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

105423 (2000 QA168)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2000 QA168 = 2001 XN39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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