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109122 (2001 QZ43)
Classification: Main-belt Asteroid          SPK-ID: 2109122
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06810283613288044 6.2143e-08  
a 3.09689139231878 2.5443e-08 au
q 2.885984305306366 1.8754e-07 au
i 14.1357309267822 5.6521e-06 deg
node 314.3525701217655 1.7683e-05 deg
peri 22.82843645856564 3.5685e-05 deg
M 145.3390457534529 3.0827e-05 deg
tp 2458196.849548604868
(2018-Mar-19.34954860)
0.00017057 TDB
period 1990.615536261523
5.45
2.4531e-05
6.716e-08
d
yr
n .1808485834869441 2.2287e-09 deg/d
Q 3.307798479331193 2.7176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      786  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50608  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:19:45  

Additional Information
 Earth MOID = 1.87965 au 
 Jupiter MOID = 2.02335 au 
 T_jup = 3.173 
[ 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 14.5   n/a MPO469114  
diameter diameter 8.619 km 0.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.92 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.034   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109122 (2001 QZ43)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QZ43 = 2002 TP179 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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