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18173 (2000 QD8)
Classification: Main-belt Asteroid          SPK-ID: 2018173
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029364901848677 2.537e-08  
a 2.35064184353872 5.8279e-09 au
q 1.873610838129285 6.0615e-08 au
i 5.456928557208675 3.91e-06 deg
node 181.3144924750351 2.894e-05 deg
peri 88.68307250467815 3.0967e-05 deg
M 337.5969626158347 9.6755e-06 deg
tp 2459478.418600419950
(2021-Sep-20.91860042)
3.5423e-05 TDB
period 1316.370438770344
3.60
4.8955e-06
1.34e-08
d
yr
n .2734792497591221 1.017e-09 deg/d
Q 2.827672848948154 7.0106e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1418  
   data-arc span      10684 days (29.25 yr)  
   first obs. used      1992-03-26  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52243  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:34:54  

Additional Information
 Earth MOID = .867372 au 
 Jupiter MOID = 2.28998 au 
 T_jup = 3.524 
[ 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 15.27   n/a E2021B10  
diameter diameter 2.795 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18173 (2000 QD8)          Discovered 2000-Aug-25 by Korlevic, K., Juric, M. at Visnjan
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 QD8 = 1993 TL36 = 1996 MT = 1999 CR13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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