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146404 (2001 QZ180)
Classification: Main-belt Asteroid          SPK-ID: 2146404
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121099328029975 4.9179e-08  
a 2.632704708538049 1.872e-08 au
q 2.337552360573713 1.3423e-07 au
i 9.29534118249302 5.1218e-06 deg
node 197.386072586784 2.4534e-05 deg
peri 178.7469078356886 3.1098e-05 deg
M 112.3264184325235 1.9834e-05 deg
tp 2458513.665818950117
(2019-Jan-30.16581895)
8.3777e-05 TDB
period 1560.276804189568
4.27
1.6641e-05
4.556e-08
d
yr
n .2307282906682636 2.4608e-09 deg/d
Q 2.927857056502384 2.0818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      547  
   data-arc span      8123 days (22.24 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59908  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:11  

Additional Information
 Earth MOID = 1.33891 au 
 Jupiter MOID = 2.53306 au 
 T_jup = 3.372 
[ 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 15.6   n/a MPO412892  
diameter diameter 3.845 km 0.430 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.057   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

146404 (2001 QZ180)          Discovered 2001-Aug-27 by Tucker, R. A. at Goodricke-Pigott
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2001 QZ180 = 2004 HG17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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