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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1118742288222429 5.0849e-08  
a 2.632623759842462 1.9319e-08 au
q 2.338101006930973 1.3962e-07 au
i 9.295736146897475 5.2615e-06 deg
node 197.3985177184626 2.4568e-05 deg
peri 178.7701923390163 3.1182e-05 deg
M 20.0248814008749 1.9633e-05 deg
tp 2458513.714119595414
(2019-Jan-30.21411960)
8.4688e-05 TDB
period 1560.204843175042
4.27
1.7174e-05
4.702e-08
d
yr
n .2307389325028592 2.5399e-09 deg/d
Q 2.927146512753951 2.1481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      7684 days (21.04 yr)  
   first obs. used      1997-10-30  
   last obs. used      2018-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60784  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:12:55  

Additional Information
 Earth MOID = 1.33867 au 
 Jupiter MOID = 2.53083 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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