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JPL Small-Body Database Browser
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212315 (2005 QZ55)
Classification: Main-belt Asteroid          SPK-ID: 2212315
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571809756286154 4.928e-08  
a 3.106389830185398 3.7248e-08 au
q 2.618124445994049 1.6132e-07 au
i 13.6840316692244 5.692e-06 deg
node 167.7081709756201 2.4172e-05 deg
peri 163.1060047217285 3.0966e-05 deg
M 194.0391645377876 2.1998e-05 deg
tp 2459522.403517756836
(2021-Nov-03.90351776)
0.00013227 TDB
period 1999.780643837671
5.48
3.5968e-05
9.848e-08
d
yr
n .1800197442201178 3.2378e-09 deg/d
Q 3.594655214376748 4.3102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      8057 days (22.06 yr)  
   first obs. used      1997-03-12  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59677  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:26:34  

Additional Information
 Earth MOID = 1.61047 au 
 Jupiter MOID = 1.83325 au 
 T_jup = 3.158 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO433387  
diameter diameter 3.727 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.184   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212315 (2005 QZ55)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 QZ55 = 2004 LS5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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