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181138 (2005 QZ156)
Classification: Main-belt Asteroid          SPK-ID: 2181138
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1250680345545402 5.7315e-08  
a 3.025944919641995 3.7072e-08 au
q 2.647495935872075 1.8585e-07 au
i 12.40033838878206 6.2428e-06 deg
node 290.2128812477218 2.0525e-05 deg
peri 12.73081726840879 2.7749e-05 deg
M 5.591945523333334 2.0209e-05 deg
tp 2459170.635834367180
(2020-Nov-17.13583437)
0.00010763 TDB
period 1922.604500160891
5.26
3.5332e-05
9.673e-08
d
yr
n .1872459988364085 3.441e-09 deg/d
Q 3.404393903411915 4.1708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      7213 days (19.75 yr)  
   first obs. used      2000-09-27  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55987  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:22  

Additional Information
 Earth MOID = 1.63138 au 
 Jupiter MOID = 1.82189 au 
 T_jup = 3.197 
[ 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 14.93   n/a E2021B55  

181138 (2005 QZ156)          Discovered 2005-Aug-30 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 QZ156 = 2000 SM313 = 2001 YB76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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