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180775 (2004 QP8)
Classification: Main-belt Asteroid          SPK-ID: 2180775
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1415570028626839 6.5769e-08  
a 3.16646740408332 3.5676e-08 au
q 2.718231768698902 2.1902e-07 au
i 23.12649021302529 5.1881e-06 deg
node 92.13465233409653 1.3245e-05 deg
peri 156.4351731070302 2.3267e-05 deg
M 21.03026470071122 1.6541e-05 deg
tp 2459080.272671306354
(2020-Aug-18.77267131)
9.4935e-05 TDB
period 2058.073873328314
5.63
3.4782e-05
9.523e-08
d
yr
n .1749208347987085 2.9562e-09 deg/d
Q 3.614703039467737 4.0727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      468  
   data-arc span      6318 days (17.30 yr)  
   first obs. used      2003-03-27  
   last obs. used      2020-07-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5499  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:55  

Additional Information
 Earth MOID = 1.7133 au 
 Jupiter MOID = 1.53168 au 
 T_jup = 3.064 
[ 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 14.89   n/a E2021B55  
diameter diameter 7.338 km 0.227 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180775 (2004 QP8)          Discovered 2004-Aug-16 by Siding Spring Survey at Siding Spring
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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