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117118 (2004 PZ18)
Classification: Main-belt Asteroid          SPK-ID: 2117118
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1937567675837488 4.6527e-08  
a 3.105093408467197 3.0626e-08 au
q 2.503460546596988 1.5739e-07 au
i 18.20563874093898 5.5759e-06 deg
node 149.1833550205082 1.4232e-05 deg
peri 248.8919772552766 2.1776e-05 deg
M 277.3526812594153 1.9858e-05 deg
tp 2459459.314039590520
(2021-Sep-01.81403959)
0.0001144 TDB
period 1998.528890828705
5.47
2.9568e-05
8.095e-08
d
yr
n .1801324972844017 2.6651e-09 deg/d
Q 3.706726270337406 3.6561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50856  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:57:51  

Additional Information
 Earth MOID = 1.57299 au 
 Jupiter MOID = 2.02019 au 
 T_jup = 3.116 
[ 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 15.0   n/a MPO436562  
diameter diameter 4.461 km 1.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.089   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

117118 (2004 PZ18)          Discovered 2004-Aug-08 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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