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161869 (2007 CW5)
Classification: Main-belt Asteroid          SPK-ID: 2161869
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1196064607147887 8.0987e-08  
a 3.086235413312359 3.4182e-08 au
q 2.717101718593425 2.5162e-07 au
i 11.80534796702164 6.9224e-06 deg
node 275.1265650776131 3.407e-05 deg
peri 232.3710671671726 4.3848e-05 deg
M 151.3146257645131 2.8192e-05 deg
tp 2458168.122351732804
(2018-Feb-18.62235173)
0.00015128 TDB
period 1980.350226306194
5.42
3.29e-05
9.008e-08
d
yr
n .181786027147068 3.0201e-09 deg/d
Q 3.455369108031293 3.827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      6650 days (18.21 yr)  
   first obs. used      2000-11-20  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59117  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:34:45  

Additional Information
 Earth MOID = 1.74873 au 
 Jupiter MOID = 1.7287 au 
 T_jup = 3.183 
[ 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 15.1   n/a MPO439955  
diameter diameter 4.754 km 0.938 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

161869 (2007 CW5)          Discovered 2007-Feb-08 by Lowe, A. at Mayhill
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 2007 CW5 = 2005 WH179 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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