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13168 Danoconnell (1995 XW)
Classification: Main-belt Asteroid          SPK-ID: 2013168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09850967954566681 4.8975e-08  
a 2.630532586929232 1.8828e-08 au
q 2.3713996647564 1.3586e-07 au
i 15.75448672539613 5.7661e-06 deg
node 54.67318854782908 2.0949e-05 deg
peri 224.1648143190113 4.1496e-05 deg
M 346.0128428186208 3.845e-05 deg
tp 2458661.046760379389
(2019-Jun-26.54676038)
0.00016655 TDB
period 1558.346235330645
4.27
1.6731e-05
4.581e-08
d
yr
n .2310141301323941 2.4802e-09 deg/d
Q 2.889665509102064 2.0683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1378  
   data-arc span      8560 days (23.44 yr)  
   first obs. used      1995-12-06  
   last obs. used      2019-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:07:59  

Additional Information
 Earth MOID = 1.37819 au 
 Jupiter MOID = 2.20943 au 
 T_jup = 3.340 
[ 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 13.7   n/a MPO358758  
diameter diameter 4.812 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.304   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13168 Danoconnell           Discovered 1995 Dec. 6 by AMOS at Haleakala.
Dan O'Connell is a key member of the Air Force Maui and Supercomputing (AMOS) team, which supports a number of minor planet programs, including JPL's Near-Earth Asteroid Tracking (NEAT) program.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040306/MPCPages.arcLast Updated: 2004-03-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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