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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09794011704430672 4.6356e-08  
a 2.628862514162032 1.5928e-08 au
q 2.371391411831612 1.2629e-07 au
i 15.75234808579998 5.4832e-06 deg
node 54.65896014011503 1.9734e-05 deg
peri 223.9991546703877 3.7682e-05 deg
M 78.64664746921164 3.2796e-05 deg
tp 2458660.383304423629
(2019-Jun-25.88330442)
0.00014199 TDB
period 1556.862426404467
4.26
1.4149e-05
3.874e-08
d
yr
n .2312343042611739 2.1015e-09 deg/d
Q 2.886333616492452 1.7488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2059  
   data-arc span      9005 days (24.65 yr)  
   first obs. used      1995-12-06  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39705  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:40:47  

Additional Information
 Earth MOID = 1.37835 au 
 Jupiter MOID = 2.21165 au 
 T_jup = 3.341 
[ 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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