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2618 Coonabarabran (1979 MX2)
Classification: Main-belt Asteroid          SPK-ID: 2002618
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1187678734098809 3.9076e-08  
a 3.020479691647155 1.6881e-08 au
q 2.66174374199249 1.2179e-07 au
i 9.230036647988458 3.805e-06 deg
node 281.2872076989089 2.6554e-05 deg
peri 77.16698311423258 3.158e-05 deg
M 226.0848808026173 1.9599e-05 deg
tp 2459713.746121011653
(2022-May-14.24612101)
0.00010754 TDB
period 1917.398163128495
5.25
1.6074e-05
4.401e-08
d
yr
n .1877544304165866 1.574e-09 deg/d
Q 3.379215641301821 1.8886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2136  
   data-arc span      16345 days (44.75 yr)  
   first obs. used      1975-11-06  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:54:44  

Additional Information
 Earth MOID = 1.67679 au 
 Jupiter MOID = 2.10586 au 
 T_jup = 3.216 
[ 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 12.5   n/a MPO473800  
diameter diameter 12.361 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.183   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2618 Coonabarabran (1979 MX2)          Discovered 1979-Jun-25 by Helin, E. F. and Bus, S. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1979 MX2 = 1975 VP6 = 1975 XS3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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