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JPL Small-Body Database Browser
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2628 Kopal (1979 MS8)
Classification: Main-belt Asteroid          SPK-ID: 2002628
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472259478505321 4.4976e-08  
a 2.909206144995702 1.2657e-08 au
q 2.480895512806117 1.3082e-07 au
i 1.340549708061196 4.1597e-06 deg
node 206.5453682080094 0.00017439 deg
peri 147.8387287021618 0.00017476 deg
M 324.9028265571413 1.067e-05 deg
tp 2458777.197258898752
(2019-Oct-20.69725890)
5.3608e-05 TDB
period 1812.425530708765
4.96
1.1828e-05
3.238e-08
d
yr
n .1986288506205376 1.2962e-09 deg/d
Q 3.337516777185286 1.452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2396  
   data-arc span      23419 days (64.12 yr)  
   first obs. used      1955-10-25  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49651  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:17:54  

Additional Information
 Earth MOID = 1.47524 au 
 Jupiter MOID = 2.09976 au 
 T_jup = 3.267 
[ 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 12.7   n/a MPO502178  

2628 Kopal (1979 MS8)          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 MS8 = 1974 OO1 = 1975 WB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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