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4532 Copland (1985 GM1)
Classification: Main-belt Asteroid          SPK-ID: 2004532
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04302301153016249 3.6942e-08  
a 2.994503709011398 1.6674e-08 au
q 2.865671141411486 1.128e-07 au
i 10.13907535227936 4.1364e-06 deg
node 199.8289873192535 2.426e-05 deg
peri 348.5117554967082 5.6562e-05 deg
M 308.4881977874773 5.1945e-05 deg
tp 2459271.325749466644
(2021-Feb-25.82574947)
0.00027358 TDB
period 1892.717117637362
5.18
1.5809e-05
4.328e-08
d
yr
n .190202749605488 1.5886e-09 deg/d
Q 3.12333627661131 1.7391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2386  
   data-arc span      22475 days (61.53 yr)  
   first obs. used      1959-04-16  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42629  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:50:49  

Additional Information
 Earth MOID = 1.86584 au 
 Jupiter MOID = 1.83765 au 
 T_jup = 3.230 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456810.5 (2014-Jun-02.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04545885297874155 3.6615e-08  
q 2.857069972564296 1.1218e-07 au
tp 2457387.573477633942
(2015-Dec-31.07347763)
0.00025845 TDB
node 199.9785179836347 2.4312e-05 deg
peri 350.218663394114 5.457e-05 deg
i 10.12807046061749 4.1333e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2386  
   data-arc span      22475 days (61.53 yr)  
   first obs. used      1959-04-16  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42629  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:50:49  

Additional Information
 Jupiter MOID = 1.83765 au 
 T_jup = 3.230 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.340642653000447E-15 -4.066960933523786E-15 -5.245906750887079E-13 -2.621903829611211E-15 -8.042746367439044E-14 -2.495180159073566E-16
q -4.066960933523786E-15 1.25853004839426E-14 2.180469185039249E-12 8.909218936101202E-15 3.392429147758296E-13 1.228359873534122E-15
tp -5.245906750887079E-13 2.180469185039249E-12 6.679690882220363E-8 -3.086576521323325E-11 1.264833473251788E-8 3.886284217066983E-12
node -2.621903829611211E-15 8.909218936101202E-15 -3.086576521323325E-11 5.91050565921199E-10 -5.875017461619226E-10 -2.215728662194119E-12
peri -8.042746367439044E-14 3.392429147758296E-13 1.264833473251788E-8 -5.875017461619226E-10 2.977870488469007E-9 2.829998332097951E-12
i -2.495180159073566E-16 1.228359873534122E-15 3.886284217066983E-12 -2.215728662194119E-12 2.829998332097951E-12 1.708440844829045E-11

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 12.0   n/a MPO365302  
diameter diameter 14.489 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.141   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4532 Copland (1985 GM1)          Discovered 1985-Apr-15 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1985 GM1 = 1959 GO = 1987 SZ25 = 1987 UC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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