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JPL Small-Body Database Browser
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56454 (2000 GM87)
Classification: Main-belt Asteroid          SPK-ID: 2056454
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1566710500819919 4.3582e-08  
a 2.192086944306365 7.9915e-09 au
q 1.848650380870862 9.6363e-08 au
i 7.180211519905155 3.9718e-06 deg
node 114.6463505776296 3.9362e-05 deg
peri 271.5088192400929 4.1665e-05 deg
M 122.4076204517916 1.4787e-05 deg
tp 2458197.420190285829
(2018-Mar-19.92019029)
4.779e-05 TDB
period 1185.455047337109
3.25
6.4826e-06
1.775e-08
d
yr
n .3036808530265816 1.6607e-09 deg/d
Q 2.535523507741868 9.2436e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1116  
   data-arc span      7513 days (20.57 yr)  
   first obs. used      1998-10-12  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5764  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:09:34  

Additional Information
 Earth MOID = .868814 au 
 Jupiter MOID = 2.92641 au 
 T_jup = 3.646 
[ 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 15.3   n/a MPO324810  
diameter diameter 2.135 km 0.201 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.387   0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56454 (2000 GM87)          Discovered 2000-Apr-04 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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