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11837 (1986 GD)
Classification: Main-belt Asteroid          SPK-ID: 2011837
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1878155517248235 1.5104e-08  
a 2.459620644015417 9.6024e-09 au
q 1.997665635725896 3.9408e-08 au
i 7.351535021207527 1.0708e-06 deg
node 45.07202403187736 6.6314e-06 deg
peri 113.6976070022944 8.2002e-06 deg
M 22.27579091552686 7.2416e-06 deg
tp 2459113.317111606308
(2020-Sep-20.81711161)
2.8133e-05 TDB
period 1408.966350094993
3.86
8.251e-06
2.259e-08
d
yr
n .2555064568970924 1.4963e-09 deg/d
Q 2.921575652304938 1.1406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1962  
   data-arc span      12750 days (34.91 yr)  
   first obs. used      1986-04-02  
   last obs. used      2021-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46587  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 22:49:41  

Additional Information
 Earth MOID = 1.01904 au 
 Jupiter MOID = 2.08665 au 
 T_jup = 3.455 
[ 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 14.02   n/a E2021B10  
diameter diameter 4.754 km 0.426 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.236   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11837 (1986 GD)          Discovered 1986-Apr-02 by Jensen, P. at Brorfelde
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1986 GD = 1988 UR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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