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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1878155519581844 1.5071e-08  
a 2.45962064318069 9.5776e-09 au
q 1.997665634473964 3.9295e-08 au
i 7.351535014594257 1.0707e-06 deg
node 45.07202410125268 6.6306e-06 deg
peri 113.6976070743777 8.1983e-06 deg
M 22.27579112109673 7.2257e-06 deg
tp 2459113.317110846131
(2020-Sep-20.81711085)
2.8073e-05 TDB
period 1408.966349377747
3.86
8.2296e-06
2.253e-08
d
yr
n .2555064570271601 1.4924e-09 deg/d
Q 2.921575651887415 1.1376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1972  
   data-arc span      12773 days (34.97 yr)  
   first obs. used      1986-04-02  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .465  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:02:59  

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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