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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457165.5 (2015-May-23.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879993345255697 1.5122e-08  
q 1.997354995988818 3.9419e-08 au
tp 2457705.327565990513
(2016-Nov-12.82756599)
2.5904e-05 TDB
node 45.0853018102202 6.6319e-06 deg
peri 113.9204058622803 8.1904e-06 deg
i 7.351190201430016 1.0705e-06 deg
  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
 Jupiter MOID = 2.08665 au 
 T_jup = 3.455 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.286720354429905E-16 -5.848805079119341E-16 -6.425614536163222E-14 7.915818949634232E-15 -5.403028788834355E-15 -8.004072948864769E-15
q -5.848805079119341E-16 1.553843913954434E-15 1.804937630479076E-13 -1.974539502225026E-14 1.22401177965851E-14 1.947723462185713E-14
tp -6.425614536163222E-14 1.804937630479076E-13 6.710039347130808E-10 1.666200892043933E-11 1.239509339124163E-10 -7.762340194335165E-12
node 7.915818949634232E-15 -1.974539502225026E-14 1.666200892043933E-11 4.398225133856466E-11 -3.971291454268546E-11 -1.605017809167439E-12
peri -5.403028788834355E-15 1.22401177965851E-14 1.239509339124163E-10 -3.971291454268546E-11 6.708293079902168E-11 -7.566482883201953E-13
i -8.004072948864769E-15 1.947723462185713E-14 -7.762340194335165E-12 -1.605017809167439E-12 -7.566482883201953E-13 1.146060243438401E-12

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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