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91337 (1999 JG14)
Classification: Main-belt Asteroid          SPK-ID: 2091337
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2219601422277873 4.3063e-08  
a 2.614658109589154 1.4547e-08 au
q 2.034308223707708 1.1631e-07 au
i 30.151561823227 7.4638e-06 deg
node 67.16055942603531 8.9656e-06 deg
peri 241.3611323694012 2.09e-05 deg
M 305.1524101115082 2.0549e-05 deg
tp 2459235.775030341882
(2021-Jan-21.27503034)
8.863e-05 TDB
period 1544.261308387026
4.23
1.2887e-05
3.528e-08
d
yr
n .2331211680593217 1.9455e-09 deg/d
Q 3.1950079954706 1.7776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      7735 days (21.18 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52077  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:40:15  

Additional Information
 Earth MOID = 1.13501 au 
 Jupiter MOID = 2.22478 au 
 T_jup = 3.185 
[ 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 15.0   n/a MPO247973  
diameter diameter 5.164 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91337 (1999 JG14)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 JG14 = 2000 WG29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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