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91338 (1999 JR14)
Classification: Main-belt Asteroid          SPK-ID: 2091338
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07264437487115649 4.1873e-08  
a 2.408013386606436 1.0361e-08 au
q 2.233084759455035 1.0154e-07 au
i 5.904451247839308 4.8572e-06 deg
node 193.7295985703691 3.1727e-05 deg
peri 351.2863125763664 4.0538e-05 deg
M 263.4818614082938 2.7066e-05 deg
tp 2459366.425950148455
(2021-May-31.92595015)
0.00010373 TDB
period 1364.855808198975
3.74
8.8088e-06
2.412e-08
d
yr
n .2637641264647917 1.7023e-09 deg/d
Q 2.582942013757837 1.1114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1145  
   data-arc span      8924 days (24.43 yr)  
   first obs. used      1996-05-18  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51275  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:40:14  

Additional Information
 Earth MOID = 1.23446 au 
 Jupiter MOID = 2.37504 au 
 T_jup = 3.511 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO502690  
diameter diameter 2.393 km 0.455 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.371   0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91338 (1999 JR14)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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Alternate Designations
 1999 JR14 = 2000 QJ92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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