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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07241324777890006 3.9128e-08  
a 2.407839968985192 8.0678e-09 au
q 2.233480456699128 9.7018e-08 au
i 5.905021980828348 4.0561e-06 deg
node 193.7181385206968 2.8029e-05 deg
peri 351.2103321663301 3.4885e-05 deg
M 7.997931275082546 2.0403e-05 deg
tp 2459366.180989531495
(2021-May-31.68098953)
7.7331e-05 TDB
period 1364.708371859474
3.74
6.8589e-06
1.878e-08
d
yr
n .2637926222358294 1.3258e-09 deg/d
Q 2.582199481271255 8.652e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1441  
   data-arc span      9155 days (25.07 yr)  
   first obs. used      1996-05-18  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48583  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:17:26  

Additional Information
 Earth MOID = 1.23566 au 
 Jupiter MOID = 2.3738 au 
 T_jup = 3.511 
[ 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 15.13   n/a MPCxxxxx  
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

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