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91336 (1999 JW13)
Classification: Main-belt Asteroid          SPK-ID: 2091336
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0636983767856748 5.2108e-08  
a 2.443843662458052 1.251e-08 au
q 2.288174788041516 1.2207e-07 au
i 5.89237606441468 3.9281e-06 deg
node 75.68883134007451 4.7785e-05 deg
peri 113.0226508458996 5.6527e-05 deg
M 226.3051301646983 3.1869e-05 deg
tp 2459518.727909535423
(2021-Oct-31.22790954)
0.00012488 TDB
period 1395.431609773641
3.82
1.0715e-05
2.934e-08
d
yr
n .2579846962606769 1.981e-09 deg/d
Q 2.599512536874589 1.3307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      7471 days (20.45 yr)  
   first obs. used      1999-05-10  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63481  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:54:59  

Additional Information
 Earth MOID = 1.2951 au 
 Jupiter MOID = 2.36852 au 
 T_jup = 3.490 
[ 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 15.7   n/a MPO432451  
diameter diameter 4.392 km 0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91336 (1999 JW13)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 JW13 = 2000 SK246 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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