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91383 (1999 JR116)
Classification: Main-belt Asteroid          SPK-ID: 2091383
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1235505793680723 3.9377e-08  
a 2.440389097673729 1.2056e-08 au
q 2.138877610772613 9.5874e-08 au
i 5.322891457327537 4.1433e-06 deg
node 242.8404257575145 4.4012e-05 deg
peri 291.70438576295 4.7015e-05 deg
M 341.0838647883255 1.8817e-05 deg
tp 2459469.667286667694
(2021-Sep-12.16728667)
7.3076e-05 TDB
period 1392.473827534984
3.81
1.0318e-05
2.825e-08
d
yr
n .2585326868493372 1.9158e-09 deg/d
Q 2.741900584574846 1.3545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      8030 days (21.98 yr)  
   first obs. used      1999-05-07  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53945  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:40:26  

Additional Information
 Earth MOID = 1.15077 au 
 Jupiter MOID = 2.25033 au 
 T_jup = 3.486 
[ 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 15.70   n/a MPCxxxxx  
diameter diameter 1.664 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.367   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91383 (1999 JR116)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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