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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1236792973352424 4.2675e-08  
a 2.439802643670312 1.3313e-08 au
q 2.138049567064501 1.0208e-07 au
i 5.323912700464777 4.2618e-06 deg
node 242.847017881203 4.6163e-05 deg
peri 291.8298032228514 4.9211e-05 deg
M 238.5747204406679 1.9685e-05 deg
tp 2459470.001608477173
(2021-Sep-12.50160848)
7.8395e-05 TDB
period 1391.971916104948
3.81
1.1393e-05
3.119e-08
d
yr
n .258625907487675 2.1169e-09 deg/d
Q 2.741555720276123 1.496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      7503 days (20.54 yr)  
   first obs. used      1999-05-07  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55902  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:16:42  

Additional Information
 Earth MOID = 1.1491 au 
 Jupiter MOID = 2.25241 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 15.6   n/a MPO436410  
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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