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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1236792887900541 4.2666e-08  
a 2.439802641416754 1.3287e-08 au
q 2.138049585938234 1.0207e-07 au
i 5.323914830663894 4.2487e-06 deg
node 242.8470554222998 4.6058e-05 deg
peri 291.8297527172253 4.9099e-05 deg
M 238.5747373403183 1.9673e-05 deg
tp 2459470.001542482685
(2021-Sep-12.50154248)
7.8355e-05 TDB
period 1391.971914176376
3.81
1.1371e-05
3.113e-08
d
yr
n .2586259078460002 2.1126e-09 deg/d
Q 2.741555696895273 1.493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      7567 days (20.72 yr)  
   first obs. used      1999-05-07  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54943  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:28:53  

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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