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91368 (1999 JB89)
Classification: Main-belt Asteroid          SPK-ID: 2091368
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1609634372467204 3.2948e-08  
a 2.646527996584671 1.2076e-08 au
q 2.220533753484725 8.6075e-08 au
i 12.87549336398561 3.9386e-06 deg
node 110.0571583265571 1.7838e-05 deg
peri 120.20138667 2.322e-05 deg
M 44.2170796192485 1.4067e-05 deg
tp 2459203.347327921555
(2020-Dec-19.84732792)
6.1161e-05 TDB
period 1572.581512551326
4.31
1.0764e-05
2.947e-08
d
yr
n .2289229506557932 1.5669e-09 deg/d
Q 3.072522239684616 1.402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      10078 days (27.59 yr)  
   first obs. used      1994-01-05  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54685  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:02:05  

Additional Information
 Earth MOID = 1.23992 au 
 Jupiter MOID = 2.04773 au 
 T_jup = 3.338 
[ 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 15.39   n/a MPO637242  
diameter diameter 5.889 km 0.390 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91368 (1999 JB89)          Discovered 1999-May-12 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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