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101832 (1999 JL55)
Classification: Main-belt Asteroid          SPK-ID: 2101832
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1080262539589659 3.0669e-08  
a 2.423357211086461 1.2395e-08 au
q 2.161571009568343 7.1813e-08 au
i 7.16624807204343 3.6122e-06 deg
node 101.803210618686 3.431e-05 deg
peri 209.7202367519174 4.2006e-05 deg
M 197.6893548393879 2.6378e-05 deg
tp 2459821.753835671946
(2022-Aug-30.25383567)
0.00010318 TDB
period 1377.921827743275
3.77
1.0572e-05
2.894e-08
d
yr
n .2612630069077277 2.0045e-09 deg/d
Q 2.685143412604578 1.3734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      7974 days (21.83 yr)  
   first obs. used      1999-05-10  
   last obs. used      2021-03-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:51  

Additional Information
 Earth MOID = 1.14811 au 
 Jupiter MOID = 2.52945 au 
 T_jup = 3.493 
[ 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 15.60   n/a E2021B55  

101832 (1999 JL55)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 JL55 = 2000 UB107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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