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101854 (1999 JO115)
Classification: Main-belt Asteroid          SPK-ID: 2101854
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115875771278575 4.9415e-08  
a 2.138896307399428 9.4498e-09 au
q 1.891050048094623 1.0421e-07 au
i 3.470548044798602 3.8714e-06 deg
node 224.6421721641187 9.9119e-05 deg
peri 57.41752190509956 0.0001022 deg
M 287.3685361809994 2.3389e-05 deg
tp 2459431.018252799642
(2021-Aug-04.51825280)
7.4196e-05 TDB
period 1142.570542357177
3.13
7.572e-06
2.073e-08
d
yr
n .3150790140775929 2.0881e-09 deg/d
Q 2.386742566704232 1.0545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      7570 days (20.73 yr)  
   first obs. used      1999-05-13  
   last obs. used      2020-02-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62748  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:01  

Additional Information
 Earth MOID = .875514 au 
 Jupiter MOID = 2.71533 au 
 T_jup = 3.704 
[ 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 16.56   n/a E2021B55  

101854 (1999 JO115)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 JO115 = 2002 JM41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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