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101015 (1998 QE55)
Classification: Main-belt Asteroid          SPK-ID: 2101015
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 .2048605313075764 5.8014e-08  
a 2.64352729816058 1.6195e-08 au
q 2.101972891333321 1.5291e-07 au
i 16.95288844795769 5.9817e-06 deg
node 351.9318122476614 1.6121e-05 deg
peri 346.9157677891997 1.9493e-05 deg
M 81.41869023195443 1.1777e-05 deg
tp 2458845.444914906723
(2019-Dec-27.94491491)
4.9839e-05 TDB
period 1569.907723514498
4.30
1.4427e-05
3.95e-08
d
yr
n .2293128408809153 2.1073e-09 deg/d
Q 3.185081704987838 1.9513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      8164 days (22.35 yr)  
   first obs. used      1998-08-27  
   last obs. used      2021-01-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55591  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:48  

Additional Information
 Earth MOID = 1.09539 au 
 Jupiter MOID = 2.2389 au 
 T_jup = 3.303 
[ 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 15.41   n/a E2021B55  

101015 (1998 QE55)          Discovered 1998-Aug-27 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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