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152691 (1998 QJ103)
Classification: Main-belt Asteroid          SPK-ID: 2152691
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2150550406051863 4.9388e-08  
a 2.262118276773343 8.2205e-09 au
q 1.775638338908117 1.1185e-07 au
i 9.848788651354049 4.9576e-06 deg
node 13.3700403983963 2.2896e-05 deg
peri 8.966892580422329 2.6314e-05 deg
M 176.4446172298352 1.1884e-05 deg
tp 2458591.415843188663
(2019-Apr-17.91584319)
3.9537e-05 TDB
period 1242.714568993974
3.40
6.774e-06
1.855e-08
d
yr
n .2896884039039102 1.5791e-09 deg/d
Q 2.748598214638568 9.9884e-09 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      7908 days (21.65 yr)  
   first obs. used      1998-08-26  
   last obs. used      2020-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50783  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:13  

Additional Information
 Earth MOID = .777728 au 
 Jupiter MOID = 2.71824 au 
 T_jup = 3.569 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.55   n/a E2021B55  

152691 (1998 QJ103)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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