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541523 (2011 QE98)
Classification: Outer Main-belt Asteroid          SPK-ID: 2541523
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3044176914627834 6.2359e-08  
a 3.964618354127783 1.2649e-07 au
q 2.757718387233223 2.3361e-07 au
i 10.36275539878044 6.9871e-06 deg
node 56.04786844184922 3.79e-05 deg
peri 332.4493258180195 4.2224e-05 deg
M 49.43995601691056 1.2412e-05 deg
tp 2458804.517418465383
(2019-Nov-17.01741847)
9.9522e-05 TDB
period 2883.370877265804
7.89
0.00013799
3.778e-07
d
yr
n .124853865605168 5.9749e-09 deg/d
Q 5.171518321022343 1.6499e-07 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      3453 days (9.45 yr)  
   first obs. used      2011-08-29  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64579  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:30  

Additional Information
 Earth MOID = 1.76731 au 
 Jupiter MOID = .343186 au 
 T_jup = 2.948 
[ 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 15.98   n/a MPCxxxxx  

541523 (2011 QE98)          Discovered 2011-Sep-08 by Palomar Transient Factory at Palomar
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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