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JPL Small-Body Database Browser
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109389 (2001 QE169)
Classification: Main-belt Asteroid          SPK-ID: 2109389
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607689700746187 5.1056e-08  
a 2.364401599361534 1.3935e-08 au
q 1.984279189389399 1.2029e-07 au
i 3.822696521048846 5.5684e-06 deg
node 243.0142394967551 7.7718e-05 deg
peri 128.6557805191854 7.9273e-05 deg
M 272.3606517983421 1.8169e-05 deg
tp 2458923.778581417792
(2020-Mar-15.27858142)
6.8681e-05 TDB
period 1327.945628288042
3.64
1.1739e-05
3.214e-08
d
yr
n .2710954366890037 2.3966e-09 deg/d
Q 2.744524009333669 1.6175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      7069 days (19.35 yr)  
   first obs. used      1998-12-15  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6096  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:18:31  

Additional Information
 Earth MOID = .986415 au 
 Jupiter MOID = 2.7303 au 
 T_jup = 3.528 
[ 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 15.9   n/a MPO341324  

109389 (2001 QE169)          Discovered 2001-Aug-26 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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