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109184 (2001 QE69)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109184
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2224656669577628 5.6058e-08  
a 3.950196148921385 4.0095e-08 au
q 3.071413128037603 2.1879e-07 au
i 7.580896150541525 4.6434e-06 deg
node 258.1289119675538 4.0826e-05 deg
peri 73.27685255657398 4.1916e-05 deg
M 151.4511135055718 1.3103e-05 deg
tp 2457794.085943507970
(2017-Feb-09.58594351)
9.6242e-05 TDB
period 2867.651813739572
7.85
4.366e-05
1.195e-07
d
yr
n .1255382533803993 1.9113e-09 deg/d
Q 4.828979169805168 4.9014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      9750 days (26.69 yr)  
   first obs. used      1993-06-16  
   last obs. used      2020-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53647  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:13:34  

Additional Information
 Earth MOID = 2.07263 au 
 Jupiter MOID = .790846 au 
 T_jup = 3.001 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457083.5 (2015-Mar-02.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .220969722174591 5.6084e-08  
q 3.07429701957694 2.1852e-07 au
tp 2457794.031981541288
(2017-Feb-09.53198154)
9.6666e-05 TDB
node 258.1522404304313 4.0819e-05 deg
peri 73.41593207078141 4.1925e-05 deg
i 7.581834386785675 4.6437e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      9750 days (26.69 yr)  
   first obs. used      1993-06-16  
   last obs. used      2020-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53647  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:13:34  

Additional Information
 Jupiter MOID = .790846 au 
 T_jup = 3.001 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.14540367848963E-15 -1.21353556266894E-14 1.682211695759981E-12 -2.22685930633187E-14 9.823895571787599E-14 -1.146372256305458E-16
q -1.21353556266894E-14 4.774981984615953E-14 -5.550726966632944E-12 8.394177431915256E-14 -3.064098853222578E-13 9.74089753718394E-16
tp 1.682211695759981E-12 -5.550726966632944E-12 9.344379265492949E-9 -1.693216273334367E-11 9.911825132961285E-10 -2.297836765749003E-12
node -2.22685930633187E-14 8.394177431915256E-14 -1.693216273334367E-11 1.66616806996948E-9 -1.652514641964347E-9 3.447101252957358E-11
peri 9.823895571787599E-14 -3.064098853222578E-13 9.911825132961285E-10 -1.652514641964347E-9 1.757682978768772E-9 -3.443224260771096E-11
i -1.146372256305458E-16 9.74089753718394E-16 -2.297836765749003E-12 3.447101252957358E-11 -3.443224260771096E-11 2.156419544988742E-11

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 13.3   n/a MPO257514  

109184 (2001 QE69)          Discovered 2001-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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