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181104 (2005 QD72)
Classification: Main-belt Asteroid          SPK-ID: 2181104
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906430037831424 4.1179e-08  
a 2.398111721375933 1.1217e-08 au
q 1.940928499405263 9.7269e-08 au
i 2.009487812848001 5.7419e-06 deg
node 205.1830360079817 0.00011575 deg
peri 99.21584794598928 0.0001166 deg
M 69.59592265319216 1.3892e-05 deg
tp 2458938.269115034655
(2020-Mar-29.76911503)
5.1898e-05 TDB
period 1356.446110470439
3.71
9.5173e-06
2.606e-08
d
yr
n .2653994119052365 1.8621e-09 deg/d
Q 2.855294943346603 1.3356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      10161 days (27.82 yr)  
   first obs. used      1993-03-19  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60009  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:14  

Additional Information
 Earth MOID = .925036 au 
 Jupiter MOID = 2.38507 au 
 T_jup = 3.502 
[ 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 16.93   n/a MPCxxxxx  

181104 (2005 QD72)          Discovered 2005-Aug-29 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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