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442184 (2011 DB23)
Classification: Main-belt Asteroid          SPK-ID: 2442184
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1953140349926482 4.1234e-08  
a 2.248907910438285 2.4135e-08 au
q 1.809664632123699 9.8482e-08 au
i 6.146910361584516 5.5049e-06 deg
node 154.096154718705 4.8799e-05 deg
peri 121.3166433613843 5.8435e-05 deg
M 190.567196788837 2.2013e-05 deg
tp 2459580.263580402102
(2021-Dec-31.76358040)
7.2797e-05 TDB
period 1231.844630963442
3.37
1.983e-05
5.429e-08
d
yr
n .2922446475400386 4.7046e-09 deg/d
Q 2.688151188752872 2.8849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      5206 days (14.25 yr)  
   first obs. used      2005-08-27  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58506  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:48:28  

Additional Information
 Earth MOID = .802636 au 
 Jupiter MOID = 2.45383 au 
 T_jup = 3.596 
[ 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 17.8   n/a MPO456095  

442184 (2011 DB23)          Discovered 2011-Feb-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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