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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952676996063581 4.1223e-08  
a 2.248861715863586 2.4243e-08 au
q 1.809731661874096 9.8494e-08 au
i 6.14742516046636 5.5054e-06 deg
node 154.0927576445791 4.8791e-05 deg
peri 121.349982066716 5.8436e-05 deg
M 248.9723057757322 2.1734e-05 deg
tp 2459580.401819467184
(2021-Dec-31.90181947)
7.2809e-05 TDB
period 1231.806676376902
3.37
1.9918e-05
5.453e-08
d
yr
n .2922536522198951 4.7258e-09 deg/d
Q 2.687991769853075 2.8977e-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 = .800863 au 
 Jupiter MOID = 2.45319 au 
 T_jup = 3.596 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457418.5 (2016-Jan-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .19545008260941 4.1124e-08  
q 1.80908007458862 9.8314e-08 au
tp 2457117.315853526214
(2015-Apr-04.81585353)
9.0043e-05 TDB
node 154.1302452416728 4.8785e-05 deg
peri 121.362292961848 5.8439e-05 deg
i 6.148031088965746 5.5066e-06 deg
  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
 Jupiter MOID = 2.45319 au 
 T_jup = 3.596 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.691193539476918E-15 -3.966192584202992E-15 -2.21874304922941E-13 -7.136941065218266E-15 -1.115383466753974E-13 -8.287071268901106E-15
q -3.966192584202992E-15 9.665643895519445E-15 -5.812106272413877E-13 3.462118362040178E-14 -1.14795746606521E-13 1.919263925268358E-14
tp -2.21874304922941E-13 -5.812106272413877E-13 8.10765548935849E-9 -8.445152874931511E-11 2.914917259762374E-9 1.647786388767678E-11
node -7.136941065218266E-15 3.462118362040178E-14 -8.445152874931511E-11 2.379952017962198E-9 -2.394038618546116E-9 4.572578066535974E-11
peri -1.115383466753974E-13 -1.14795746606521E-13 2.914917259762374E-9 -2.394038618546116E-9 3.415146061787386E-9 -3.935872320261679E-11
i -8.287071268901106E-15 1.919263925268358E-14 1.647786388767678E-11 4.572578066535974E-11 -3.935872320261679E-11 3.032242423109186E-11

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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