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362805 (2011 YZ4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2362805
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1066088925833296 5.2698e-08  
a 3.224590316220595 4.0817e-08 au
q 2.880820313573389 1.6302e-07 au
i 5.94280077641037 6.9464e-06 deg
node 73.79860568912139 5.5522e-05 deg
peri 62.03276696593336 6.7353e-05 deg
M 140.8490436329339 3.7912e-05 deg
tp 2458173.012110090556
(2018-Feb-23.51211009)
0.00021705 TDB
period 2114.999382911994
5.79
4.0158e-05
1.099e-07
d
yr
n .1702128156199939 3.2319e-09 deg/d
Q 3.568360318867801 4.5169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      8831 days (24.18 yr)  
   first obs. used      1996-05-20  
   last obs. used      2020-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59166  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:52:34  

Additional Information
 Earth MOID = 1.90113 au 
 Jupiter MOID = 1.49999 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457560.5 (2016-Jun-21.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1070129819619314 5.2774e-08  
q 2.871971740445866 1.648e-07 au
tp 2458162.380834082911
(2018-Feb-12.88083408)
0.00021604 TDB
node 73.83299039910742 5.5381e-05 deg
peri 59.80103104769452 6.7339e-05 deg
i 5.955041994511637 6.9635e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      8831 days (24.18 yr)  
   first obs. used      1996-05-20  
   last obs. used      2020-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59166  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:52:34  

Additional Information
 Jupiter MOID = 1.49999 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.785102555391123E-15 -8.495049889828942E-15 -4.660761601113596E-13 9.989499498993616E-15 -2.01438304013182E-13 -2.452685180740813E-15
q -8.495049889828942E-15 2.715847575394318E-14 4.545388426003983E-12 -3.467497809749277E-14 1.10055784375726E-12 1.102161519458189E-14
tp -4.660761601113596E-13 4.545388426003983E-12 4.667369200882167E-8 -5.55941492933646E-11 8.288874493706714E-9 4.250862635654129E-12
node 9.989499498993616E-15 -3.467497809749277E-14 -5.55941492933646E-11 3.067064806012735E-9 -3.060670797146977E-9 -6.399248869483766E-11
peri -2.01438304013182E-13 1.10055784375726E-12 8.288874493706714E-9 -3.060670797146977E-9 4.534607987601746E-9 6.439362599993007E-11
i -2.452685180740813E-15 1.102161519458189E-14 4.250862635654129E-12 -6.399248869483766E-11 6.439362599993007E-11 4.849047205521064E-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 15.6   n/a MPO437530  

362805 (2011 YZ4)          Discovered 1999-Dec-02 by Ondrejov at Ondrejov
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2011 YZ4 = 1999 XT235 = 2010 OF31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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