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120561 (1995 EJ5)
Classification: Main-belt Asteroid          SPK-ID: 2120561
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1259523618687584 4.6548e-08  
a 3.149059979064148 2.2218e-08 au
q 2.752428437034636 1.4226e-07 au
i 9.3208430733431 5.2649e-06 deg
node 157.2048717939838 2.9964e-05 deg
peri 177.5524660661223 3.6822e-05 deg
M 64.75364283776791 2.0693e-05 deg
tp 2458833.360146355487
(2019-Dec-15.86014636)		 0.0001166 TDB
period 2041.126051288894
5.59		 2.1601e-05
5.914e-08		 d
yr
n .176373232693137 1.8666e-09 deg/d
Q 3.54569152109366 2.5016e-08 au
   Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      9447 days (25.86 yr)  
   first obs. used      1995-03-02  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57457  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:25:23  

Additional Information
 Earth MOID = 1.74076 au 
 Jupiter MOID = 1.84422 au 
 T_jup = 3.175 
[ 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 15.1   n/a MPO439779  
diameter diameter 5.565 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120561 (1995 EJ5)          Discovered 1995-Mar-02 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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