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4354 Euclides (2142 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2004354
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058970618731283 3.0199e-08  
a 2.802148926016454 1.217e-08 au
q 2.225194695218724 8.3684e-08 au
i 7.405941055652845 4.0887e-06 deg
node 192.6109122376703 2.7573e-05 deg
peri 243.6798774513119 2.9578e-05 deg
M 229.5556498571012 1.2357e-05 deg
tp 2459621.309021189630
(2022-Feb-10.80902119)
6.0793e-05 TDB
period 1713.307225521361
4.69
1.1162e-05
3.056e-08
d
yr
n .2101199333297924 1.3689e-09 deg/d
Q 3.379103156814184 1.4676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1821  
   data-arc span      24244 days (66.38 yr)  
   first obs. used      1954-07-02  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46436  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:17:08  

Additional Information
 Earth MOID = 1.25178 au 
 Jupiter MOID = 1.96428 au 
 T_jup = 3.281 
[ 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 13.5   n/a MPO302089  
diameter diameter 12.339 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4354 Euclides (2142 P-L)          Discovered 1960-Sep-24 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 2142 P-L = 1971 BL2 = 1979 YO6 = 1983 RF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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