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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205582788422201 2.978e-08  
a 2.797412881509653 1.1765e-08 au
q 2.222312940960714 8.2617e-08 au
i 7.417896632654266 4.0392e-06 deg
node 192.4449826414333 2.7082e-05 deg
peri 244.3534036374591 2.9079e-05 deg
M 312.2627115348604 1.2428e-05 deg
tp 2459623.114935036538
(2022-Feb-12.61493504)
5.9666e-05 TDB
period 1708.965448943105
4.68
1.0781e-05
2.952e-08
d
yr
n .2106537614453463 1.3289e-09 deg/d
Q 3.372512822058591 1.4184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1854  
   data-arc span      24459 days (66.97 yr)  
   first obs. used      1954-07-02  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:22:54  

Additional Information
 Earth MOID = 1.24899 au 
 Jupiter MOID = 1.97015 au 
 T_jup = 3.283 
[ 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 13.53   n/a MPCxxxxx  
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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