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152916 (2000 EL4)
Classification: Main-belt Asteroid          SPK-ID: 2152916
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1056336908453574 3.6314e-08  
a 2.260197791166173 1.0143e-08 au
q 2.021444756444766 8.3499e-08 au
i 2.589630574031181 4.797e-06 deg
node 160.2062402699861 9.2385e-05 deg
peri 297.1023604962242 9.6892e-05 deg
M 86.96169007104329 2.606e-05 deg
tp 2458900.691758657426
(2020-Feb-21.19175866)
9.0264e-05 TDB
period 1241.132351442944
3.40
8.3547e-06
2.287e-08
d
yr
n .2900577038230153 1.9525e-09 deg/d
Q 2.49895082588758 1.1214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      7288 days (19.95 yr)  
   first obs. used      2000-03-02  
   last obs. used      2020-02-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:29:14  

Additional Information
 Earth MOID = 1.03963 au 
 Jupiter MOID = 2.62232 au 
 T_jup = 3.612 
[ 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 17.50   n/a E2021B55  
diameter diameter 1.716 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

152916 (2000 EL4)          Discovered 2000-Mar-02 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2000 EL4 = 2005 QA135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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