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43769 (1988 EK)
Classification: Main-belt Asteroid          SPK-ID: 2043769
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2756923093397594 2.8266e-08  
a 2.62361200308303 1.137e-08 au
q 1.900302351141557 7.4825e-08 au
i 15.33226285346479 3.7656e-06 deg
node 173.3987921283565 1.2275e-05 deg
peri 330.1902219666786 1.5069e-05 deg
M 270.0087623756469 1.1839e-05 deg
tp 2459588.512363829936
(2022-Jan-09.01236383)
5.2784e-05 TDB
period 1552.200577147925
4.25
1.009e-05
2.762e-08
d
yr
n .2319287889078603 1.5077e-09 deg/d
Q 3.346921655024502 1.4505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1730  
   data-arc span      12047 days (32.98 yr)  
   first obs. used      1988-03-13  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48923  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:22:15  

Additional Information
 Earth MOID = .924895 au 
 Jupiter MOID = 1.72474 au 
 T_jup = 3.300 
[ 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 14.06   n/a E2021B10  

43769 (1988 EK)          Discovered 1988-Mar-10 by Alu, J. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 EK = 1999 TK37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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