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43962 (1997 EX13)
Classification: Main-belt Asteroid          SPK-ID: 2043962
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1585702382683921 3.0647e-08  
a 2.377320910138431 8.1799e-09 au
q 2.000348566977349 7.4598e-08 au
i 2.138262071572577 4.0988e-06 deg
node 308.1642064633415 9.7137e-05 deg
peri 97.10106611509923 9.8251e-05 deg
M 274.7859799575839 1.5078e-05 deg
tp 2459517.412008243840
(2021-Oct-29.91200824)
5.6906e-05 TDB
period 1338.844510691948
3.67
6.9101e-06
1.892e-08
d
yr
n .2688885805073385 1.3878e-09 deg/d
Q 2.754293253299513 9.477e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1289  
   data-arc span      11608 days (31.78 yr)  
   first obs. used      1988-11-04  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54242  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:24:39  

Additional Information
 Earth MOID = 1.01006 au 
 Jupiter MOID = 2.6294 au 
 T_jup = 3.523 
[ 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 15.33   n/a E2021B10  
diameter diameter 2.797 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.171   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

43962 (1997 EX13)          Discovered 1997-Mar-03 by Spacewatch at Kitt Peak
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 EX13 = 1988 VW13 = 1999 TW13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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