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43641 (2002 EG40)
Classification: Main-belt Asteroid          SPK-ID: 2043641
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004090526607019 4.3723e-08  
a 2.93560491226151 1.4986e-08 au
q 2.347283112809078 1.3228e-07 au
i 4.359311249087594 4.4289e-06 deg
node 342.6900433334229 4.1955e-05 deg
peri 191.7166981713795 4.2652e-05 deg
M 265.2552623333773 9.2703e-06 deg
tp 2459684.001062019633
(2022-Apr-14.50106202)
4.979e-05 TDB
period 1837.150923775128
5.03
1.4068e-05
3.852e-08
d
yr
n .1959555937082418 1.5005e-09 deg/d
Q 3.523926711713942 1.799e-08 au
  Orbit Determination Parameters
   # obs. used (total)      992  
   data-arc span      9624 days (26.35 yr)  
   first obs. used      1994-09-12  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57381  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:21:26  

Additional Information
 Earth MOID = 1.35214 au 
 Jupiter MOID = 1.44935 au 
 T_jup = 3.240 
[ 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 14.88   n/a E2021B10  
diameter diameter 6.824 km 2.564 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.037   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

43641 (2002 EG40)          Discovered 2002-Mar-09 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 EG40 = 1994 RZ13 = 1997 EC49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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