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43537 (2001 EF2)
Classification: Main-belt Asteroid          SPK-ID: 2043537
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2018506426755474 4.11e-08  
a 2.624038009076279 1.3066e-08 au
q 2.094374250539168 1.0462e-07 au
i 18.35214917023093 4.918e-06 deg
node 119.3408726152201 1.3447e-05 deg
peri 200.6063871391094 1.7729e-05 deg
M 89.78770006086499 1.1806e-05 deg
tp 2458813.270927947860
(2019-Nov-25.77092795)
5.0268e-05 TDB
period 1552.578647679724
4.25
1.1596e-05
3.175e-08
d
yr
n .2318723116139771 1.7319e-09 deg/d
Q 3.15370176761339 1.5704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1571  
   data-arc span      8279 days (22.67 yr)  
   first obs. used      1998-07-03  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45816  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:20:42  

Additional Information
 Earth MOID = 1.08626 au 
 Jupiter MOID = 2.16124 au 
 T_jup = 3.303 
[ 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 14.03   n/a MPCxxxxx  
diameter diameter 6.781 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.76 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
geometric albedo albedo 0.106   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43537 (2001 EF2)          Discovered 2001-Mar-01 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 EF2 = 2000 CM3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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