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259297 (2003 EF45)
Classification: Main-belt Asteroid          SPK-ID: 2259297
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2462467879790364 6.8516e-08  
a 3.024711333997705 2.7055e-08 au
q 2.279885883436984 1.9717e-07 au
i 6.704322222158011 7.0894e-06 deg
node 312.2066462238136 4.3148e-05 deg
peri 216.9817638911375 4.4606e-05 deg
M 109.4797029763988 1.4178e-05 deg
tp 2458416.173695748890
(2018-Oct-24.67369575)
7.1408e-05 TDB
period 1921.428938985591
5.26
2.578e-05
7.058e-08
d
yr
n .1873605589546602 2.5138e-09 deg/d
Q 3.769536784558426 3.3717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      6846 days (18.74 yr)  
   first obs. used      2001-11-24  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54059  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:11:04  

Additional Information
 Earth MOID = 1.29096 au 
 Jupiter MOID = 1.26717 au 
 T_jup = 3.188 
[ 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 15.5   n/a MPO260500  
rotation period rot_per 19.8722 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

259297 (2003 EF45)          Discovered 2003-Mar-07 by LINEAR at Socorro
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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