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213469 (2002 EX60)
Classification: Main-belt Asteroid          SPK-ID: 2213469
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1721918239077718 4.3037e-08  
a 2.247344867541901 8.6141e-09 au
q 1.860370455850091 9.6082e-08 au
i 4.68316034493743 4.3455e-06 deg
node 315.0926419975445 5.5077e-05 deg
peri 341.7740521310501 5.7502e-05 deg
M 93.22807014231374 1.8561e-05 deg
tp 2458881.825580037714
(2020-Feb-02.32558004)
6.2674e-05 TDB
period 1230.560613464347
3.37
7.0751e-06
1.937e-08
d
yr
n .2925495876115413 1.682e-09 deg/d
Q 2.63431927923371 1.0097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      550  
   data-arc span      6907 days (18.91 yr)  
   first obs. used      2002-02-11  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51918  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:49  

Additional Information
 Earth MOID = .843273 au 
 Jupiter MOID = 2.56831 au 
 T_jup = 3.606 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO268200  
rotation period rot_per 7.174 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

213469 (2002 EX60)          Discovered 2002-Mar-13 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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