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79988 (1999 EK10)
Classification: Main-belt Asteroid          SPK-ID: 2079988
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07357221815318711 4.5289e-08  
a 2.8754015759761 2.3203e-08 au
q 2.663851903950368 1.2646e-07 au
i 1.134306157672693 5.3898e-06 deg
node 314.1174210996662 0.0002596 deg
peri 109.4915100787583 0.00026321 deg
M 227.2994755229211 4.158e-05 deg
tp 2459656.972178233157
(2022-Mar-18.47217823)
0.00020638 TDB
period 1780.927280394867
4.88
2.1557e-05
5.902e-08
d
yr
n .2021418863998651 2.4468e-09 deg/d
Q 3.086951248001831 2.491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      7362 days (20.16 yr)  
   first obs. used      1999-03-14  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57892  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:49:09  

Additional Information
 Earth MOID = 1.67729 au 
 Jupiter MOID = 2.13348 au 
 T_jup = 3.292 
[ 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 15.2   n/a MPO436340  
rotation period rot_per 7.333 h n/a LCDB (Rev. 2019-August); 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.]

79988 (1999 EK10)          Discovered 1999-Mar-14 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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