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249215 (2008 EO19)
Classification: Main-belt Asteroid          SPK-ID: 2249215
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0984864808644253 5.3714e-08  
a 3.038452342807211 3.0351e-08 au
q 2.739205864289861 1.6327e-07 au
i 2.902191629524273 5.7398e-06 deg
node 190.3531350326293 8.7402e-05 deg
peri 213.6156713099096 8.9962e-05 deg
M 242.3070360055133 2.0555e-05 deg
tp 2459632.948358708796
(2022-Feb-22.44835871)
0.00011239 TDB
period 1934.537132957518
5.30
2.8986e-05
7.936e-08
d
yr
n .1860910260479892 2.7883e-09 deg/d
Q 3.337698821324562 3.3341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      6806 days (18.63 yr)  
   first obs. used      2000-10-07  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54411  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:20:35  

Additional Information
 Earth MOID = 1.7486 au 
 Jupiter MOID = 2.02865 au 
 T_jup = 3.231 
[ 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 16.3   n/a MPO476001  
diameter diameter 4.122 km 1.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 1.00 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.038   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249215 (2008 EO19)          Discovered 2008-Mar-02 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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