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JPL Small-Body Database Browser
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243300 (2008 EN123)
Classification: Main-belt Asteroid          SPK-ID: 2243300
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04205700965675329 6.087e-08  
a 3.170027311533968 4.1673e-08 au
q 3.036705442280612 2.0897e-07 au
i 12.24669871002906 6.5581e-06 deg
node 101.8555373751774 3.1656e-05 deg
peri 183.7403725310797 9.3587e-05 deg
M 251.3284821234294 8.5741e-05 deg
tp 2459222.809119232503
(2021-Jan-08.30911923)
0.00049016 TDB
period 2061.545539265923
5.64
4.0651e-05
1.113e-07
d
yr
n .1746262661402033 3.4434e-09 deg/d
Q 3.303349180787324 4.3426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      8835 days (24.19 yr)  
   first obs. used      1995-01-24  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56331  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:43:25  

Additional Information
 Earth MOID = 2.01974 au 
 Jupiter MOID = 1.83007 au 
 T_jup = 3.166 
[ 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 15.2   n/a MPO433594  
diameter diameter 3.994 km 1.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243300 (2008 EN123)          Discovered 2008-Mar-09 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 EN123 = 2002 FO32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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