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192248 (2008 EK99)
Classification: Main-belt Asteroid          SPK-ID: 2192248
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03356586219746763 8.0453e-08  
a 2.922375181765809 2.7369e-08 au
q 2.824283139125358 2.4306e-07 au
i 12.93828553762009 8.038e-06 deg
node 65.94416880681256 4.802e-05 deg
peri 351.003898190537 0.00017892 deg
M 326.1643020023685 0.00016983 deg
tp 2459372.004303672087
(2021-Jun-06.50430367)
0.0008607 TDB
period 1824.745844648252
5.00
2.5634e-05
7.018e-08
d
yr
n .197287748897105 2.7715e-09 deg/d
Q 3.020467224406259 2.8287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      7437 days (20.36 yr)  
   first obs. used      2000-10-02  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56855  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:15:19  

Additional Information
 Earth MOID = 1.83675 au 
 Jupiter MOID = 2.16934 au 
 T_jup = 3.240 
[ 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 15.48   n/a MPCxxxxx  
diameter diameter 4.714 km 0.229 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192248 (2008 EK99)          Discovered 2008-Mar-04 by CSS at Catalina
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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