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248218 (2005 EA170)
Classification: Main-belt Asteroid          SPK-ID: 2248218
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0506155212508512 7.2962e-08  
a 3.045889434442112 3.726e-08 au
q 2.891720153045364 2.3843e-07 au
i 11.45477838174644 8.1939e-06 deg
node 23.1510282193338 2.5912e-05 deg
peri 15.64845286549308 6.9354e-05 deg
M 74.55926194264877 6.4765e-05 deg
tp 2458598.367912753032
(2019-Apr-24.86791275)
0.00034711 TDB
period 1941.644104796317
5.32
3.5628e-05
9.754e-08
d
yr
n .1854098797563958 3.4022e-09 deg/d
Q 3.20005871583886 3.9146e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      7184 days (19.67 yr)  
   first obs. used      2000-03-03  
   last obs. used      2019-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59829  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:44:37  

Additional Information
 Earth MOID = 1.89943 au 
 Jupiter MOID = 2.04658 au 
 T_jup = 3.206 
[ 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 15.4   n/a MPO460086  
diameter diameter 4.305 km 1.932 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

248218 (2005 EA170)          Discovered 2005-Mar-10 by Lowe, A. at Mayhill
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2005 EA170 = 2008 UM308 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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