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181749 (1996 EX8)
Classification: Main-belt Asteroid          SPK-ID: 2181749
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607287091292529 4.6677e-08  
a 3.14578424519175 3.1368e-08 au
q 2.640166404262939 1.5138e-07 au
i 5.847788070065837 4.9843e-06 deg
node 141.1037520092421 5.2438e-05 deg
peri 252.0546374468541 5.4853e-05 deg
M 277.7798542092108 2.0146e-05 deg
tp 2459665.944141458225
(2022-Mar-27.44414146)
0.00011796 TDB
period 2037.942031279297
5.58
3.0482e-05
8.346e-08
d
yr
n .1766487929855462 2.6422e-09 deg/d
Q 3.651402086120561 3.641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      21827 days (59.76 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63281  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:53  

Additional Information
 Earth MOID = 1.65244 au 
 Jupiter MOID = 1.82128 au 
 T_jup = 3.181 
[ 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 15.46   n/a E2021B55  
diameter diameter 3.493 km 0.777 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.110   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181749 (1996 EX8)          Discovered 1996-Mar-12 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 1996 EX8 = 2005 UP80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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