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129156 (2005 EN264)
Classification: Main-belt Asteroid          SPK-ID: 2129156
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1003581545781531 4.4843e-08  
a 2.69343036436036 1.8533e-08 au
q 2.423122663508392 1.2569e-07 au
i 4.425076762980324 5.2368e-06 deg
node 195.8791299667326 5.3836e-05 deg
peri 313.7549019210775 5.8787e-05 deg
M 185.4549194655646 2.4907e-05 deg
tp 2459783.320457883708
(2022-Jul-22.82045788)
0.00011388 TDB
period 1614.570654041071
4.42
1.6664e-05
4.562e-08
d
yr
n .2229694929106784 2.3013e-09 deg/d
Q 2.963738065212329 2.0393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      10324 days (28.27 yr)  
   first obs. used      1992-04-25  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57262  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:39:59  

Additional Information
 Earth MOID = 1.43643 au 
 Jupiter MOID = 2.03984 au 
 T_jup = 3.359 
[ 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 16.2   n/a MPO436625  
diameter diameter 3.180 km 0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129156 (2005 EN264)          Discovered 2005-Mar-13 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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