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146059 (2000 ER181)
Classification: Main-belt Asteroid          SPK-ID: 2146059
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206896309681153 6.1541e-08  
a 2.577991221738539 1.9761e-08 au
q 2.266854412547874 1.5517e-07 au
i 9.931771159846461 6.3014e-06 deg
node 72.08646900032271 3.9665e-05 deg
peri 176.9623015086121 5.0183e-05 deg
M 293.2586124954578 2.9213e-05 deg
tp 2459480.793681939163
(2021-Sep-23.29368194)		 0.00012198 TDB
period 1511.891335660821
4.14		 1.7383e-05
4.759e-08		 d
yr
n .2381123507415633 2.7378e-09 deg/d
Q 2.889128030929204 2.2146e-08 au
   Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      7673 days (21.01 yr)  
   first obs. used      2000-03-04  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57031  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:59:32  

Additional Information
 Earth MOID = 1.25132 au 
 Jupiter MOID = 2.13914 au 
 T_jup = 3.395 
[ 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 15.9   n/a MPO320579  
diameter diameter 4.350 km 0.318 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146059 (2000 ER181)          Discovered 2000-Mar-04 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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