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72576 (2001 EN18)
Classification: Main-belt Asteroid          SPK-ID: 2072576
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0697651132416925 3.9215e-08  
a 2.638290424064041 1.3968e-08 au
q 2.45422979386474 1.0187e-07 au
i 13.90802976641731 6.3142e-06 deg
node 356.1473721422637 1.5707e-05 deg
peri 259.4268367879652 4.9934e-05 deg
M 123.0517250304191 4.9519e-05 deg
tp 2458665.483058687654
(2019-Jun-30.98305869)
0.00021403 TDB
period 1565.245012411092
4.29
1.243e-05
3.403e-08
d
yr
n .2299959413034376 1.8265e-09 deg/d
Q 2.822351054263342 1.4942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      22002 days (60.24 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52622  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:50  

Additional Information
 Earth MOID = 1.48561 au 
 Jupiter MOID = 2.26466 au 
 T_jup = 3.351 
[ 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 15.19   n/a MPCxxxxx  
diameter diameter 3.111 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.166   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72576 (2001 EN18)          Discovered 2001-Mar-14 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 EN18 = 1977 RV16 = 2198 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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