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65854 (1997 EH46)
Classification: Main-belt Asteroid          SPK-ID: 2065854
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3193186870377607 5.247e-08  
a 2.599581686111615 1.3316e-08 au
q 1.769486675255046 1.3344e-07 au
i 12.56186153303362 5.0565e-06 deg
node 326.0572544123698 2.4668e-05 deg
peri 25.12667725014346 2.6338e-05 deg
M 340.5196740450026 1.4186e-05 deg
tp 2459083.341384527218
(2020-Aug-21.84138453)
6.0816e-05 TDB
period 1530.923994736748
4.19
1.1763e-05
3.221e-08
d
yr
n .2351521050278556 1.8068e-09 deg/d
Q 3.429676696968184 1.7568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      14907 days (40.81 yr)  
   first obs. used      1978-08-08  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50858  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:46:57  

Additional Information
 Earth MOID = .770622 au 
 Jupiter MOID = 2.04057 au 
 T_jup = 3.309 
[ 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 14.3   n/a MPO436241  
diameter diameter 7.438 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65854 (1997 EH46)          Discovered 1997-Mar-07 by Bickel, W. at Bergisch Gladbach
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 EH46 = 1978 PF2 = 1999 RF30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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