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52556 (1997 ET35)
Classification: Main-belt Asteroid          SPK-ID: 2052556
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511671175993629 3.5649e-08  
a 3.189169172692741 1.7843e-08 au
q 2.707071661320034 1.1289e-07 au
i 6.273290498971942 4.935e-06 deg
node 333.7995224237183 3.2264e-05 deg
peri 71.58869722157185 3.6559e-05 deg
M 108.2735533791079 1.6332e-05 deg
tp 2458374.845385290514
(2018-Sep-13.34538529)
9.2808e-05 TDB
period 2080.246323003525
5.70
1.7458e-05
4.78e-08
d
yr
n .1730564289522314 1.4524e-09 deg/d
Q 3.671266684065448 2.0541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1296  
   data-arc span      10726 days (29.37 yr)  
   first obs. used      1991-01-08  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:17:13  

Additional Information
 Earth MOID = 1.72455 au 
 Jupiter MOID = 1.80034 au 
 T_jup = 3.170 
[ 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 14.0   n/a MPO337678  
diameter diameter 8.491 km 0.743 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52556 (1997 ET35)          Discovered 1997-Mar-04 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 ET35 = 2000 QX41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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