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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1513662272021874 3.5431e-08  
a 3.188392204737786 1.772e-08 au
q 2.705777305865763 1.1229e-07 au
i 6.273746151950188 4.8004e-06 deg
node 333.801673548947 3.2082e-05 deg
peri 71.5165549721637 3.6018e-05 deg
M 142.9587580714709 1.5889e-05 deg
tp 2458374.720113157220
(2018-Sep-13.22011316)
8.9469e-05 TDB
period 2079.486162818916
5.69
1.7336e-05
4.746e-08
d
yr
n .1731196900641984 1.4432e-09 deg/d
Q 3.671007103609809 2.0402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1312  
   data-arc span      11031 days (30.20 yr)  
   first obs. used      1991-01-08  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52244  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:18:51  

Additional Information
 Earth MOID = 1.7223 au 
 Jupiter MOID = 1.80178 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 14.04   n/a MPCxxxxx  
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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