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52905 (1998 SN75)
Classification: Main-belt Asteroid          SPK-ID: 2052905
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 .2513220916062229 4.0627e-08  
a 2.370765407212245 9.4365e-09 au
q 1.774939686363985 9.9099e-08 au
i 3.299797797818901 3.9392e-06 deg
node 134.1627818940458 6.6734e-05 deg
peri 213.6297396899615 6.7101e-05 deg
M 353.9195945721132 9.3991e-06 deg
tp 2459023.019634452657
(2020-Jun-22.51963445)
3.4892e-05 TDB
period 1333.310500279278
3.65
7.9606e-06
2.179e-08
d
yr
n .2700046237726274 1.6121e-09 deg/d
Q 2.966591128060506 1.1808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      7614 days (20.85 yr)  
   first obs. used      1998-08-28  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:38:00  

Additional Information
 Earth MOID = .769319 au 
 Jupiter MOID = 2.45923 au 
 T_jup = 3.499 
[ 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 15.6   n/a MPO385156  
diameter diameter 1.706 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.420   0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52905 (1998 SN75)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SN75 = 2000 DK32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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