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85722 (1998 SX63)
Classification: Main-belt Asteroid          SPK-ID: 2085722
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545250356071509 3.5841e-08  
a 3.062412096081059 2.3848e-08 au
q 2.589192757890364 1.1333e-07 au
i 5.759480351915617 4.2414e-06 deg
node 72.1719416448077 5.214e-05 deg
peri 356.2131046166017 5.5085e-05 deg
M 336.1501173679942 1.8361e-05 deg
tp 2459130.181378843291
(2020-Oct-07.68137884)
0.00010043 TDB
period 1957.464407851407
5.36
2.2865e-05
6.26e-08
d
yr
n .1839113899369188 2.1483e-09 deg/d
Q 3.535631434271754 2.7533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      7732 days (21.17 yr)  
   first obs. used      1998-09-20  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55655  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:03:18  

Additional Information
 Earth MOID = 1.60339 au 
 Jupiter MOID = 1.76592 au 
 T_jup = 3.207 
[ 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 15.0   n/a MPO493476  
diameter diameter 4.976 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85722 (1998 SX63)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 SX63 = 2000 CA125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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