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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1542455918449564 3.6056e-08  
a 3.062123729095973 2.4148e-08 au
q 2.58980464219908 1.1366e-07 au
i 5.759570940550635 4.2719e-06 deg
node 72.17157830540856 5.2181e-05 deg
peri 356.2054821942779 5.5137e-05 deg
M 262.5588521559674 1.8098e-05 deg
tp 2459130.251774068703
(2020-Oct-07.75177407)
0.00010069 TDB
period 1957.187932247993
5.36
2.3151e-05
6.338e-08
d
yr
n .1839373695639489 2.1758e-09 deg/d
Q 3.534442815992866 2.7872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      7685 days (21.04 yr)  
   first obs. used      1998-09-20  
   last obs. used      2019-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55727  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:13:52  

Additional Information
 Earth MOID = 1.60375 au 
 Jupiter MOID = 1.767 au 
 T_jup = 3.208 
[ 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 15.1   n/a MPO366216  
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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