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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1549189746996855 3.5702e-08  
a 3.063758360169276 2.1425e-08 au
q 2.589124056284262 1.1192e-07 au
i 5.758584818738652 4.2327e-06 deg
node 72.16916534698802 4.8977e-05 deg
peri 356.195477525126 5.1783e-05 deg
M 48.95918665077558 1.6626e-05 deg
tp 2459130.113700771203
(2020-Oct-07.61370077)
8.9735e-05 TDB
period 1958.755328318917
5.36
2.0546e-05
5.625e-08
d
yr
n .1837901828754522 1.9278e-09 deg/d
Q 3.53839266405429 2.4744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      754  
   data-arc span      8208 days (22.47 yr)  
   first obs. used      1998-09-20  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5255  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:14:39  

Additional Information
 Earth MOID = 1.60306 au 
 Jupiter MOID = 1.76465 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 15.09   n/a MPCxxxxx  
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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