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JPL Small-Body Database Browser
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35660 (1998 QS38)
Classification: Main-belt Asteroid          SPK-ID: 2035660
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2162635261888802 3.6624e-08  
a 3.16995830215027 2.6412e-08 au
q 2.484411941855537 1.2287e-07 au
i 13.43862523262876 6.7178e-06 deg
node 321.3721574495708 2.0444e-05 deg
peri 289.9648183943077 2.5994e-05 deg
M 10.93429287863389 1.6955e-05 deg
tp 2458937.886648218281
(2020-Mar-29.38664822)
9.6833e-05 TDB
period 2061.478221921835
5.64
2.5764e-05
7.054e-08
d
yr
n .1746319685416741 2.1825e-09 deg/d
Q 3.855504662445004 3.2124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      9771 days (26.75 yr)  
   first obs. used      1992-07-30  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53987  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:48:06  

Additional Information
 Earth MOID = 1.50916 au 
 Jupiter MOID = 1.57028 au 
 T_jup = 3.124 
[ 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 13.8   n/a MPO347781  
diameter diameter 10.218 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35660 (1998 QS38)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QS38 = 1999 XT128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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