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JPL Small-Body Database Browser
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108235 (2001 HS40)
Classification: Main-belt Asteroid          SPK-ID: 2108235
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518419625192003 4.4191e-08  
a 2.681520759252964 1.6828e-08 au
q 2.274353384632017 1.2234e-07 au
i 12.20858591851945 5.3211e-06 deg
node 124.2431998633596 2.4378e-05 deg
peri 139.0796423308184 3.1886e-05 deg
M 90.2748306436706 2.1833e-05 deg
tp 2458598.307142602121
(2019-Apr-24.80714260)
9.5297e-05 TDB
period 1603.873722397151
4.39
1.5098e-05
4.134e-08
d
yr
n .2244565734651128 2.1129e-09 deg/d
Q 3.088688133873909 1.9383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      8623 days (23.61 yr)  
   first obs. used      1996-01-25  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52716  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:10:35  

Additional Information
 Earth MOID = 1.27313 au 
 Jupiter MOID = 2.08437 au 
 T_jup = 3.327 
[ 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 14.9   n/a MPO366450  
diameter diameter 3.522 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.206   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108235 (2001 HS40)          Discovered 2001-Apr-27 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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