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101485 (1998 WH36)
Classification: Main-belt Asteroid          SPK-ID: 2101485
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861169991830416 7.0126e-08  
a 2.552009761631318 1.4308e-08 au
q 2.077037362910668 1.8301e-07 au
i 8.462371419550848 5.4749e-06 deg
node 44.90060762948242 4.377e-05 deg
peri 287.5089437144129 4.5434e-05 deg
M 154.4008158475018 1.2447e-05 deg
tp 2458361.841033601688
(2018-Aug-31.34103360)
5.0396e-05 TDB
period 1489.093348641866
4.08
1.2523e-05
3.429e-08
d
yr
n .2417578456906947 2.0331e-09 deg/d
Q 3.026982160351968 1.6971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      7772 days (21.28 yr)  
   first obs. used      1998-10-17  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:20:52  

Additional Information
 Earth MOID = 1.0862 au 
 Jupiter MOID = 2.39704 au 
 T_jup = 3.400 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO453468  
diameter diameter 2.136 km 0.334 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101485 (1998 WH36)          Discovered 1998-Nov-19 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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