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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1862677403934408 6.9597e-08  
a 2.551699238760552 1.4222e-08 au
q 2.076399987392961 1.8184e-07 au
i 8.462752603423249 5.4445e-06 deg
node 44.89121889673076 4.3258e-05 deg
peri 287.5453185058349 4.4818e-05 deg
M 202.717255614536 1.2456e-05 deg
tp 2459850.960952312716
(2022-Sep-28.46095231)
5.3405e-05 TDB
period 1488.821572560374
4.08
1.2447e-05
3.408e-08
d
yr
n .2418019772382103 2.0215e-09 deg/d
Q 3.026998490128143 1.6871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      8177 days (22.39 yr)  
   first obs. used      1998-10-17  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58983  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:00  

Additional Information
 Earth MOID = 1.08373 au 
 Jupiter MOID = 2.39728 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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