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22630 Wallmuth (1998 KH45)
Classification: Main-belt Asteroid          SPK-ID: 2022630
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729972754701434 2.89e-08  
a 2.441011008581662 1.0254e-08 au
q 2.018722754704408 7.2535e-08 au
i 4.243117310043329 3.3629e-06 deg
node 96.24724854843844 5.4022e-05 deg
peri 189.0021591035699 5.5495e-05 deg
M 302.1476414106864 1.5363e-05 deg
tp 2459424.357475905827
(2021-Jul-28.85747591)
6.021e-05 TDB
period 1393.006150331509
3.81
8.7773e-06
2.403e-08
d
yr
n .2584338912748712 1.6284e-09 deg/d
Q 2.863299262458916 1.2028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1094  
   data-arc span      9226 days (25.26 yr)  
   first obs. used      1995-11-15  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:26  

Additional Information
 Earth MOID = 1.00049 au 
 Jupiter MOID = 2.288 au 
 T_jup = 3.477 
[ 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 15.35   n/a E2021B10  
diameter diameter 5.521 km 0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22630 Wallmuth           Discovered 1998 May 22 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Joanne Wallmuth mentored a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors. She teaches at the Illinois Mathematics & Science Academy, Aurora, Illinois.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060314/MPCPages.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 KH45 = 1995 WT28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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