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22605 Steverumsey (1998 HH147)
Classification: Main-belt Asteroid          SPK-ID: 2022605
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05040471597185962 3.2377e-08  
a 2.244135793412195 7.2802e-09 au
q 2.131020766142969 7.3408e-08 au
i 6.625336260580649 3.965e-06 deg
node 141.4324694167564 3.1809e-05 deg
peri 97.53160659215607 5.3103e-05 deg
M 250.2005647166009 4.4019e-05 deg
tp 2459575.015444061321
(2021-Dec-26.51544406)
0.00015061 TDB
period 1227.925804118048
3.36
5.9752e-06
1.636e-08
d
yr
n .2931773229234875 1.4266e-09 deg/d
Q 2.35725082068142 7.6471e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1160  
   data-arc span      10333 days (28.29 yr)  
   first obs. used      1992-11-29  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54189  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:08  

Additional Information
 Earth MOID = 1.12892 au 
 Jupiter MOID = 2.6369 au 
 T_jup = 3.622 
[ 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 15.4   n/a MPO395221  

22605 Steverumsey           Discovered 1998 Apr. 23 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Stephen Rumsey mentored a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Wellesley High School, Wellesley Hills, Massachusetts.
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

Alternate Designations
 1998 HH147 = 1994 BB5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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