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19487 Rosscoleman (1998 HO124)
Classification: Main-belt Asteroid          SPK-ID: 2019487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118542404596526 3.5465e-08  
a 2.411302998738052 8.0994e-09 au
q 2.125461343056829 8.4842e-08 au
i 6.08642204416488 4.5775e-06 deg
node 155.6093801318436 2.9278e-05 deg
peri 320.8064343627701 3.4115e-05 deg
M 58.73263409576354 1.6424e-05 deg
tp 2458777.372507749770
(2019-Oct-20.87250775)
6.2357e-05 TDB
period 1367.653578743145
3.74
6.8908e-06
1.887e-08
d
yr
n .2632245515935659 1.3262e-09 deg/d
Q 2.697144654419275 9.0595e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2011  
   data-arc span      9957 days (27.26 yr)  
   first obs. used      1993-01-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50209  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:02:06  

Additional Information
 Earth MOID = 1.14541 au 
 Jupiter MOID = 2.37826 au 
 T_jup = 3.502 
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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 14.1   n/a MPO452446  
diameter diameter 3.936 km 0.358 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.165   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19487 Rosscoleman           Discovered 1998 Apr. 23 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Ross Andrew Coleman (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his physics project. He attends the Winner High School, Winner, South Dakota, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040830/MPCPages.arcLast Updated: 2004-09-06

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Alternate Designations
 1998 HO124 = 1999 RH129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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