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JPL Small-Body Database Browser
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12912 Streator (1998 SR60)
Classification: Main-belt Asteroid          SPK-ID: 2012912
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .136781392237816 3.4078e-08  
a 3.166507873525774 1.685e-08 au
q 2.733388518052912 1.0976e-07 au
i 2.6989772596694 3.535e-06 deg
node 109.7827558459375 9.4776e-05 deg
peri 143.0504359931531 9.5963e-05 deg
M 333.9298444713347 1.5047e-05 deg
tp 2458749.542596038996
(2019-Sep-23.04259604)
8.6088e-05 TDB
period 2058.113328669713
5.63
1.6427e-05
4.497e-08
d
yr
n .1749174814550618 1.3962e-09 deg/d
Q 3.599627228998636 1.9154e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1712  
   data-arc span      10761 days (29.46 yr)  
   first obs. used      1990-03-02  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51686  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:13:35  

Additional Information
 Earth MOID = 1.71924 au 
 Jupiter MOID = 1.4445 au 
 T_jup = 3.187 
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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 13.2   n/a MPO435823  
rotation period rot_per 4.144 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

12912 Streator           Discovered 1998 Sept. 17 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Streator, Illinois, was the home town of Clyde W. Tombaugh (1906-1997), discoverer of Pluto.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030318/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1998 SR60 = 1990 EG6 = 1991 JM3 = 1997 MG5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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