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13089 (1992 PH2)
Classification: Main-belt Asteroid          SPK-ID: 2013089
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1334934183183896 6.1874e-08  
a 3.04494849702215 3.17e-08 au
q 2.63846791355122 1.8565e-07 au
i 9.439635948081863 7.2268e-06 deg
node 271.3004957582079 4.0488e-05 deg
peri 68.80434803497653 4.936e-05 deg
M 136.1776014277263 2.9612e-05 deg
tp 2456666.372431291039
(2014-Jan-08.87243129)
0.00015635 JED
period 1940.744454039241
5.31
3.0307e-05
8.298e-08
d
yr
n .1854958282893647 2.8967e-09 deg/d
Q 3.45142908049308 3.5932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1024  
   data-arc span      10320 days (28.25 yr)  
   first obs. used      1987-09-18  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47353  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:23:01  

Additional Information
 Earth MOID = 1.64576 au 
 Jupiter MOID = 1.95457 au 
 T_jup = 3.205 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO332941  
rotation period rot_per 3.68 h n/a LCDB (Rev. 2015-December); 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:
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

13089 (1992 PH2)          Discovered 1992-Aug-02 by Holt, H. E. at Palomar
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 PH2 = 1987 SE21 = 1997 ND11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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