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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339774826380984 6.4965e-08  
a 3.043529205202021 3.4084e-08 AU
q 2.635764823953521 1.9868e-07 AU
i 9.443251063704929 7.4752e-06 deg
node 271.3077111603968 4.5702e-05 deg
peri 68.63665829828383 5.4676e-05 deg
M 62.07537790662839 3.0348e-05 deg
tp 2456666.088265394565
(2014-Jan-08.58826539)
0.00016237 JED
period 1939.387701175824
5.31
3.2578e-05
8.919e-08
d
yr
n .1856255970798087 3.1182e-09 deg/d
Q 3.45129358645052 3.865e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      9978 days (27.32 yr)  
   first obs. used      1987-09-18  
   last obs. used      2015-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47497  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:36:41  

Additional Information
 Earth MOID = 1.64547 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 13.0 mag n/a MPO275554  
rotation period rot_per 3.68 h n/a LCDB (Rev. 2015-Feb); 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]

13089 (1992 PH2)          Discovered 1992-Aug-02 by Holt, H. E. at Palomar (675)
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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