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9188 (1991 RM15)
Classification: Main-belt Asteroid          SPK-ID: 2009188
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2222033132935532 6.3531e-08  
a 2.387260978081705 1.2866e-08 AU
q 1.856803679055542 1.5381e-07 AU
i 2.092966869023523 6.4478e-06 deg
node 309.1396818768695 0.00015343 deg
peri 4.058164384644123 0.00015374 deg
M 81.49653662375202 1.1859e-05 deg
tp 2456495.510472112446
(2013-Jul-22.01047211)
4.4312e-05 JED
period 1347.250258577486
3.69
1.0891e-05
2.982e-08
d
yr
n .2672109340547548 2.1602e-09 deg/d
Q 2.917718277107868 1.5725e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      12118 days (33.18 yr)  
   first obs. used      1980-10-10  
   last obs. used      2013-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53994  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:28:20  

Additional Information
 Earth MOID = .84179 AU 
 T_jup = 3.500 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO267744  

9188 (1991 RM15)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar (675)
Reference: 19980910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RM15 = 1980 TP7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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