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118189 (1994 PB12)
Classification: Main-belt Asteroid          SPK-ID: 2118189
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2211665681566523 3.8876e-08  
a 2.34309480223619 1.103e-08 au
q 1.824880565959922 9.3578e-08 au
i 1.648597050364779 4.0929e-06 deg
node 191.9374810130262 0.00014574 deg
peri 117.0507454003088 0.00014646 deg
M 82.16537986264885 9.9926e-06 deg
tp 2458701.501104233521
(2019-Aug-06.00110423)
3.7129e-05 TDB
period 1310.035962297837
3.59
9.2501e-06
2.533e-08
d
yr
n .2748016164140644 1.9404e-09 deg/d
Q 2.861309038512458 1.3469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      9298 days (25.46 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56725  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:55:13  

Additional Information
 Earth MOID = .811022 au 
 Jupiter MOID = 2.40839 au 
 T_jup = 3.529 
[ show covariance matrix ]

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 17.1   n/a MPO493674  

118189 (1994 PB12)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1994 PB12 = 2004 FM158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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