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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2211162223696819 3.889e-08  
a 2.343532470934198 1.1052e-08 au
q 1.825339423960541 9.3647e-08 au
i 1.648472206563071 4.0927e-06 deg
node 191.9282167251778 0.00014574 deg
peri 117.1089286121725 0.00014646 deg
M 137.0614652435914 9.8684e-06 deg
tp 2458701.595111558041
(2019-Aug-06.09511156)
3.7143e-05 TDB
period 1310.403033557992
3.59
9.2696e-06
2.538e-08
d
yr
n .2747246387415115 1.9434e-09 deg/d
Q 2.861725517907854 1.3496e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56764  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:07  

Additional Information
 Earth MOID = .809496 au 
 Jupiter MOID = 2.40782 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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