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11902 (1991 PZ12)
Classification: Main-belt Asteroid          SPK-ID: 2011902
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311120915548065 4.8291e-08  
a 2.433212730471378 1.4968e-08 au
q 2.114189120181494 1.1709e-07 au
i 5.552207780666325 7.0308e-06 deg
node 322.064183112485 4.7752e-05 deg
peri 81.09175684485008 5.5984e-05 deg
M 149.7331398113697 2.7994e-05 deg
tp 2457023.887599913930
(2015-Jan-01.38759991)
0.00010738 JED
period 1386.336146376749
3.80
1.2792e-05
3.502e-08
d
yr
n .2596772802475619 2.3962e-09 deg/d
Q 2.752236340761262 1.6931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1100  
   data-arc span      11463 days (31.38 yr)  
   first obs. used      1984-11-20  
   last obs. used      2016-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50215  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:12:56  

Additional Information
 Earth MOID = 1.12969 au 
 Jupiter MOID = 2.64089 au 
 T_jup = 3.488 
[ 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 14.4 mag n/a MPO266022  

11902 (1991 PZ12)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PZ12 = 1984 WH1 = 1984 YF3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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