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12297 (1991 PT14)
Classification: Main-belt Asteroid          SPK-ID: 2012297
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04842102644927452 5.43e-08  
a 2.372463113777807 1.3715e-08 au
q 2.257586014595644 1.301e-07 au
i 2.827670573981794 5.2646e-06 deg
node 141.7263363915792 0.00010642 deg
peri 52.83065336846818 0.00011739 deg
M 63.2992551977424 5.1964e-05 deg
tp 2457365.810462329554
(2015-Dec-09.31046233)
0.00019246 JED
period 1334.742933347718
3.65
1.1574e-05
3.169e-08
d
yr
n .2697148574497942 2.3387e-09 deg/d
Q 2.487340212959971 1.4379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1246  
   data-arc span      9021 days (24.70 yr)  
   first obs. used      1991-08-06  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50365  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:13:48  

Additional Information
 Earth MOID = 1.25699 au 
 Jupiter MOID = 2.46991 au 
 T_jup = 3.540 
[ 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 MPO337362  

12297 (1991 PT14)          Discovered 1991-Aug-06 by Holt, H. E. at Palomar
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 PT14 = 1991 RQ12 = 1995 SE22 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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