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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0490304672022708 5.8688e-08  
a 2.372668313137805 1.4971e-08 AU
q 2.256335277228635 1.3995e-07 AU
i 2.827046792506278 5.5996e-06 deg
node 141.7290727909153 0.00011147 deg
peri 53.45118935351572 0.00012227 deg
M 260.934681051082 5.3205e-05 deg
tp 2457367.844137870410
(2015-Dec-11.34413787)
0.00019782 JED
period 1334.916104207344
3.65
1.2635e-05
3.459e-08
d
yr
n .2696798689186263 2.5525e-09 deg/d
Q 2.489001349046976 1.5705e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1069  
   data-arc span      8185 days (22.41 yr)  
   first obs. used      1991-08-06  
   last obs. used      2014-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52723  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:20:05  

Additional Information
 Earth MOID = 1.25743 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 14.2 mag n/a PDS3 (MPC 36685)  

12297 (1991 PT14)          Discovered 1991-Aug-06 by Holt, H. E. at Palomar (675)
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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