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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04903045776978129 5.6283e-08  
a 2.372668310912575 1.4455e-08 AU
q 2.256335297492678 1.3531e-07 AU
i 2.827046673730343 5.4219e-06 deg
node 141.7290653381271 0.00010839 deg
peri 53.45119764360232 0.00011947 deg
M 260.9346815319658 5.3202e-05 deg
tp 2457367.844135570469
(2015-Dec-11.34413557)
0.0001978 JED
period 1334.916102329398
3.65
1.2199e-05
3.34e-08
d
yr
n .2696798692980092 2.4644e-09 deg/d
Q 2.489001324332472 1.5163e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      8623 days (23.61 yr)  
   first obs. used      1991-08-06  
   last obs. used      2015-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51144  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:43:36  

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
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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