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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04858101636419143 5.6203e-08  
a 2.372796725364574 1.4645e-08 au
q 2.257523848820738 1.3518e-07 au
i 2.827655360261267 5.417e-06 deg
node 141.7265585853197 0.00010766 deg
peri 52.83783408172273 0.00011892 deg
M 9.344557542355259 5.3545e-05 deg
tp 2457365.846630427164
(2015-Dec-09.34663043)
0.00019851 JED
period 1335.024477047253
3.66
1.236e-05
3.384e-08
d
yr
n .2696579772052057 2.4966e-09 deg/d
Q 2.48806960190841 1.5357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1173  
   data-arc span      8696 days (23.81 yr)  
   first obs. used      1991-08-06  
   last obs. used      2015-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51253  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:14:22  

Additional Information
 Earth MOID = 1.25715 au 
 Jupiter MOID = 2.4689 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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