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12723 (1991 PD10)
Classification: Main-belt Asteroid          SPK-ID: 2012723
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03988510067729104 4.5245e-08  
a 2.368683415654192 1.3564e-08 au
q 2.274208239148195 1.0475e-07 au
i 7.266493120275618 7.3401e-06 deg
node 332.0597483337908 3.9669e-05 deg
peri 118.1640240457494 0.00011865 deg
M 141.3483629620796 0.0001088 deg
tp 2456877.685964506389
(2014-Aug-08.18596451)
0.00040271 JED
period 1331.554528354836
3.65
1.1437e-05
3.131e-08
d
yr
n .2703606892049608 2.3223e-09 deg/d
Q 2.46315859216019 1.4105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1059  
   data-arc span      8711 days (23.85 yr)  
   first obs. used      1991-08-07  
   last obs. used      2015-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4995  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:10:18  

Additional Information
 Earth MOID = 1.30064 au 
 Jupiter MOID = 2.60079 au 
 T_jup = 3.534 
[ 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 13.8 mag n/a MPO279650  

12723 (1991 PD10)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 PD10 = 1993 BU2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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