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23488 (1991 PF12)
Classification: Main-belt Asteroid          SPK-ID: 2023488
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2339529965437619 6.365e-08  
a 2.405699911031705 2.6035e-08 au
q 1.842879208060776 1.4677e-07 au
i 6.931406647762171 5.3506e-06 deg
node 281.1873011028838 5.3053e-05 deg
peri 38.08508778027365 5.7422e-05 deg
M 260.4920672160725 3.2652e-05 deg
tp 2457977.217511353844
(2017-Aug-11.71751135)
0.00012926 JED
period 1362.889372668076
3.73
2.2124e-05
6.057e-08
d
yr
n .2641446967153629 4.2879e-09 deg/d
Q 2.968520614002634 3.2125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      734  
   data-arc span      12051 days (32.99 yr)  
   first obs. used      1983-04-17  
   last obs. used      2016-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51966  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:41:17  

Additional Information
 Earth MOID = .834725 au 
 Jupiter MOID = 2.34492 au 
 T_jup = 3.475 
[ 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 14.9 mag n/a MPO333035  

23488 (1991 PF12)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 PF12 = 1998 KW24 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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