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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2341288333573273 8.2066e-08  
a 2.406282271858682 3.0796e-08 au
q 1.84290221081999 1.8463e-07 au
i 6.934674619270174 6.3538e-06 deg
node 281.272670133284 5.6124e-05 deg
peri 37.88347187410587 5.9985e-05 deg
M 207.8517139009393 3.4333e-05 deg
tp 2457976.712728767453
(2017-Aug-11.21272877)
0.00014023 JED
period 1363.384285651601
3.73
2.6173e-05
7.166e-08
d
yr
n .2640488113209737 5.069e-09 deg/d
Q 2.969662332897374 3.8006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      11908 days (32.60 yr)  
   first obs. used      1983-04-17  
   last obs. used      2015-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52224  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:53:05  

Additional Information
 Earth MOID = .833265 au 
 Jupiter MOID = 2.34211 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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