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26112 (1991 PG18)
Classification: Outer Main-belt Asteroid          SPK-ID: 2026112
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2344105406930877 8.4191e-08  
a 3.251270593959138 3.6627e-08 au
q 2.48913849608964 2.6256e-07 au
i 2.070056003487525 5.7369e-06 deg
node 281.7232111779332 0.00022631 deg
peri 46.33579976224113 0.00022715 deg
M 100.5913463152331 2.7961e-05 deg
tp 2457002.176279131926
(2014-Dec-10.67627913)
0.00016063 JED
period 2141.302879449462
5.86
3.6184e-05
9.907e-08
d
yr
n .1681219426989971 2.841e-09 deg/d
Q 4.013402691828635 4.5213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      8960 days (24.53 yr)  
   first obs. used      1991-08-08  
   last obs. used      2016-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52846  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 20:41:46  

Additional Information
 Earth MOID = 1.47771 au 
 Jupiter MOID = 1.34872 au 
 T_jup = 3.136 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO358873  

26112 (1991 PG18)          Discovered 1991-Aug-08 by Holt, H. E. at Palomar
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PG18 = 2000 CY25 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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