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9046 (1991 PG17)
Classification: Main-belt Asteroid          SPK-ID: 2009046
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786270650098686 7.0146e-08  
a 2.332064636279769 1.8921e-08 au
q 1.915494774887807 1.7032e-07 au
i 12.12827971671127 7.5736e-06 deg
node 307.8309165608961 3.1432e-05 deg
peri 311.4788415791624 4.6956e-05 deg
M 52.89871206382231 4.4895e-05 deg
tp 2457409.359860179406
(2016-Jan-21.85986018)
0.00016078 JED
period 1300.796326617446
3.56
1.5831e-05
4.334e-08
d
yr
n .276753549063391 3.3681e-09 deg/d
Q 2.748634497671731 2.2301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      997  
   data-arc span      9016 days (24.68 yr)  
   first obs. used      1991-08-09  
   last obs. used      2016-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49512  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:04:13  

Additional Information
 Earth MOID = .922001 au 
 Jupiter MOID = 2.41925 au 
 T_jup = 3.519 
[ 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 13.5 mag n/a MPO286849  

9046 (1991 PG17)          Discovered 1991-Aug-09 by Holt, H. E. at Palomar
Reference: 19980808/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PG17 = 1994 FW 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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