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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788272926657114 7.9888e-08  
a 2.332896783558713 2.7044e-08 AU
q 1.915711167686362 1.8783e-07 AU
i 12.13110816730053 7.9113e-06 deg
node 307.8382468027485 4.1923e-05 deg
peri 311.2952490577525 5.7242e-05 deg
M 247.0549061861777 5.4975e-05 deg
tp 2457408.825575742407
(2016-Jan-21.32557574)
0.00020423 JED
period 1301.492630654463
3.56
2.2631e-05
6.196e-08
d
yr
n .2766054847494389 4.8097e-09 deg/d
Q 2.750082399431064 3.188e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      8224 days (22.52 yr)  
   first obs. used      1991-08-09  
   last obs. used      2014-02-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50727  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:25:58  

Additional Information
 Earth MOID = .923983 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 (675)
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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