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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .179442799247981 7.8302e-08  
a 2.332018258645158 2.6037e-08 AU
q 1.913554374416469 1.8478e-07 AU
i 12.13112387728079 8.2283e-06 deg
node 307.8392977472214 4.1423e-05 deg
peri 311.2796321705561 5.7549e-05 deg
M 191.7803608952673 5.474e-05 deg
tp 2457408.313781025057
(2016-Jan-20.81378102)
0.00020565 JED
period 1300.757523518338
3.56
2.1785e-05
5.964e-08
d
yr
n .2767618049413685 4.6352e-09 deg/d
Q 2.750482142873848 3.071e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      802  
   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      .52809  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:53:55  

Additional Information
 Earth MOID = .920125 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 13.4 mag n/a MPO236445  

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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