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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785270401431129 7.2407e-08  
a 2.331752590274324 2.028e-08 au
q 1.915471701986612 1.7623e-07 au
i 12.12885447707664 7.6057e-06 deg
node 307.830585505995 3.2627e-05 deg
peri 311.4594302902079 4.929e-05 deg
M 357.5621623163507 4.8099e-05 deg
tp 2457409.306927353002
(2016-Jan-21.80692735)
0.00017384 JED
period 1300.535252344878
3.56
1.6967e-05
4.645e-08
d
yr
n .2768091055978039 3.6113e-09 deg/d
Q 2.748033478562036 2.3901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      8649 days (23.68 yr)  
   first obs. used      1991-08-09  
   last obs. used      2015-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48323  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:03:59  

Additional Information
 Earth MOID = .920782 au 
 Jupiter MOID = 2.41862 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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