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JPL Small-Body Database Browser
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7179 Gassendi (1991 GQ6)
Classification: Main-belt Asteroid          SPK-ID: 2007179
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1294635158324004 3.7575e-08  
a 2.935312136677866 1.4166e-08 au
q 2.555296307398034 1.1313e-07 au
i 1.125838484057961 5.6715e-06 deg
node 200.846141711993 0.00019529 deg
peri 212.8781044821436 0.00019636 deg
M 348.0666630751704 2.1213e-05 deg
tp 2458661.389059245652
(2019-Jun-26.88905925)
0.00010837 TDB
period 1836.876094801748
5.03
1.3297e-05
3.641e-08
d
yr
n .1959849121118071 1.4187e-09 deg/d
Q 3.315327965957698 1.6e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1982  
   data-arc span      16537 days (45.28 yr)  
   first obs. used      1973-10-26  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47952  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:48:49  

Additional Information
 Earth MOID = 1.56621 au 
 Jupiter MOID = 2.02674 au 
 T_jup = 3.262 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0   n/a MPO337315  
diameter diameter 6.997 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.300   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7179 Gassendi (1991 GQ6)          Discovered 1991-Apr-08 by Elst, E. W. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1991 GQ6 = 1973 UT = 1978 RE5 = 1978 TS3 = 1980 BP4 = 1993 RH17 = 1996 GY20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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