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7718 Desnoux (1997 EP30)
Classification: Main-belt Asteroid          SPK-ID: 2007718
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147269765332655 3.1732e-08  
a 3.038821867510894 1.5964e-08 au
q 2.690187022428198 9.9433e-08 au
i 12.63225757971134 3.9318e-06 deg
node 82.09030311293718 1.7709e-05 deg
peri 212.5949004565932 2.6016e-05 deg
M 5.968071535883279 1.8533e-05 deg
tp 2458968.423438243808
(2020-Apr-28.92343824)
9.9608e-05 TDB
period 1934.890049959822
5.30
1.5247e-05
4.174e-08
d
yr
n .1860570837125735 1.4662e-09 deg/d
Q 3.387456712593591 1.7796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2373  
   data-arc span      25668 days (70.28 yr)  
   first obs. used      1950-04-22  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44384  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:52:57  

Additional Information
 Earth MOID = 1.68316 au 
 Jupiter MOID = 1.78611 au 
 T_jup = 3.194 
[ show covariance matrix ]

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 12.1   n/a MPO347587  
diameter diameter 13.624 km 0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 19. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.263   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7718 Desnoux (1997 EP30)          Discovered 1997-Mar-10 by Buil, C. at Ramonville Saint A
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1997 EP30 = 1977 LR = 1978 TE = 1979 YL5 = 1992 DG5 = 1993 LY1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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