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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141439402698898 1.2669e-08  
a 3.03636120779341 1.4639e-08 au
q 2.689778975453229 3.7792e-08 au
i 12.62997884282428 1.0045e-06 deg
node 82.07181582491073 6.9757e-06 deg
peri 212.3654663319777 1.3746e-05 deg
M 43.43250625386779 1.1118e-05 deg
tp 2458967.347021222595
(2020-Apr-27.84702122)		 5.9244e-05 TDB
period 1932.540385057589
5.29		 1.3976e-05
3.826e-08		 d
yr
n .1862832998386588 1.3472e-09 deg/d
Q 3.382943440133591 1.631e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2717  
   data-arc span      25837 days (70.74 yr)  
   first obs. used      1950-04-22  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43073  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:58:21  

Additional Information
 Earth MOID = 1.68069 au 
 Jupiter MOID = 1.78832 au 
 T_jup = 3.195 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457249.5 (2015-Aug-15.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138440670791257 1.2312e-08  
q 2.691764514467997 3.6665e-08 au
tp 2457041.393010988523
(2015-Jan-18.89301099)		 5.8657e-05 TDB
node 82.10795111246874 6.9715e-06 deg
peri 213.7394790200543 1.3847e-05 deg
i 12.63402813359555 1.0067e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2717  
   data-arc span      25837 days (70.74 yr)  
   first obs. used      1950-04-22  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43073  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:58:21  

Additional Information
 Jupiter MOID = 1.78832 au 
 T_jup = 3.195 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.515797209216945E-16 -4.243372472592193E-16 -2.735774281982658E-13 -4.603303904831178E-14 -2.100270206663612E-14 6.928532454877458E-15
q -4.243372472592193E-16 1.34430181070938E-15 8.216454107303808E-13 1.45312190965326E-13 5.761181779425462E-14 -2.22735515847408E-14
tp -2.735774281982658E-13 8.216454107303808E-13 3.44066042031435E-9 2.221996264302215E-11 7.296588819001695E-10 1.593397560849716E-11
node -4.603303904831178E-14 1.45312190965326E-13 2.221996264302215E-11 4.86017479621029E-11 -3.728858784032085E-11 -5.576867620002166E-12
peri -2.100270206663612E-14 5.761181779425462E-14 7.296588819001695E-10 -3.728858784032085E-11 1.917499778365728E-10 8.472758751157751E-12
i 6.928532454877458E-15 -2.22735515847408E-14 1.593397560849716E-11 -5.576867620002166E-12 8.472758751157751E-12 1.013458409332574E-12

[ 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 12.21   n/a E2021B10  
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. 2020-October); 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

[ show close-approach data ]
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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