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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141439173623975 3.1045e-08  
a 3.036361203015784 1.5369e-08 au
q 2.68977904077636 9.6383e-08 au
i 12.62997584962009 3.7427e-06 deg
node 82.07182198673868 1.7528e-05 deg
peri 212.3654732961414 2.5704e-05 deg
M 43.4324931382256 1.7958e-05 deg
tp 2458967.347092179851
(2020-Apr-27.84709218)
9.649e-05 TDB
period 1932.540380496395
5.29
1.4672e-05
4.017e-08
d
yr
n .1862833002783258 1.4143e-09 deg/d
Q 3.382943365255207 1.7123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2665  
   data-arc span      25837 days (70.74 yr)  
   first obs. used      1950-04-22  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43097  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:38:57  

Additional Information
 Earth MOID = 1.68069 au 
 Jupiter MOID = 1.78832 au 
 T_jup = 3.195 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457212.5 (2015-Jul-09.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138338283647648 3.1019e-08  
q 2.691784061006563 9.6298e-08 au
tp 2457041.407881451259
(2015-Jan-18.90788145)
9.9497e-05 TDB
node 82.10892341634271 1.7514e-05 deg
peri 213.7424152390361 2.5741e-05 deg
i 12.63407214998103 3.7443e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2665  
   data-arc span      25837 days (70.74 yr)  
   first obs. used      1950-04-22  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43097  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:38:57  

Additional Information
 Jupiter MOID = 1.78832 au 
 T_jup = 3.195 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.621589685814849E-16 -2.957393881200372E-15 2.188516571171088E-13 5.154706279795592E-16 5.396628643985955E-14 -1.061836875638325E-15
q -2.957393881200372E-15 9.273261497525772E-15 -9.89287637480605E-13 -3.535407932934963E-16 -2.239114229456297E-13 3.854575666885617E-15
tp 2.188516571171088E-13 -9.89287637480605E-13 9.899631925692722E-9 1.872288983726893E-11 1.896749738541105E-9 -1.206725559322265E-12
node 5.154706279795592E-16 -3.535407932934963E-16 1.872288983726893E-11 3.067557513418004E-10 -2.954178764925357E-10 -6.700753401851801E-12
peri 5.396628643985955E-14 -2.239114229456297E-13 1.896749738541105E-9 -2.954178764925357E-10 6.625788163023049E-10 6.337118342559285E-12
i -1.061836875638325E-15 3.854575666885617E-15 -1.206725559322265E-12 -6.700753401851801E-12 6.337118342559285E-12 1.401970625315854E-11

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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