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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147269690167639 3.3027e-08  
a 3.038821872694662 1.7096e-08 au
q 2.690187049858557 1.0484e-07 au
i 12.63225915785927 4.1724e-06 deg
node 82.09029684563444 1.8581e-05 deg
peri 212.5949123488615 2.7429e-05 deg
M 5.968064252734781 2.0404e-05 deg
tp 2458968.423477306431
(2020-Apr-28.92347731)
0.00010962 TDB
period 1934.890054910763
5.30
1.6328e-05
4.47e-08
d
yr
n .1860570832364959 1.5701e-09 deg/d
Q 3.387456695530767 1.9057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2283  
   data-arc span      25624 days (70.15 yr)  
   first obs. used      1950-04-22  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45049  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:43:18  

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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1905-Feb-23 21:03 00:03 Jupiter 1.96436017695968 1.96435896671105 1.96436138722105 3.7054015678522 3.5871451804431 2416900.377243571 2.80930330222729 290.653780862051 23.65210584544 -79.1957512413264 3144371.02599742 T 34 CATAB v2.0f-lin.ifort 2020-Jun-23 16:43:28 2020-Jun-23 16:43
1953-Feb-07 17:52 00:02 Jupiter 1.8618955892266 1.86189496713901 1.86189621131482 3.73969041445357 3.61599706248953 2434416.244782044 1.54935978605381 118.006081040475 24.5835035226936 -81.3835383497433 3299140.27577187 T 34 CATAB v2.0f-lin.ifort 2020-Jun-23 16:43:28 2020-Jun-23 16:43
2001-Jan-13 15:45 < 00:01 Jupiter 1.80154233881364 1.80154196003594 1.80154271759164 3.74984787842621 3.62229605490357 2451923.156065381 0.371543084051228 87.3052835845825 14.4523824060105 -83.5720692315518 3529997.74344 T 34 CATAB v2.0f-lin.ifort 2020-Jun-23 16:43:28 2020-Jun-23 16:43
2048-Dec-15 05:01 < 00:01 Jupiter 1.7949507775704 1.79495043029512 1.79495112484598 3.68950076662281 3.55930222778673 2469425.709115925 0.87199650377851 92.8023415799292 12.6820873334397 -84.2421886462268 3559560.24101672 T 34 CATAB v2.0f-lin.ifort 2020-Jun-23 16:43:28 2020-Jun-23 16:43
2096-Nov-18 08:06 00:02 Jupiter 1.84751387563719 1.8475131984015 1.84751455287877 3.54635866833228 3.41463432406078 2486930.837373285 2.07273735161154 186.046804635729 10.2215310641451 -79.5206506250392 3588734.5807523 T 34 CATAB v2.0f-lin.ifort 2020-Jun-23 16:43:28 2020-Jun-23 16:43
2144-Oct-29 16:08 00:03 Jupiter 1.94273162938279 1.94273017918546 1.94273307959248 3.32306586392088 3.18916532346234 2504442.172382478 3.34898746262243 264.691187813509 9.71316042932926 -72.8788365737282 3640661.39939185 T 34 CATAB v2.0f-lin.ifort 2020-Jun-23 16:43:28 2020-Jun-23 16:43
2154-Apr-19 21:46 00:04 Jupiter 1.97373769804219 1.97373602400401 1.97373937209934 3.93432632382408 3.82369333668538 2507901.406615588 3.59056834939418 339.605974807379 25.0963364588725 -76.8285236808961 3173157.88836887 T 34 CATAB v2.0f-lin.ifort 2020-Jun-23 16:43:28 2020-Jun-23 16:43

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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