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JPL Small-Body Database Browser
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718 Erida (A911 SA)
Classification: Main-belt Asteroid          SPK-ID: 2000718
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1991971857375383 4.2764e-08  
a 3.057098919200518 1.3669e-08 au
q 2.448133417974505 1.301e-07 au
i 6.928381538787997 4.9054e-06 deg
node 38.54054616091615 3.2565e-05 deg
peri 174.530125246384 3.3896e-05 deg
M 189.4449004212939 1.0487e-05 deg
tp 2459525.464090575766
(2021-Nov-06.96409058)
5.9451e-05 TDB
period 1952.372420583133
5.35
1.3094e-05
3.585e-08
d
yr
n .184391049681226 1.2367e-09 deg/d
Q 3.666064420426531 1.6392e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2783  
   data-arc span      42708 days (116.93 yr)  
   first obs. used      1902-12-24  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42842  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:10:59  

Additional Information
 Earth MOID = 1.4423 au 
 Jupiter MOID = 1.30089 au 
 T_jup = 3.193 
[ 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 9.7   n/a MPO384751  
diameter diameter 70.911 km 1.283 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 17.447 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Galad, A.; Vilagi, J.; Kornos, L.; Gajdos, S. (2009) Minor Planet Bull. 36, 116-118.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.042   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

718 Erida (A911 SA)          Discovered 1911-Sep-29 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
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
1918-Jun-21 20:50 00:02 Jupiter 1.87237272698801 1.87237060514688 1.87237484883106 2.18576564167537 1.96794639108018 2421766.368270365 2.33503010333266 164.111053994002 10.6435549645274 -78.0287651725106 1746110.92627099 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:11:12 2019-Dec-03 20:11
1927-Oct-31 10:26 00:02 Jupiter 1.43781643688668 1.43781505494217 1.4378178189604 1.53003595463997 1.07833356258662 2425184.934858984 2.06092132700941 986.151041354275 190.805214363546 -82.1932173634398 1206373.59967273 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:11:12 2019-Dec-03 20:11
1976-Aug-07 15:09 < 00:01 Jupiter 1.37487061198531 1.37486995933002 1.37487126465317 1.54910608362702 1.08054660353404 2442998.131332336 0.825366501628623 337.212785928979 188.099238822414 -62.4298647766705 1301208.58571308 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:11:12 2019-Dec-03 20:11
1985-Dec-10 15:41 < 00:01 Jupiter 1.96571094860046 1.96571029059836 1.96571160660245 2.72156750065898 2.55834556564656 2446410.153557360 0.63115921258227 48.3760480457753 20.5358313084663 86.9799097044247 2332696.35178826 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:11:12 2019-Dec-03 20:11
2034-Dec-22 05:14 < 00:01 Jupiter 1.34804285926124 1.348042313569 1.34804340496023 1.58472657407097 1.1201287006007 2464318.718141704 0.583675148974831 444.17819226288 115.216323323166 -65.8787122748165 1665536.29384741 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:11:12 2019-Dec-03 20:11
2083-Oct-05 22:05 00:02 Jupiter 1.48398422018186 1.48398286455228 1.48398557586754 1.46174620964783 0.997572084732018 2482138.420029132 1.87290601199952 598.061994285707 262.045648042234 -81.533330460545 1300567.67437487 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:11:12 2019-Dec-03 20:11
2093-Feb-15 10:52 00:02 Jupiter 1.80808461927755 1.80808270015482 1.80808653840171 2.2288948058177 2.00774602393675 2485558.953011625 2.1313622633226 154.179730081367 26.9489357710097 -81.2297984202423 1968257.15424153 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:11:12 2019-Dec-03 20:11
2142-Feb-08 11:13 00:03 Jupiter 1.30091184764391 1.3009112096872 1.30091248560024 1.57984568720023 1.09257229603871 2503447.967441069 2.66930065213159 385.389620085275 123.360869188339 -58.0193518148851 1720093.12755099 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:11:12 2019-Dec-03 20:11
2190-Dec-31 11:09 00:05 Jupiter 1.64096693478984 1.64096296773299 1.64097090212941 1.42776884727809 1.00308437275589 2521305.964748720 4.96490421127826 1389.33883409076 201.607290740334 80.3399461051091 1595357.23224217 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:11:12 2019-Dec-03 20:11
2200-May-15 01:09 00:05 Jupiter 1.63018383859452 1.63017964163883 1.63018803596184 1.88082646805537 1.58061189896607 2524727.548154359 5.06663374570841 1451.68944414575 55.0461906758799 -88.8039229152701 2413565.21569766 T 35 CATAB v2.0f-lin.ifort 2019-Dec-03 20:11:12 2019-Dec-03 20:11

Alternate Designations
 A911 SA = 1952 JK = 1963 KL = 1979 QG10 = A902 YD = A904 JA = A920 GE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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