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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 ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1991971831110308 4.2324e-08  
a 3.057098918446208 1.356e-08 au
q 2.448133425399945 1.2894e-07 au
i 6.928381749264508 4.8653e-06 deg
node 38.54054427779928 3.2084e-05 deg
peri 174.5301277920264 3.3406e-05 deg
M 189.4449001148278 1.0461e-05 deg
tp 2459525.464091895471
(2021-Nov-06.96409190)
5.9364e-05 TDB
period 1952.372419860539
5.35
1.299e-05
3.556e-08
d
yr
n .1843910497494711 1.2268e-09 deg/d
Q 3.666064411492472 1.6261e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2829  
   data-arc span      42717 days (116.95 yr)  
   first obs. used      1902-12-24  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42541  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:47:32  

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

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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
1918-Jun-21 20:50 00:02 Jupiter 1.87237276304976 1.87237065023104 1.87237487587028 2.18576565860756 1.96794641431383 2421766.368290938 2.32077380683275 163.034970461235 10.5677318524368 -78.0012105931045 1758299.8156656 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:47:47 2019-Dec-13 20:47
1927-Oct-31 10:26 00:02 Jupiter 1.43781642281302 1.43781504275772 1.43781780299728 1.53003604777254 1.07833368938404 2425184.934887701 2.04828817002916 981.915846739758 188.052794932643 -82.3738037569106 1222712.0785583 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:47:47 2019-Dec-13 20:47
1976-Aug-07 15:09 < 00:01 Jupiter 1.37487062544575 1.37486997750899 1.37487127339486 1.54910615081578 1.08054670543994 2442998.131323257 0.820598403103542 334.303257011954 186.747794380123 -62.3002567356714 1311129.35462267 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:47:47 2019-Dec-13 20:47
1985-Dec-10 15:41 < 00:01 Jupiter 1.96571094841008 1.96571029057291 1.96571160624703 2.72156750231417 2.55834556739104 2446410.153566862 0.627354176992053 48.346972883062 20.5049309085951 86.952379309145 2335786.5382961 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:47:47 2019-Dec-13 20:47
2034-Dec-22 05:14 < 00:01 Jupiter 1.34804287693024 1.3480423468578 1.34804340700913 1.58472665463549 1.12012882193356 2464318.718134440 0.573091145125669 437.443146055844 113.489326316274 -65.8421913363471 1697495.4601116 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:47:47 2019-Dec-13 20:47
2083-Oct-05 22:05 00:02 Jupiter 1.48398419821885 1.48398285684001 1.48398553965312 1.46174624854417 0.99757213325892 2482138.420001518 1.85111097936263 594.041302528016 261.497190335804 -81.6297250925124 1304568.53323286 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:47:47 2019-Dec-13 20:47
2093-Feb-15 10:52 00:02 Jupiter 1.8080846621738 1.80808277064109 1.80808655370795 2.22889512915451 2.00774638842403 2485558.952970142 2.10803293759862 152.276451690241 26.7741625797224 -81.189198858582 1980969.77570852 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:47:47 2019-Dec-13 20:47
2142-Feb-08 11:13 00:03 Jupiter 1.30091186639281 1.30091124292478 1.30091248986047 1.57984576554145 1.09257241790778 2503447.967402713 2.64033394690774 381.830763774822 122.989210787167 -58.1316129899084 1739223.80080624 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:47:47 2019-Dec-13 20:47
2190-Dec-31 11:09 00:05 Jupiter 1.64096686255611 1.6409629408705 1.64097078451867 1.4277687609936 1.00308422728883 2521305.964679025 4.91078678009382 1375.1475894109 201.53167036222 80.3118819904173 1595371.21389596 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:47:47 2019-Dec-13 20:47
2200-May-15 01:09 00:05 Jupiter 1.63018392429075 1.63017978041756 1.63018806856491 1.88082670449513 1.58061219759474 2524727.548087209 5.01238708276427 1432.85597330167 54.0042797979313 -88.7806829174109 2437083.18446762 T 36 CATAB v2.0f-lin.ifort 2019-Dec-13 20:47:47 2019-Dec-13 20:47

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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