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948 Jucunda (A921 EL)
Classification: Main-belt Asteroid          SPK-ID: 2000948
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 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1634653781966572 2.358e-08  
a 3.03253789991378 1.1021e-08 au
q 2.536822945208677 7.4022e-08 au
i 8.653440027424915 5.7707e-07 deg
node 357.0918697397919 3.5415e-06 deg
peri 163.216885612871 7.8195e-06 deg
M 315.2367780003173 4.0085e-06 deg
tp 2459440.342764291636
(2021-Aug-13.84276429)
2.1733e-05 TDB
period 1928.891426662744
5.28
1.0516e-05
2.879e-08
d
yr
n .1866356991501855 1.0175e-09 deg/d
Q 3.528252854618883 1.2823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      4170  
   data-arc span      36536 days (100.03 yr)  
   first obs. used      1921-03-03  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35542  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:40:24  

Additional Information
 Earth MOID = 1.54626 au 
 Jupiter MOID = 1.45258 au 
 T_jup = 3.205 
[ 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 11.52   n/a E2021B10  
diameter diameter 17.331 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 26.24 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2011) Minor Planet Bull. 38, 211-212.]
geometric albedo albedo 0.130   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

948 Jucunda (A921 EL)          Discovered 1921-Mar-03 by Reinmuth, K. at Heidelberg
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
1901-Oct-25 21:47 00:02 Jupiter 1.97874427184236 1.97874302420797 1.97874551947642 2.49484359830381 2.31692108811941 2415683.407497241 1.76564551758916 44.045159722266 4.9454273417943 6.41758534637813 2076605.899559 T 47 CATAB v2.0f-lin.ifort 2021-Apr-12 11:41:59 2021-Apr-12 11:42
1940-May-08 15:53 00:01 Jupiter 1.68694210310074 1.68694124306438 1.68694296314554 2.49462419442672 2.28449980129464 2429758.161785194 1.27448537070318 202.937804840958 10.3474454003819 -79.4874912176968 12823970.9369798 T 47 CATAB v2.0f-lin.ifort 2021-Apr-12 11:41:59 2021-Apr-12 11:42
1949-Jul-27 00:21 00:01 Jupiter 1.87040450900313 1.87040369960366 1.8704053184025 2.36716803737771 2.16743489104357 2433124.514406943 1.14050072665631 36.2834863479255 7.51766286614485 25.7790661217898 4686274.38866917 T 47 CATAB v2.0f-lin.ifort 2021-Apr-12 11:41:59 2021-Apr-12 11:42
1988-Feb-20 12:47 < 00:01 Jupiter 1.80576856767184 1.80576815215849 1.8057689831856 2.57874315931033 2.38993444228011 2447212.032421394 0.505939680715645 48.8772905092764 6.79092291411134 -73.1921908729624 12945571.9882996 T 47 CATAB v2.0f-lin.ifort 2021-Apr-12 11:41:59 2021-Apr-12 11:42
1997-May-10 23:19 < 00:01 Jupiter 1.75080031978494 1.75080009309099 1.75080054647889 2.33765871385955 2.12062845308865 2450579.471792420 0.339799398527762 22.5713044116248 7.96563409434097 67.2628786945164 9045418.39629356 T 47 CATAB v2.0f-lin.ifort 2021-Apr-12 11:41:59 2021-Apr-12 11:42
2035-Dec-03 19:14 < 00:01 Jupiter 1.93123746995972 1.9312371040307 1.93123783588874 2.78987747302586 2.62797169072429 2464665.301652554 0.401016472010435 22.941542546773 3.73054832400093 -61.2252635453026 8182911.45554079 T 47 CATAB v2.0f-lin.ifort 2021-Apr-12 11:41:59 2021-Apr-12 11:42
2045-Feb-12 22:03 < 00:01 Jupiter 1.64360498526169 1.64360458245272 1.64360538807113 2.36776883938602 2.13907471007636 2468024.418948050 0.581743533513238 62.8549512095338 10.4471347109066 73.2447096178484 7803635.88563863 T 47 CATAB v2.0f-lin.ifort 2021-Apr-12 11:41:59 2021-Apr-12 11:42
2092-Oct-21 04:20 00:01 Jupiter 1.56678460034445 1.56678385658264 1.56678534412629 2.39868677786914 2.16159069114906 2485441.680482459 1.33112340842553 307.558351792243 9.81699662125296 83.0767113858469 8582581.20354848 T 47 CATAB v2.0f-lin.ifort 2021-Apr-12 11:41:59 2021-Apr-12 11:42
2140-May-23 21:08 00:02 Jupiter 1.53029521641421 1.53029422739827 1.53029620561021 2.41704563241249 2.1760294619241 2502822.380309215 2.03892542512861 884.574068475096 8.22802070401364 86.7860701618017 9504236.05709466 T 47 CATAB v2.0f-lin.ifort 2021-Apr-12 11:41:59 2021-Apr-12 11:42
2187-Nov-18 02:12 00:03 Jupiter 1.52504433834848 1.52504300521424 1.52504567190655 2.42899042455415 2.18841896900591 2520166.591717993 2.80823019776494 1346.42829629585 7.51512436965978 87.195412173868 9984375.10572591 T 47 CATAB v2.0f-lin.ifort 2021-Apr-12 11:41:59 2021-Apr-12 11:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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