Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
205P/Giacobini
Classification: Jupiter-family Comet          SPK-ID: 1000933
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455185.5 (2009-Dec-20.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5686950644375306 8.2315e-07  
a 3.540699675067 2.9246e-07 au
q 1.527121245200829 2.8054e-06 au
i 15.30550506709045 1.3483e-05 deg
node 179.6179218543356 4.9778e-05 deg
peri 154.2642271848786 0.00030195 deg
M 68.92740440940824 6.758e-05 deg
tp 2454719.569127786315
(2008-Sep-10.06912779)
0.00046708 TDB
period 2433.503995023953
6.66
0.0003015
8.255e-07
d
yr
n .1479348300788208 1.8329e-08 deg/d
Q 5.554278104933172 4.5877e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 5.834321372386439E-9 4.967E-10
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      2680 days (7.34 yr)  
   first obs. used      2008-09-10  
   last obs. used      2016-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .78859  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 13:37:28  

Additional Information
 Earth MOID = .531934 au 
 Jupiter MOID = .380694 au 
 T_jup = 2.778 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 14.5   1. 9 2 parameter fit from 111 observations, autocmod 2.8
comet total magnitude slope K1 7.75   n/a 9 autocmod 2.8

[ 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
1921-Jun-04 15:10 1_23:46 Jupiter 0.905049973521056 0.847102698569839 0.964637173584668 7.76542646686279 7.64395699929423 2422845.132168971 2866.34426553138 3512357.77753737 445.957498862644 34.5395904687532 118098.23068995 T 9 CATAB v2.0f-lin.ifort 2020-Jun-24 13:37:40 2020-Jun-24 13:37
1962-Sep-02 03:37 1_18:04 Earth 0.484391800726468 0.481371683927835 0.487864653730418 6.61126092911415 6.61042886152486 2437909.650795169 2523.5409192537 756124.002382821 187.175797661799 -77.6294704287472 423362.195027815 T 9 CATAB v2.0f-lin.ifort 2020-Jun-24 13:37:40 2020-Jun-24 13:37
1980-Aug-08 10:49 13:30 Jupiter 1.43536022118788 1.42529504377665 1.44543101554191 9.46779096166934 9.40525612483715 2444459.950555144 809.629653372613 521751.433739079 351.42148686646 17.104237447687 103186.810778439 T 9 CATAB v2.0f-lin.ifort 2020-Jun-24 13:37:40 2020-Jun-24 13:37
1992-Jan-05 09:47 1_02:58 Jupiter 0.822242905587916 0.820845921858578 0.82365186428296 5.07755161700824 4.87044733181844 2448626.907781662 1618.34476256458 174480.912716602 839.912773070682 66.4799573033268 110696.162199532 T 9 CATAB v2.0f-lin.ifort 2020-Jun-24 13:37:40 2020-Jun-24 13:37
2039-Dec-23 16:09 15:56 Jupiter 0.938817401403304 0.931054782251753 0.946583351389229 8.07758419367622 7.96510644604317 2466146.172637859 955.68670472775 397196.207188487 555.361750427841 14.8446127227935 47534.5547460098 T 9 CATAB v2.0f-lin.ifort 2020-Jun-24 13:37:40 2020-Jun-24 13:37
2051-Feb-16 15:06 1_10:58 Jupiter 0.939212533209759 0.936313283253803 0.942136953958512 5.44894294031537 5.28084203492012 2470219.129040638 2097.74510414548 285926.357332382 581.579628688539 60.9340605039329 124693.05432463 T 9 CATAB v2.0f-lin.ifort 2020-Jun-24 13:37:40 2020-Jun-24 13:37
2099-Apr-18 15:31 2_01:49 Jupiter 0.769856919729541 0.739498395376679 0.800253491644293 7.63506702975893 7.4895781709434 2487812.146402594 2989.39452210549 1538911.93049529 274.364338423461 12.8799108455989 80272.9574773318 T 9 CATAB v2.0f-lin.ifort 2020-Jun-24 13:37:40 2020-Jun-24 13:37
2110-Aug-08 01:53 2_05:27 Jupiter 0.837574226847617 0.833685614773351 0.841468821103651 5.52031667466418 5.33397929411297 2491940.578814243 3206.7041605723 225099.141184111 1617.35374283891 27.396295507147 47317.3456634451 T 9 CATAB v2.0f-lin.ifort 2020-Jun-24 13:37:40 2020-Jun-24 13:37
2158-Jun-11 13:21 6_01:11 Jupiter 1.5810011808444 1.49207900448535 1.66988535386349 9.69390981774456 9.63848463821352 2509415.056295502 8710.87436094094 4416188.72118879 853.406641337756 3.33393100451153 11196.1703580528 T 9 CATAB v2.0f-lin.ifort 2020-Jun-24 13:37:40 2020-Jun-24 13:37

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2008.7   205P/2008 R6       
 1895.4   205P/1896 R2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-18 06:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin