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 ]  
102P/Shoemaker 1
Classification: Jupiter-family Comet          SPK-ID: 1000083
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2455982.5 (2012-Feb-25.0) TDB
Reference: JPL K133/5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4732076238332613 6.4288e-07  
a 3.736849126524985 3.2353e-07 au
q 1.968543630738699 2.5392e-06 au
i 26.24590768369254 3.3437e-05 deg
node 339.8794153628378 5.4918e-05 deg
peri 18.73489843638509 0.0001912 deg
M 284.3950575465321 6.029e-05 deg
tp 2456536.620808141088
(2013-Sep-01.12080814)
0.00042672 TDB
period 2638.498019538425
7.22
0.00034265
9.381e-07
d
yr
n .136441262162849 1.7719e-08 deg/d
Q 5.505154622311272 4.7662e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] -1.106075867921192E-8 1.43E-9
A2 [EST] -2.329593168815982E-9 2.746E-11
A3 [EST] -9.547106594399124E-9 6.233E-10
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      7505 days (20.55 yr)  
   first obs. used      1999-12-31  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .83874  
   source      ORB  
   producer      Shantanu Naidu  
   solution date      2020-Aug-08 22:48:33  

Additional Information
 Earth MOID = .973751 au 
 Jupiter MOID = .190961 au 
 T_jup = 2.732 
[ 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
comet total magnitude M1 16.5   0.7 K133/5 2 parameter fit from 68 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a K133/5 autocmod 2.8
diameter diameter 3.2 km n/a Scotti,J (1994) BAAS 26:1375  

102P/Shoemaker 1          Discovered 1984-Sep-27 by Shoemaker, Carolyn S. and Eugene M. at Palomar Mountain Observatory, California
discovered on plate/photo taken on discovery date as well as 9/28
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1992.0   102P/1991 L2   1991 XXIII   1991p 
 1984.8   102P/1984 S2   1984 XVI   1984q 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-05 11:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin