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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
P/2011 JB15 (Spacewatch-Boattini)
Classification: Jupiter-family Comet          SPK-ID: 1003128
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455721.5 (2011-Jun-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3187358370517921 2.0695e-05  
a 7.36676053414263 0.00026758 au
q 5.018709948932572 3.1066e-05 au
i 19.14127272657622 2.5117e-05 deg
node 153.7681804936313 0.00034628 deg
peri 110.926709178121 0.0016176 deg
M 348.8265975401871 0.0013593 deg
tp 2455948.171123589396
(2012-Jan-21.67112359)
0.016126 TDB
period 7303.201042446728
20.00
0.39791
0.001089
d
yr
n .04929345336485388 2.6857e-06 deg/d
Q 9.714811119352689 0.00035287 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      825 days (2.26 yr)  
   first obs. used      2010-05-13  
   last obs. used      2012-08-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .67482  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:31:49  

Additional Information
 Earth MOID = 4.06236 au 
 Jupiter MOID = .74202 au 
 T_jup = 2.837 
[ 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 6.9   0.7 15 from 96 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 13.   n/a 15 autocmod 2.9c
comet nuclear magnitude M2 12.2   0.5 15 from 13 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 15 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 15 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2012.1   P/2011 JB15       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-18 21:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin