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 ]  
398P/Boattini (2009 Q4)
Classification: Jupiter-family Comet          SPK-ID: 1003034
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


:
Orbital Elements at Epoch 2457277.5 (2015-Sep-12.0) TDB
Reference: JPL K203/1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5800840555922504 2.7687e-07  
a 3.136270669100871 2.1027e-06 au
q 1.316970059933817 2.0709e-07 au
i 10.98066781019765 7.6772e-06 deg
node 127.5968752769021 3.4902e-05 deg
peri 320.1312021672604 6.8074e-05 deg
M 16.11562916250459 0.00045023 deg
tp 2457186.683764405233
(2015-Jun-13.18376441)
0.0026229 TDB
period 2028.704215295747
5.55
0.0020402
5.586e-06
d
yr
n .1774531729592324 1.7846e-07 deg/d
Q 4.955571278267925 3.3225e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.70102161505191E-9 1.095E-10
A2 [EST] 1.638960409673256E-9 4.84E-11
A3 [EST] 9.040023248129997E-10 4.499E-11
  Orbit Determination Parameters
   # obs. used (total)      1705  
   data-arc span      4150 days (11.36 yr)  
   first obs. used      2009-08-26  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .80033  
   source      ORB  
   producer      Shantanu Naidu  
   solution date      2021-Jan-21 12:11:57  

Additional Information
 Earth MOID = .356098 au 
 Jupiter MOID = .600948 au 
 T_jup = 2.901 
[ hide covariance matrix ]
Orbit Covariance (9×9)
  e q tp node peri i A1 A2 A3
e 7.665529515825828E-14 -2.751574757542651E-15 -6.300038014222858E-10 -1.611848251930397E-12 7.910522252344166E-13 1.151469441553987E-12 -8.023832468855971E-18 1.17037308504696E-17 5.001768345421574E-18
q -2.751574757542651E-15 4.288586327900161E-14 -2.030860265913021E-10 3.220837982085365E-12 -7.921407978717191E-12 4.846332038003982E-13 1.27939433955915E-17 3.684349989283405E-18 -1.76073511554105E-18
tp -6.300038014222858E-10 -2.030860265913021E-10 6.879623545995753E-6 -1.081835229951458E-8 6.539641046810707E-8 -1.082680615186444E-8 -6.18946617253113E-14 -1.269415441473438E-13 -2.404019083434587E-14
node -1.611848251930397E-12 3.220837982085365E-12 -1.081835229951458E-8 1.218116480240626E-9 -1.939037401648379E-9 -9.520269567426522E-11 1.977016203107709E-15 1.867014778389307E-16 -8.613342142131186E-16
peri 7.910522252344166E-13 -7.921407978717191E-12 6.539641046810707E-8 -1.939037401648379E-9 4.634047662133054E-9 1.274488848068668E-10 -5.981504446982545E-15 -1.162209563448916E-15 1.517169001157814E-15
i 1.151469441553987E-12 4.846332038003982E-13 -1.082680615186444E-8 -9.520269567426522E-11 1.274488848068668E-10 5.893985364858803E-11 -1.316113810060016E-16 2.022100251333698E-16 2.100950074998826E-16
A1 -8.023832468855971E-18 1.27939433955915E-17 -6.18946617253113E-14 1.977016203107709E-15 -5.981504446982545E-15 -1.316113810060016E-16 1.199186513184999E-20 1.077620979853476E-21 -2.020896012672891E-21
A2 1.17037308504696E-17 3.684349989283405E-18 -1.269415441473438E-13 1.867014778389307E-16 -1.162209563448916E-15 2.022100251333698E-16 1.077620979853476E-21 2.342976889255924E-21 4.606726581550987E-22
A3 5.001768345421574E-18 -1.76073511554105E-18 -2.404019083434587E-14 -8.613342142131186E-16 1.517169001157814E-15 2.100950074998826E-16 -2.020896012672891E-21 4.606726581550987E-22 2.024087363892782E-21

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 15.2   0.8 K203/1 2 parameter fit from 938 observations, autocmod 2.8
comet total magnitude slope K1 11.   n/a K203/1 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2021.0   398P/2020 P2       
 2009.9   398P/2009 Q4       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-07 22:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin