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 ]  
170P/Christensen
Classification: Jupiter-family Comet          SPK-ID: 1001649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454502.5 (2008-Feb-06.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3041235958760041 2.6864e-07  
a 4.208439501003299 1.4386e-07 au
q 2.928553746931559 1.0541e-06 au
i 10.12740142886888 1.8153e-05 deg
node 143.0126416009267 6.4969e-05 deg
peri 225.3826675493708 0.00017568 deg
M 84.53112378668125 9.4756e-05 deg
tp 2453762.052619193189
(2006-Jan-26.55261919)
0.00085925 TDB
period 3153.407232147213
8.63
0.0001617
4.427e-07
d
yr
n .1141622294545413 5.8538e-09 deg/d
Q 5.488325255075039 1.8761e-07 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      3535 days (9.68 yr)  
   first obs. used      2005-06-17  
   last obs. used      2015-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .79279  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-28 16:15:00  

Additional Information
 Earth MOID = 1.93669 au 
 Jupiter MOID = .26111 au 
 T_jup = 2.923 
[ 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 12.5   0.8 20 2 parameter fit from 133 observations, autocmod 2.6m
comet total magnitude slope K1 9.   n/a 20 autocmod 2.6m

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2006.1   170P/2005 M1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Feb-25 16:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin