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 ]  
C/1979 M1 (Bradfield)
Classification: Hyperbolic Comet          SPK-ID: 1001179
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2444088.5 (1979-Aug-03.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000032140854782 1.174e-05  
a -12856.43385310782 4696 au
q .4132167734883136 2.6705e-06 au
i 136.2287207444014 0.00064485 deg
node 164.2170962565416 0.00049088 deg
peri 47.65117859994464 0.00054985 deg
M 7.259725665295894E-6 3.9775e-06 deg
tp 2444077.762654809403
(1979-Jul-23.26265481)
0.00020911 TDB
period n/a
n/a
n/a
n/a
d
yr
n 6.761192395726871E-7 3.7045e-07 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      25  
   data-arc span      91 days  
   first obs. used      1979-06-25  
   last obs. used      1979-09-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .98578  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:29:27  

Additional Information
 Earth MOID = .358649 au 
 Jupiter MOID = .738921 au 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 14.6   0.8 2 2 parameter fit from 9 observations, autocmod 2.9c
comet total magnitude slope K1 35.5   n/a 2 autocmod 2.9c

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-21 19:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin