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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
22P/Kopff
Classification: Jupiter-family Comet          SPK-ID: 1000054
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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.


[ revert to old Java-based viewer ]

:
Orbital Elements at Epoch 2455845.5 (2011-Oct-11.0) TDB
Reference: JPL K223/1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5441848835414173 7.8254e-08  
a 3.457729773718401 9.5114e-08 au
q 1.576085499489762 3.1e-07 au
i 4.723924257820427 5.3607e-06 deg
node 120.8750686455848 6.1932e-05 deg
peri 162.7019154398944 6.3952e-05 deg
M 133.2170985484318 8.287e-06 deg
tp 2454976.454588256501
(2009-May-24.95458826)
4.7487e-05 TDB
period 2348.469915923886
6.43
9.6901e-05
2.653e-07
d
yr
n .153291297265086 6.325e-09 deg/d
Q 5.33937404794704 1.4687e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 5.191488359727642E-10 6.336E-11
A2 [EST] -3.855734101056092E-10 1.539E-11
  Orbit Determination Parameters
   # obs. used (total)      3454  
   data-arc span      4386 days (12.01 yr)  
   first obs. used      2008-01-30  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6737  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2020-Feb-11 09:51:48  

Additional Information
 Earth MOID = .561003 au 
 Jupiter MOID = .0776482 au 
 T_jup = 2.868 
[ 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 12.1   1. K223/1 2 parameter fit from 576 observations, autocmod 2.8
comet total magnitude slope K1 7.75   n/a K223/1 autocmod 2.8
diameter diameter 3.0 km 0.4 Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002)  
geometric albedo albedo 0.05   0.01 n/a  

22P/Kopff          Discovered 1906-Aug-22 by Kopff at Konigstuhl Observatory, Germany
discovered on plate/photo taken on discovery date
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1996.5           1994s 
 1990.1       1990 I   1988k 
 1983.7       1983 XIII   1982k 
 1977.2       1977 V   1976b 
 1970.8       1970 XI   1970c 
 1964.4       1964 III   1963i 
 1958.0       1958 I   1958d 
 1951.5       1951 VII   1951e 
 1945.1       1945 V   1945b 
 1938.7       1939 II   1939e 
 1932.2       1932 III   1932e 
 1925.8       1926 II   1926c 
 1919.4   22P/1919 O1   1919 I   1919a 
 1906.5   22P/1906 Q1   1906 IV   1906e 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-31 10:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin