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22P/Kopff
Classification: Jupiter-family Comet          SPK-ID: 1000054
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2455849.5 (2011-Oct-15.0) TDB
Reference: JPL K223/2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5441859862082526 7.8229e-08  
a 3.457716402404904 9.4546e-08 au
q 1.57607559193374 3.0979e-07 au
i 4.723934485890362 5.3605e-06 deg
node 120.8749826354866 6.1915e-05 deg
peri 162.7014169374002 6.3767e-05 deg
M 133.8316693043255 7.9875e-06 deg
tp 2454976.450483253942
(2009-May-24.95048325)
4.6244e-05 TDB
period 2348.456293359727
6.43
9.6323e-05
2.637e-07
d
yr
n .1532921864536726 6.2873e-09 deg/d
Q 5.339357212876068 1.46e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 5.18440859572387E-10 6.33E-11
A2 [EST] -3.841849100254628E-10 1.198E-11
  Orbit Determination Parameters
   # obs. used (total)      3458  
   data-arc span      4662 days (12.76 yr)  
   first obs. used      2008-01-30  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6737  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2020-Nov-17 10:06:50  

Additional Information
 Earth MOID = .561203 au 
 Jupiter MOID = .0776478 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. K223/2 2 parameter fit from 580 observations, autocmod 2.9a
comet total magnitude slope K1 7.75   n/a K223/2 autocmod 2.9a
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1943-Feb-19 00:30 1_05:14 Jupiter 0.515472824974952 0.51197172143146 0.519004720340492 5.66511315028534 5.36722613968418 2430774.520837465 1753.931407497 269042.575895185 53.5706723649484 51.2789661247401 490743.05103634 T K223/2 CATAB v2.0f-lin.ifort 2020-Nov-17 10:12:03 2020-Nov-17 10:12
1954-Mar-28 10:52 02:57 Jupiter 0.174878085429185 0.174788691370241 0.174968105066042 5.67827258721834 4.74929192124271 2434829.952652450 176.720822106154 18727.5979451693 211.145806482482 77.4380161251919 119423.337269077 T K223/2 CATAB v2.0f-lin.ifort 2020-Nov-17 10:12:03 2020-Nov-17 10:12
1966-Jan-23 13:18 01:13 Jupiter 1.71222952324131 1.7116989810666 1.71276007184753 9.77262118454588 9.72186942801034 2439149.053889982 73.2863861384398 26971.1535218243 375.360194276367 12.6224518111422 94681.2182670699 T K223/2 CATAB v2.0f-lin.ifort 2020-Nov-17 10:12:03 2020-Nov-17 10:12
2026-Apr-25 17:33 00:04 Jupiter 0.438985682083605 0.438939133612738 0.439032230496655 6.48598283355066 6.18134086967417 2461156.231363832 4.29143104976182 2305.37329185793 79.7436019464477 7.34685142712506 89513.2190963403 T K223/2 CATAB v2.0f-lin.ifort 2020-Nov-17 10:12:03 2020-Nov-17 10:12
2028-Jul-13 05:52 00:06 Earth 0.352644069931444 0.352558240051925 0.352729901816495 4.66023075597957 4.65860915530541 2461965.744274927 5.88469047398971 4481.17424160079 176.13312546514 17.2386040090097 297830.260766724 T K223/2 CATAB v2.0f-lin.ifort 2020-Nov-17 10:12:03 2020-Nov-17 10:12
2038-Mar-03 12:16 00:12 Jupiter 0.674364388032547 0.674347636520265 0.674381139531144 7.16555383113608 6.98806839458461 2465486.010897170 12.0843071710594 820.942630547951 199.467282051289 3.87908353131597 100334.707897841 T K223/2 CATAB v2.0f-lin.ifort 2020-Nov-17 10:12:03 2020-Nov-17 10:12
2084-Jun-10 20:46 04:01 Earth 0.43228161950226 0.429644625532521 0.434918621122163 15.056930802183 15.0565214331036 2482387.365595391 241.457378592997 131527.683601973 54.8634403538438 -1.36305273736011 21737.6558205384 T K223/2 CATAB v2.0f-lin.ifort 2020-Nov-17 10:12:03 2020-Nov-17 10:12
2095-Jul-22 04:37 07:14 Earth 0.196895176107108 0.194389499206838 0.199400906244731 7.91405475305699 7.91234463869243 2486445.692288941 433.994241644098 125053.583537953 117.008945565832 -2.76287412851757 7810.06048302447 T K223/2 CATAB v2.0f-lin.ifort 2020-Nov-17 10:12:03 2020-Nov-17 10:12
2108-Aug-08 03:42 00:32 Jupiter 0.694679109494229 0.693147069939892 0.69621139522374 6.81972635601294 6.63852896142448 2491210.654171883 31.4987908895272 79186.3060106336 723.361427722139 18.9964615843094 32591.2221067829 T K223/2 CATAB v2.0f-lin.ifort 2020-Nov-17 10:12:03 2020-Nov-17 10:12
2112-Jul-09 17:19 00:36 Earth 0.377516991380841 0.376757214306334 0.378277907292881 5.1275496589375 5.12617300658149 2492642.221195348 35.9458477738258 50151.4492099917 3315.56508567276 41.0362743413662 18062.9709635944 T K223/2 CATAB v2.0f-lin.ifort 2020-Nov-17 10:12:03 2020-Nov-17 10:12
2112-Aug-22 14:42 08:43 Mars 0.05074673644572 0.050056140588145 0.0514402362253792 7.87030213307916 7.86958528612714 2492686.112524681 522.524409355495 39480.1527722362 2044.3304887274 -29.0985224541516 1801.99002077371 T K223/2 CATAB v2.0f-lin.ifort 2020-Nov-17 10:12:03 2020-Nov-17 10:12
2120-Jun-15 07:03 00:38 Jupiter 0.519859009507588 0.51885970648976 0.520858578672182 6.28359924226883 6.01871722140262 2495539.793409955 38.1700699586342 53294.8766064941 760.550534074867 23.2573148717373 31386.6655205542 T K223/2 CATAB v2.0f-lin.ifort 2020-Nov-17 10:12:03 2020-Nov-17 10:12
2192-Aug-29 01:40 01:31 Jupiter 0.504986445503236 0.502307453275245 0.507665517770101 6.4948093131961 6.23120480784796 2521912.569751332 91.3770434421936 133903.071403422 409.435745194443 -11.6372496269015 34413.7473822262 T K223/2 CATAB v2.0f-lin.ifort 2020-Nov-17 10:12:03 2020-Nov-17 10:12

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 ]
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