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16P/Brooks 2
Classification: Jupiter-family Comet          SPK-ID: 1000008
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2454740.5 (2008-Oct-01.0) TDB
Reference: JPL K074/5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.5627722432037660649228 4.5687e-07  
a 3.3542546059217359655235 1.8085e-06 AU
q 1.4665732170705960690781 2.254e-06 AU
i 4.2580642568509210477145 1.7686e-05 deg
node 159.3684104561592 0.00024124 deg
peri 219.4791568971276 0.00023871 deg
M 27.49885781345255 8.2885e-05 deg
tp 2454569.102446434448
(2008-Apr-12.60244643)
0.00039741 JED
period 2243.84298803179
6.14
0.0018147
4.968e-06
d
yr
n .1604390333549041 1.2976e-07 deg/d
Q 5.241935994772875 2.8263e-06 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 4.648033080841563E-9 2.447E-10
A2 [EST] -1.317527574283039E-9 2.056E-12
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      7997 days (21.89 yr)  
   first obs. used      1987-04-11  
   last obs. used      2009-03-03  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      2  
   fit RMS      .95298  
   data source      ORB  
   producer      Nick Mastrodemos  
   solution date      2009-Apr-10 09:34:11  

Additional Information
 Earth MOID = .471352 AU 
 T_jup = 2.875 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.8 mag 01. K074/5 2 parameter fit from 279 observations, autocmod 2.4a
comet total magnitude slope K1 11.   n/a K074/5 autocmod 2.4a

16P/Brooks 2          Discovered 1889-Jul-07 by Brooks, William R. at Geneva, New York
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
1922-Jan-10 16:01 00:17 Jupiter 0.0888168996745405 0.0887394773578458 0.0888943289980637 5.59204656385781 3.49249631667711 2423065.167541308 17.9325569244572 279.772937403457 11.3931326412574 19.3409969715802 30267.5335224094 T K074/5 CATAB v2.0b-linF95 2009-Apr-10 09:37:01 2009-Apr-10 09:37
1958-Mar-28 12:20 00:07 Jupiter 1.3287062536992 1.32863061128774 1.32878189368621 7.08419367986303 6.99362865679588 2436291.014443417 7.52488445119964 589.175367757403 12.553455554685 -0.970516111081402 47653.4116439743 T K074/5 CATAB v2.0b-linF95 2009-Apr-10 09:37:01 2009-Apr-10 09:37
1969-May-04 22:17 00:02 Jupiter 1.60071472497182 1.60062523358142 1.60080421310286 7.89989385336677 7.83262519672731 2440346.428492516 2.89393357728689 824.000272935601 17.506331238205 1.25718285857178 52163.8289404625 T K074/5 CATAB v2.0b-linF95 2009-Apr-10 09:37:01 2009-Apr-10 09:37
2005-Sep-20 07:57 00:02 Jupiter 0.390451712998037 0.390441285899373 0.390462140020726 4.75018289975753 4.26914013507611 2453633.831865082 2.12814847766262 42.6038579085739 8.31029150475449 -0.600670831814388 107687.542556371 T K074/5 CATAB v2.0b-linF95 2009-Apr-10 09:37:01 2009-Apr-10 09:37
2016-Dec-31 21:41 00:05 Jupiter 0.333149653614961 0.333137025784341 0.333162281533868 4.80886064134513 4.2473760665344 2457754.403617028 5.80261067672308 60.1526555866208 12.3754771198047 -33.1304592201743 180667.723288419 T K074/5 CATAB v2.0b-linF95 2009-Apr-10 09:37:01 2009-Apr-10 09:37
2053-Jul-03 05:43 00:26 Jupiter 0.247416666984736 0.247133311313815 0.247700024705741 4.64027529945611 3.83213034007205 2471086.738719975 26.647214180488 1225.58166666329 13.3188305477418 -28.4452898203888 97739.8760481191 T K074/5 CATAB v2.0b-linF95 2009-Apr-10 09:37:01 2009-Apr-10 09:37
2064-Oct-17 20:19 00:37 Jupiter 0.712657697056738 0.710595968118403 0.714715720756188 5.4278767127016 5.20430250910643 2475211.346596289 37.1812607155553 12621.3858037012 17.2500556779617 -8.40447157406915 78005.5710522098 T K074/5 CATAB v2.0b-linF95 2009-Apr-10 09:37:01 2009-Apr-10 09:37
2112-Dec-16 21:47 05:33 Jupiter 1.62109317323902 1.61041162117405 1.63171287387212 8.06890366422905 8.00388684783938 2492802.408296194 333.766947205862 119970.199392554 56.2576160755591 -1.42753518616485 13173.3839625052 T K074/5 CATAB v2.0b-linF95 2009-Apr-10 09:37:01 2009-Apr-10 09:37
2124-Apr-09 01:47 08:57 Jupiter 0.311027478536233 0.306918436144764 0.315127449290108 4.5321739233736 3.88509864013138 2496933.574367703 537.565942295147 17488.6585605005 26.6568479753243 -22.7975362924103 48759.474966492 T K074/5 CATAB v2.0b-linF95 2009-Apr-10 09:37:01 2009-Apr-10 09:37
2148-Oct-16 09:02 1_08:35 Jupiter 1.94835639867581 1.87224825647859 2.02195068663804 8.28042028932426 8.22775098367399 2505889.876837627 1955.8063995543 929554.723723328 131.152601331861 7.23635678676142 38074.5691266948 T K074/5 CATAB v2.0b-linF95 2009-Apr-10 09:37:01 2009-Apr-10 09:37
2183-Jul-19 23:42 3_00:36 Jupiter 0.20789676139038 0.149320651225859 0.265099910956557 4.61723662749664 3.62910211922109 2518584.487888403 4356.34334273233 210104.493138739 30.6822511978107 -17.3606799255138 21109.3782501381 T K074/5 CATAB v2.0b-linF95 2009-Apr-10 09:37:01 2009-Apr-10 09:37

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1996.0       1994 XXIII   1994j 
 1989.8       1987 XXIV   1987m 
 1977.6       1980 IX   1980f 
 1971.4       1974 I   1973j 
 1959.1       1960 VI   1960h 
 1953.0       1953 V   1953b 
 1946.8       1946 IV   1946e 
 1940.7       1939 VII   1939g 
 1934.6       1932 VIII   1932m 
 1922.3       1925 IX   1925g 
 1910.0       1911 I   1910d 
 1903.8       1903 V   1903d 
 1897.7   16P/1896 M1   1896 VI   1896c 
 1891.6   16P/1889 N1   1889 V   1889d 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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