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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 2456908.5 (2014-Sep-08.0) TDB
Reference: JPL K074/7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5627559824200953 4.0506e-07  
a 3.353639907929309 1.8328e-07 AU
q 1.466358986859313 1.399e-06 AU
i 4.258176426174414 2.252e-05 deg
node 159.3058969898105 0.00056585 deg
peri 219.6558478138981 0.0005483 deg
M 14.83388938124628 3.0205e-05 deg
tp 2456816.067307106820
(2014-Jun-07.56730711)
0.00018772 JED
period 2243.226209008518
6.14
0.00018389
5.035e-07
d
yr
n .1604831463515738 1.3156e-08 deg/d
Q 5.240920828999306 2.8642e-07 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 3.494249378879988E-9 1.61E-11
A2 [EST] -1.494492452761335E-9 1.186E-12
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      29881 days (81.81 yr)  
   first obs. used      1932-10-21  
   last obs. used      2014-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      1.0867  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2014-Aug-29 13:21:36  

Additional Information
 Earth MOID = .471416 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. K074/7 2 parameter fit from 288 observations, autocmod 2.5c
comet total magnitude slope K1 11.   n/a K074/7 autocmod 2.5c

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-11 09:44 00:04 Jupiter 0.0876039788729645 0.0875945133264648 0.0876134445239987 5.61361642202851 3.48929134057982 2423065.905450759 4.08393705925176 31.3667255866482 10.3108001735577 -4.65260351566985 37790.1861828769 T K074/7 CATAB v2.0c-linF95 2014-Aug-29 13:32:01 2014-Aug-29 13:32
1958-Mar-28 09:09 < 00:01 Jupiter 1.32904010959408 1.32902757989219 1.32905263920137 7.08497469653631 6.99444268310529 2436290.881098828 0.58453341690149 112.672586119588 24.6538097722557 -0.5207798431813 208374.195618515 T K074/7 CATAB v2.0c-linF95 2014-Aug-29 13:32:01 2014-Aug-29 13:32
1969-May-04 20:35 < 00:01 Jupiter 1.60112047607782 1.60110379172823 1.60113716030598 7.90062671866908 7.83338147570043 2440346.357945977 0.700883207637443 158.759366075224 39.4728069365827 2.7103255736192 201566.411810094 T K074/7 CATAB v2.0c-linF95 2014-Aug-29 13:32:01 2014-Aug-29 13:32
2005-Sep-20 04:47 00:01 Jupiter 0.390358377097418 0.390354567200398 0.390362187014151 4.74957947925519 4.26834720408608 2453633.699384377 1.35131204443088 21.3225734131035 8.73119646355794 -52.6973693568343 436187.169597769 T K074/7 CATAB v2.0c-linF95 2014-Aug-29 13:32:01 2014-Aug-29 13:32
2016-Dec-31 23:33 00:02 Jupiter 0.332886742028939 0.332876125277618 0.332897358751535 4.80772183396695 4.24561374730243 2457754.481526559 1.85516919004309 40.2880706267192 25.0718815433397 -9.88651531971688 100126.150716719 T K074/7 CATAB v2.0c-linF95 2014-Aug-29 13:32:01 2014-Aug-29 13:32
2053-Jul-03 06:50 00:21 Jupiter 0.247572647418965 0.247410209508011 0.247735086256746 4.63953380281674 3.83179540111585 2471086.784400680 20.6554488967273 695.339060895626 18.5271192681387 -28.1122440738903 69582.0325734293 T K074/7 CATAB v2.0c-linF95 2014-Aug-29 13:32:01 2014-Aug-29 13:32
2064-Oct-18 01:25 00:13 Jupiter 0.710915955024742 0.709758846484339 0.712071909367722 5.42238952596656 5.19801917901308 2475211.559181221 12.8497232747691 7052.92141256624 19.5699262294104 -8.60471259485918 70225.7156393368 T K074/7 CATAB v2.0c-linF95 2014-Aug-29 13:32:01 2014-Aug-29 13:32
2112-Dec-17 10:56 03:22 Jupiter 1.61681198063097 1.61071868516148 1.62288496665076 8.05498731360642 7.98968409230425 2492802.955803453 202.009787013399 68638.844371852 113.559536202163 -1.38280000227712 6288.32633194201 T K074/7 CATAB v2.0c-linF95 2014-Aug-29 13:32:01 2014-Aug-29 13:32
2124-Apr-08 20:48 04:45 Jupiter 0.312840250156125 0.31050038440575 0.315177092898288 4.53249912730247 3.88953726617939 2496933.366481192 285.019114420055 10001.462114987 16.5591335911725 -22.7852549889484 78938.7777409866 T K074/7 CATAB v2.0c-linF95 2014-Aug-29 13:32:01 2014-Aug-29 13:32
2148-Oct-14 04:23 18:32 Jupiter 1.97512646825357 1.9322599384699 2.01719353021496 8.35638572393799 8.30490776403869 2505887.682946075 1112.06246535325 533677.28743047 77.2829256827835 7.1119170312252 64965.6026818479 T K074/7 CATAB v2.0c-linF95 2014-Aug-29 13:32:01 2014-Aug-29 13:32
2183-Jul-22 12:58 1_23:52 Jupiter 0.186287452833741 0.152871030625593 0.219393415230111 4.67768507519548 3.5758946454327 2518587.040482549 2871.96546505552 118405.050946401 19.450331542217 -17.9631107681525 31018.0549105144 T K074/7 CATAB v2.0c-linF95 2014-Aug-29 13:32:01 2014-Aug-29 13:32

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1996.0       1994 XXIII   1994j 
 1989.9       1987 XXIV   1987m 
 1977.6       1980 IX   1980f 
 1971.4       1974 I   1973j 
 1959.2       1960 VI   1960h 
 1953.0       1953 V   1953b 
 1946.9       1946 IV   1946e 
 1940.7       1939 VII   1939g 
 1934.6       1932 VIII   1932m 
 1922.3       1925 IX   1925g 
 1910.0       1911 I   1910d 
 1903.9       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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