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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 2456981.5 (2014-Nov-20.0) TDB
Reference: JPL K074/8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5628244079158597 2.6126e-07  
a 3.354339194164031 1.365e-07 AU
q 1.466435223259698 8.9468e-07 AU
i 4.258296134353142 1.8549e-05 deg
node 159.3022588026306 0.00049769 deg
peri 219.668072843914 0.00047865 deg
M 26.53858219461345 2.8689e-05 deg
tp 2456816.081488502905
(2014-Jun-07.58148850)
0.00017803 JED
period 2243.927867067489
6.14
0.00013697
3.75e-07
d
yr
n .1604329645722843 9.7926e-09 deg/d
Q 5.242243165068364 2.1332e-07 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 3.613559859011706E-9 1.33E-11
A2 [EST] -1.497270828257041E-9 1.182E-12
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      29956 days (82.02 yr)  
   first obs. used      1932-10-21  
   last obs. used      2014-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      1.0452  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2014-Nov-10 13:31:56  

Additional Information
 Earth MOID = .471189 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. K074/8 2 parameter fit from 308 observations, autocmod 2.6
comet total magnitude slope K1 11.   n/a K074/8 autocmod 2.6

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 10:03 00:04 Jupiter 0.0875909345171233 0.0875817385765218 0.0876001305659226 5.61383376272922 3.48922834252627 2423065.918581081 3.83555195071986 30.248522413078 8.96270910181525 -1.44715663394792 38543.9073002162 T K074/8 CATAB v2.0c-linF95 2014-Nov-10 13:42:02 2014-Nov-10 13:42
1958-Mar-28 09:06 < 00:01 Jupiter 1.32906084234524 1.32904917592187 1.32907250868307 7.08498187314705 6.9944513740026 2436290.879159564 0.526496973413689 108.568996905332 23.5548423874054 -1.14380310115017 216907.690546729 T K074/8 CATAB v2.0c-linF95 2014-Nov-10 13:42:02 2014-Nov-10 13:42
1969-May-04 20:40 < 00:01 Jupiter 1.6011424270352 1.60112712550439 1.60115772846073 7.90064530733393 7.8334011497957 2440346.360925302 0.569599512651629 147.392403134212 33.8172800672185 1.59776808500871 215059.478344737 T K074/8 CATAB v2.0c-linF95 2014-Nov-10 13:42:02 2014-Nov-10 13:42
2005-Sep-20 04:39 00:01 Jupiter 0.390366273608308 0.390363396230841 0.390369151004064 4.74953843043235 4.26831181063972 2453633.693746865 1.08016299426147 19.4347876095482 7.11387578333053 -56.9218600371722 553634.281924031 T K074/8 CATAB v2.0c-linF95 2014-Nov-10 13:42:02 2014-Nov-10 13:42
2016-Dec-31 23:21 00:01 Jupiter 0.332916619192826 0.332909479662547 0.332923758707654 4.80770291906212 4.24564611311897 2457754.473006484 1.40091203092755 27.5466400939318 20.2890820632693 16.3624427401398 147888.152418871 T K074/8 CATAB v2.0c-linF95 2014-Nov-10 13:42:02 2014-Nov-10 13:42
2053-Jul-03 09:35 00:16 Jupiter 0.247996960320085 0.247874467927033 0.248119453639909 4.63939928113079 3.83315995288953 2471086.899025071 15.9065884569273 527.75579532619 14.0810714861579 -28.5101720244741 92967.2214994013 T K074/8 CATAB v2.0c-linF95 2014-Nov-10 13:42:02 2014-Nov-10 13:42
2064-Oct-18 01:57 00:09 Jupiter 0.707963648626249 0.707087790832888 0.708838844964752 5.41478713394659 5.18913074389853 2475211.581304760 9.15209544728985 5324.15169383362 16.8704661723495 -8.66094084769668 81545.1979478995 T K074/8 CATAB v2.0c-linF95 2014-Nov-10 13:42:02 2014-Nov-10 13:42
2112-Dec-18 23:13 02:34 Jupiter 1.60113640706683 1.59648146143328 1.6057793962126 8.01109914731549 7.94478966817107 2492804.467111797 153.551610530433 52031.3905363697 86.2266231042917 -1.36489893992696 8029.5856197652 T K074/8 CATAB v2.0c-linF95 2014-Nov-10 13:42:02 2014-Nov-10 13:42
2124-Apr-07 07:47 03:25 Jupiter 0.318859504898134 0.317077340766913 0.320639877589885 4.5377576590246 3.90876178425366 2496931.824617491 204.614777400758 7689.3413032822 15.244497307445 -22.8108987131688 87690.1752058104 T K074/8 CATAB v2.0c-linF95 2014-Nov-10 13:42:02 2014-Nov-10 13:42
2183-Aug-01 12:26 2_10:45 Jupiter 0.102394031743381 0.0794529459860722 0.126118612194867 5.28836793444784 3.37971339465529 2518597.018281060 3524.6075108153 81826.0424054224 15.686508173342 -21.6537577568457 27429.3287785514 T K074/8 CATAB v2.0c-linF95 2014-Nov-10 13:42:02 2014-Nov-10 13:42

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 
 1959.1       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 
 1903.8       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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