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82P/Gehrels 3
Classification: Encke-type Comet          SPK-ID: 1000031
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2455600.5 (2011-Feb-08.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1228436023814659 4.31e-07  
a 4.142151524005956 3.0939e-07 AU
q 3.633314709187186 1.922e-06 AU
i 1.125906251496336 2.67e-05 deg
node 239.4617259875922 0.0016924 deg
peri 226.3510356473145 0.0016897 deg
M 45.78576051994936 0.00011331 deg
tp 2455208.879577925085
(2010-Jan-12.37957792)
0.00093338 JED
period 3079.196465144254
8.43
0.00034499
9.445e-07
d
yr
n .1169136182361572 1.3099e-08 deg/d
Q 4.650988338824726 3.474e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      12922 days (35.38 yr)  
   first obs. used      1975-10-27  
   last obs. used      2011-03-14  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .85149  
   data source      ORB  
   producer      Alan B. Chamberlin  
   solution date      2011-Mar-16 14:54:31  

Additional Information
 Earth MOID = 2.64987 AU 
 T_jup = 3.027 
[ 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 5. mag n/a ICQ 2003 Handbook  
comet total magnitude slope K1 20.0   n/a ICQ 2003 Handbook  
diameter diameter 1.46 km n/a Lamy,P.L.,Toth,I.,Fernandez,Y.R.,Weaver,H.A. (2004) Comets II, pp. 223-264  

82P/Gehrels 3          Discovered 1975-Oct-27 by Gehrels, Tom at Palomar Mountain Observatory, California (675)
discovered on plate/photo taken on discovery date as well as 10/28,30
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
1970-Aug-15 13:08 00:13 Jupiter 0.00143660914422825 0.00143468558923627 0.00143853270005415 34.2704125729722 n/a 2440814.047365377 13.6404538042216 95.9354606992799 1.14869428743972 1.03101414009211 1493.53746287267 F 15 CATAB v2.0c-linF95 2011-Mar-16 15:05:02 2011-Mar-16 15:05
1973-Mar-24 21:52 00:03 Jupiter 0.0406978679637274 0.0406968483822897 0.0406988875545688 6.18173002774198 n/a 2441766.411603659 3.68827101997255 60.0410146157913 13.1572568412675 -33.035919212468 261031.512479417 F 15 CATAB v2.0c-linF95 2011-Mar-16 15:05:02 2011-Mar-16 15:05
2000-Aug-21 07:45 00:12 Jupiter 1.25322077773357 1.25321391368955 1.25322764174854 2.45718289415817 2.16471584146616 2451777.822951095 12.4738106584405 19.9606218592462 14.6812705333009 19.2856551107126 401633.261446996 T 15 CATAB v2.0c-linF95 2011-Mar-16 15:05:02 2011-Mar-16 15:05
2028-Apr-03 00:33 00:27 Jupiter 1.54731393283101 1.54729920100558 1.54732866465703 2.95305488810675 2.76146765074336 2461864.523064667 27.1066265479889 34.1620349186821 14.3629228590658 -0.0777799496449958 334102.826807417 T 15 CATAB v2.0c-linF95 2011-Mar-16 15:05:02 2011-Mar-16 15:05
2057-Aug-08 00:17 00:20 Jupiter 0.123075999681361 0.123066743790117 0.123085255588871 3.37022494430729 n/a 2472583.512416256 20.3117815255216 467.483095812338 143.175659903555 9.60018256588383 44086.5983726592 F 15 CATAB v2.0c-linF95 2011-Mar-16 15:05:02 2011-Mar-16 15:05
2060-Apr-10 10:07 00:47 Jupiter 0.417545649502164 0.417363665694925 0.417727649617544 0.734322907170742 n/a 2473559.921834080 47.3135063599194 9985.54107777338 1410.8862358009 24.9220233633514 19450.6824254043 F 15 CATAB v2.0c-linF95 2011-Mar-16 15:05:02 2011-Mar-16 15:05
2063-May-23 21:36 1_22:03 Jupiter 0.0765947753531086 0.074221746670539 0.0789678048819719 4.39195499904286 n/a 2474698.400184759 2763.74655557746 118334.048168399 72.7381041148081 -0.194298522019438 96.3213107072829 F 15 CATAB v2.0c-linF95 2011-Mar-16 15:05:02 2011-Mar-16 15:05
2147-Feb-27 13:54 1_10:59 Jupiter 0.0808261520726982 0.0795209729403459 0.0821315415314127 4.24411624290769 n/a 2505293.079367555 2099.58151587942 65413.1694011394 86.7142649243482 -5.70356200379405 13032.1969636065 F 15 CATAB v2.0c-linF95 2011-Mar-16 15:05:02 2011-Mar-16 15:05
2150-Feb-05 16:55 2_21:15 Jupiter 0.007118157490182 0.00700150013550698 0.00723481485454149 15.280927947518 n/a 2506367.205534891 4155.27323719296 5817.24559497835 31.7078009833478 -0.128938030198706 170.733473852952 F 15 CATAB v2.0c-linF95 2011-Mar-16 15:05:02 2011-Mar-16 15:05

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1993.2       1993 XIV   1992v 
 1984.7   82P/1984 P1   1985 IV   1984l 
 1976.3   82P/1975 U1   1977 VII   1975o 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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