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163P/NEAT
Classification: Jupiter-family Comet          SPK-ID: 1000521
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2456364.5 (2013-Mar-13.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4532292334851692 1.0859e-06  
a 3.762261685581952 1.0095e-06 AU
q 2.057094705655023 4.5824e-06 AU
i 12.71791581387078 4.4679e-05 deg
node 102.1156775440929 0.00010454 deg
peri 349.6686757408043 0.00044655 deg
M 45.1358486292045 0.00022576 deg
tp 2456030.311856184245
(2012-Apr-12.81185618)
0.0015375 JED
period 2665.458508646017
7.30
0.0010728
2.937e-06
d
yr
n .1350611907228189 5.4358e-08 deg/d
Q 5.467428665508881 1.467e-06 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] -1.696153207973132E-8 1.749E-9
A2 [EST] 1.654574577473104E-10 2.154E-11
A3 [EST] 3.175708797877825E-9 3.582E-10
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      7812 days (21.39 yr)  
   first obs. used      1990-10-24  
   last obs. used      2012-03-14  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      1  
   fit RMS      .7127  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2013-Mar-03 19:29:26  

Additional Information
 Earth MOID = 1.07407 AU 
 T_jup = 2.862 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 13.5 mag n/a ICQ 2005 Handbook  
comet total magnitude slope K1 10.0   n/a ICQ 2005 Handbook  

[ 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
1900-Sep-14 11:27 01:43 Jupiter 1.80919555707567 1.80906541836631 1.80932577908516 8.97760824753328 8.92530655977861 2415276.977275211 103.871327348878 4692.11907531282 540.817983951482 -15.3915912488783 21381.411539757 T 33 CATAB v2.0c-linF95 2013-Mar-03 19:34:10 2013-Mar-03 19:35
1925-Aug-07 03:24 01:39 Jupiter 1.0227934614556 1.02259346669787 1.02299343565073 7.12322541568404 7.00600084840269 2424369.642077583 99.5737323284863 2355.3935585094 968.329276119616 30.3179805326696 11539.0741048734 T 33 CATAB v2.0c-linF95 2013-Mar-03 19:34:10 2013-Mar-03 19:35
1961-Jan-07 19:08 00:35 Jupiter 1.83610982030964 1.83554401898861 1.8366755103433 9.40654751961733 9.35737724602039 2437307.297716704 35.5216222673435 6226.33535022029 355.772144167036 -3.8272429182273 10440.1860186813 T 33 CATAB v2.0c-linF95 2013-Mar-03 19:34:10 2013-Mar-03 19:35
1972-Jan-10 16:36 00:15 Jupiter 1.84804927036534 1.84740786960085 1.84869054024409 9.33163296960274 9.28238693776762 2441327.192131381 15.3332350133462 6993.04418642033 131.477039046844 -8.49790260648142 48027.8549741016 T 33 CATAB v2.0c-linF95 2013-Mar-03 19:34:10 2013-Mar-03 19:35
2007-Jul-02 17:18 00:02 Jupiter 1.05425675556204 1.05420075005539 1.05431276007137 6.88077092756433 6.76299834403311 2454284.221282451 2.41572163046481 428.47746428931 30.4989930392555 -17.9322631532963 185171.082642669 T 33 CATAB v2.0c-linF95 2013-Mar-03 19:34:10 2013-Mar-03 19:35
2068-Jan-22 19:23 00:55 Jupiter 0.728201744986098 0.728054031282277 0.72834944168697 6.27397740575655 6.08575814329906 2476403.308241055 55.332666215508 1029.75847022549 703.526133817574 24.6586133352793 12079.153729144 T 33 CATAB v2.0c-linF95 2013-Mar-03 19:34:10 2013-Mar-03 19:35
2114-Nov-17 22:47 01:43 Jupiter 0.117348691544176 0.1171617904144 0.117535715119028 5.68762177720391 4.23238076286158 2493503.449319395 103.395638631434 1259.04694108534 624.265031972675 -70.8722845569833 2459.00010952671 T 33 CATAB v2.0c-linF95 2013-Mar-03 19:34:10 2013-Mar-03 19:35
2138-Jul-25 23:40 08:58 Jupiter 1.53410972044863 1.50722307303182 1.56063872364233 8.42170056975427 8.35588341287109 2502154.486655301 538.20190585778 286237.648687566 6069.11606900777 3.40416954450479 323.282420789901 T 33 CATAB v2.0c-linF95 2013-Mar-03 19:34:10 2013-Mar-03 19:35
2172-Dec-14 16:14 04:13 Jupiter 1.47700558657872 1.47313070702981 1.48087470751549 7.60458774234432 7.52879865062173 2514715.176557374 253.459942151103 40609.1497035749 8866.80608203888 -19.3039560489056 1224.92671606452 T 33 CATAB v2.0c-linF95 2013-Mar-03 19:34:10 2013-Mar-03 19:35
2197-Feb-04 17:23 1_13:55 Jupiter 0.495614356719748 0.490009699683514 0.50131675493239 4.58393234775194 4.19456371308337 2523533.224539710 2275.2818331761 39058.3866279036 1224.06089174328 -49.4819176729446 3484.23036785856 T 33 CATAB v2.0c-linF95 2013-Mar-03 19:34:10 2013-Mar-03 19:35

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2005.0   163P/2004 V4       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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