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259P/Garradd (2008 R1)
Classification: Encke-type Comet          SPK-ID: 1002991
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2455618.5 (2011-Feb-26.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .34152970302507 7.028e-07  
a 2.727440935461766 6.8387e-08 au
q 1.79593884275509 1.9484e-06 au
i 15.89853730255651 2.5762e-05 deg
node 51.9696957134415 0.000188 deg
peri 256.5909059738796 0.0002245 deg
M 206.9965918832171 6.65e-05 deg
tp 2456317.746115587973
(2013-Jan-25.24611559)
0.00029026 TDB
period 1645.248329498213
4.50
6.1879e-05
1.694e-07
d
yr
n .2188119529103531 8.2296e-09 deg/d
Q 3.658943028168442 9.1743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      3306 days (9.05 yr)  
   first obs. used      2008-09-02  
   last obs. used      2017-09-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .78167  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:08  

Additional Information
 Earth MOID = .857638 au 
 Jupiter MOID = 1.9249 au 
 T_jup = 3.217 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 13.7   1. 14 2 parameter fit from 57 observations, autocmod 2.9c
comet total magnitude slope K1 22.   n/a 14 autocmod 2.9c
comet nuclear magnitude M2 18.9   01. 14 from 9 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 14 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 14 autocmod 2.9c

[ 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
1942-Jul-12 22:50 00:06 Jupiter 1.91649621986176 1.91649075340155 1.91650168960369 3.09416169006944 2.94786505471638 2430553.451543053 6.4391813391563 4346.67208153973 150.950015851723 -86.9014224883638 260887.589582381 T 14 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:08 2021-Apr-15 23:28
1979-Feb-05 12:34 00:04 Jupiter 1.9849664516348 1.98495891881806 1.98497400068686 1.30419926324652 0.920596605108726 2443910.023419240 4.36081798120069 15323.3839964356 5522.91885801551 85.1855827407528 81903.7126379941 T 14 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:08 2021-Apr-15 23:28
2037-Jan-25 12:02 00:06 Jupiter 1.99464924057429 1.99464131300357 1.99465716922996 3.59339917628658 3.47321507298421 2465084.001377737 5.81941578461886 2901.07527186423 195.976623031098 -83.8894058543495 339207.356124219 T 14 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:08 2021-Apr-15 23:28
2073-Aug-08 12:57 00:10 Jupiter 1.93755612145542 1.93754943212803 1.93756282495947 1.91611517079072 1.67247626449067 2478428.039778974 9.84849728628255 14069.3670933993 1091.45308848163 -89.760184659338 131441.704585009 T 14 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:08 2021-Apr-15 23:28
2168-Feb-21 09:04 00:20 Jupiter 1.94167119531999 1.94166569991602 1.94167669342331 2.44306262113152 2.25745154240606 2512956.877543958 19.9887541011421 4448.69887478044 481.174392886633 -87.1257819430955 103432.614082027 T 14 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:08 2021-Apr-15 23:28

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2008.6   259P/2008 R1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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