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258P/PANSTARRS
Classification: Jupiter-family Comet          SPK-ID: 1003186
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456446.5 (2013-Jun-03.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2101546347949499 1.6541e-06  
a 4.403481920159264 4.6429e-07 au
q 3.478069785402029 7.5688e-06 au
i 6.745154014762309 3.9858e-05 deg
node 126.3067565250316 0.00037936 deg
peri 25.79541093834268 0.0012967 deg
M 86.07767096655573 0.00082995 deg
tp 2455639.486573868072
(2011-Mar-18.98657387)
0.0076968 TDB
period 3375.14747024665
9.24
0.0005338
1.461e-06
d
yr
n .1066620060822681 1.6869e-08 deg/d
Q 5.328894054916498 5.6186e-07 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      6537 days (17.90 yr)  
   first obs. used      2002-03-11  
   last obs. used      2020-02-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .4556  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:07  

Additional Information
 Earth MOID = 2.49081 au 
 Jupiter MOID = .087246 au 
 T_jup = 2.968 
[ 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 16.5   0.6 8 2 parameter fit from 37 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 8 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
1917-Dec-26 03:01 1_15:37 Jupiter 0.671104788037827 0.667758137873039 0.6770668622923 2.89983042431835 2.42585107439157 2421588.625536927 2376.70730870443 2325977.81694055 1833.32593843968 -89.1181892570044 74323.5535531978 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:08 2021-Apr-15 23:28
1928-Sep-15 19:35 1_01:08 Jupiter 0.490959552786645 0.490444304452078 0.491526436804987 2.80424206307286 2.10078456285469 2425505.315760444 1507.59112002097 298982.118315711 660.331332575199 -80.2146778437039 68212.7953744594 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:08 2021-Apr-15 23:28
1940-Apr-18 12:02 00:41 Jupiter 0.508231346983831 0.507217296588003 0.509247931807015 3.78162007324366 3.31171165020656 2429738.001414748 41.1981938643268 78836.3268048984 527.66792877037 58.0780130456915 100941.944201283 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:08 2021-Apr-15 23:28
1992-Nov-18 00:19 02:10 Jupiter 1.59846869377792 1.5984159574252 1.59852143581464 4.00499080823836 3.8704210292224 2448944.512926165 129.809798035036 5541.25960878567 307.419804586584 -62.4802250825824 287187.428211756 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:08 2021-Apr-15 23:28
1999-May-25 08:20 00:41 Jupiter 1.06103686093764 1.06086720102476 1.06120652227264 5.39411808283559 5.24403622714432 2451323.847386450 40.6857188391958 8683.93950382763 503.543634484218 19.3623359937296 69248.2840627729 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:08 2021-Apr-15 23:28
2032-Sep-02 07:03 00:47 Jupiter 1.02949675681904 1.02938276319143 1.02961075087841 5.63365544450709 5.48566912881591 2463477.793744288 47.047128826613 5786.41679439572 789.821661392387 17.3261321633938 42054.7685566092 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:08 2021-Apr-15 23:28
2039-Mar-28 12:00 01:46 Jupiter 1.5904319112636 1.59037882989491 1.59048499826736 4.22361557542752 4.09558063615814 2465875.999962329 105.724466628306 5538.98750526463 399.74024741122 64.5646179035871 224696.338135506 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 23:28:08 2021-Apr-15 23:28
2091-Sep-27 13:03 04:37 Jupiter 0.16878651565054 0.167634582594946 0.169942053110899 4.48417118386667 3.1735118878442 2485052.043836114 277.403131139383 73158.8483492875 626.271180025359 -41.9724804002656 30781.1702792698 T 8 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 
 2011.2   258P/2012 H1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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