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365756 ISON (2010 WZ71)
Classification: Centaur          SPK-ID: 2365756
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5233359507796882 1.0211e-06  
a 5.72903718847211 1.1646e-05 au
q 2.730826064390866 6.904e-07 au
i 19.97451683632948 2.5351e-05 deg
node 220.0104747625822 4.3045e-05 deg
peri 268.4378561482107 6.2923e-05 deg
M 231.2758283467155 0.00071844 deg
tp 2460791.429515579586
(2025-Apr-25.92951558)
0.015456 TDB
period 5008.652355870103
13.71
0.015273
4.182e-05
d
yr
n .07187562130920959 2.1917e-07 deg/d
Q 8.727248312553353 1.7741e-05 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      1679 days (4.60 yr)  
   first obs. used      2008-10-29  
   last obs. used      2013-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .71732  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 05:47:44  

Additional Information
 Earth MOID = 1.83619 au 
 Jupiter MOID = .57167 au 
 T_jup = 2.589 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO339148  

365756 ISON           Discovered 2010 Nov. 4 by L. Elenin at Mayhill-ISON.
The International Scientific Optical Network (ISON) is an international collaboration of optical observatories. The main scientific tasks of the ISON network are the study of the populations of space debris and minor solar-system, and observation of the optical counterparts of gamma-ray bursts.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-02-03Last Updated: 2015-02-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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