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332482 (2008 EQ122)
Classification: Main-belt Asteroid          SPK-ID: 2332482
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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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 .1510917685837428 6.6017e-08  
a 2.423010331332878 1.6315e-08 au
q 2.056913415075112 1.6274e-07 au
i 3.859792252043639 6.9878e-06 deg
node 176.2154396166127 0.00010293 deg
peri 3.041728528524907 0.00010592 deg
M 90.41859519780972 2.6821e-05 deg
tp 2458654.491649398028
(2019-Jun-19.99164940)
0.00010071 TDB
period 1377.625984391841
3.77
1.3914e-05
3.809e-08
d
yr
n .2613191127916505 2.6394e-09 deg/d
Q 2.789107247590643 1.8781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      7969 days (21.82 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:37:41  

Additional Information
 Earth MOID = 1.0604 au 
 Jupiter MOID = 2.17052 au 
 T_jup = 3.494 
[ 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 17.7   n/a MPO418707  

332482 (2008 EQ122)          Discovered 2008-Mar-09 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

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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
2197-Aug-17 18:51 00:06 Iris 0.0234420762846547 0.0233770055744449 0.0235072008803477 7.00390387053788 7.00390383552428 2523727.285261304 5.58278092181387 3698.28442769525 115.074357760814 28.6627925498608 14637.6487526984 T 7 CATAB v2.0f-lin.ifort 2020-Nov-11 17:37:41 2020-Nov-11 17:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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