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245617 (2005 WZ120)
Classification: Main-belt Asteroid          SPK-ID: 2245617
[ 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08990144850212112 3.886e-08  
a 2.167712107462673 1.286e-08 au
q 1.972831649066193 8.3924e-08 au
i 7.874005525900166 5.4951e-06 deg
node 82.8899455134855 4.6733e-05 deg
peri 316.4198252555008 6.4896e-05 deg
M 227.8008314865559 4.664e-05 deg
tp 2459428.582086412603
(2021-Aug-02.08208641)		 0.00015268 TDB
period 1165.737673250681
3.19		 1.0374e-05
2.84e-08		 d
yr
n .3088173336597533 2.7481e-09 deg/d
Q 2.362592565859153 1.4016e-08 au
   Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      5875 days (16.08 yr)  
   first obs. used      2003-01-05  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63766  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:58:47  

Additional Information
 Earth MOID = .989875 au 
 Jupiter MOID = 2.94438 au 
 T_jup = 3.674 
[ 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 16.9   n/a MPO418312  

245617 (2005 WZ120)          Discovered 2005-Nov-30 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ 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
2006-Oct-13 00:38 00:01 Vesta 0.0465879173435705 0.0465862568162934 0.0465895778738244 3.34598321388365 3.34598245057956 2454021.526105468 1.17650486994011 93.0803954276797 74.1923947084167 -50.3986929273426 86180.1932370088 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 05:58:50 2019-Jul-14 05:58

Alternate Designations
 2005 WZ120 = 2003 AV52 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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