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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08925772905572626 3.8821e-08  
a 2.167149040180198 1.2975e-08 au
q 1.973714238328417 8.3684e-08 au
i 7.871290540310606 5.4937e-06 deg
node 82.86915567499091 4.6769e-05 deg
peri 316.5592069887609 6.5189e-05 deg
M 349.9323410386401 4.7489e-05 deg
tp 2459429.087991279215
(2021-Aug-02.58799128)
0.00015384 TDB
period 1165.283498928985
3.19
1.0465e-05
2.865e-08
d
yr
n .308937696561289 2.7745e-09 deg/d
Q 2.36058384203198 1.4133e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62833  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:52:19  

Additional Information
 Earth MOID = .990171 au 
 Jupiter MOID = 2.94413 au 
 T_jup = 3.674 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457040.5 (2015-Jan-18.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0895426486326415 3.8726e-08  
q 1.973246746680194 8.3506e-08 au
tp 2457097.592072165028
(2015-Mar-16.09207217)
0.00014587 TDB
node 82.93946489112774 4.6741e-05 deg
peri 316.386420825832 6.5098e-05 deg
i 7.873885694883678 5.4959e-06 deg
  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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62833  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:52:19  

Additional Information
 Jupiter MOID = 2.94413 au 
 T_jup = 3.674 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.499708451276983E-15 -3.201896760883804E-15 -1.28980241181455E-12 3.202006092667253E-15 -4.250876984659809E-13 -1.979388946060984E-16
q -3.201896760883804E-15 6.973221370953528E-15 3.326556380657455E-12 -5.811996923243783E-15 1.080880470077541E-12 6.95775090277791E-16
tp -1.28980241181455E-12 3.326556380657455E-12 2.127765550738516E-8 1.506163675984848E-11 6.650760020147072E-9 5.239257025680449E-13
node 3.202006092667253E-15 -5.811996923243783E-15 1.506163675984848E-11 2.184691411205326E-9 -2.159833166227363E-9 1.269564206319964E-10
peri -4.250876984659809E-13 1.080880470077541E-12 6.650760020147072E-9 -2.159833166227363E-9 4.237710538991937E-9 -1.256327801356154E-10
i -1.979388946060984E-16 6.95775090277791E-16 5.239257025680449E-13 1.269564206319964E-10 -1.256327801356154E-10 3.02051906460755E-11

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

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