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305216 (2007 WA58)
Classification: Main-belt Asteroid          SPK-ID: 2305216
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2737103100341081 7.0104e-08  
a 2.611969490859589 2.801e-08 au
q 1.89704651171678 1.9923e-07 au
i 6.531633786724416 5.0071e-06 deg
node 99.50510461782041 4.9002e-05 deg
peri 290.75583876 5.0564e-05 deg
M 22.70939585341952 1.4152e-05 deg
tp 2458903.235657227825
(2020-Feb-23.73565723)
5.9463e-05 TDB
period 1541.880005262694
4.22
2.4802e-05
6.79e-08
d
yr
n .2334812039661062 3.7556e-09 deg/d
Q 3.326892470002399 3.5676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      6326 days (17.32 yr)  
   first obs. used      2002-07-08  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54863  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:13:31  

Additional Information
 Earth MOID = .914572 au 
 Jupiter MOID = 2.14683 au 
 T_jup = 3.346 
[ 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 16.5   n/a MPO450228  

305216 (2007 WA58)          Discovered 2007-Nov-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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