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JPL Small-Body Database Browser
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277489 (2005 WR79)
Classification: Main-belt Asteroid          SPK-ID: 2277489
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213857999581096 5.2482e-08  
a 2.362701475925765 1.9312e-08 au
q 1.857418864676978 1.2232e-07 au
i 1.917891023198148 5.3631e-06 deg
node 288.7008459357318 0.00018564 deg
peri 358.4164533534101 0.00018619 deg
M 26.95412028263542 1.4551e-05 deg
tp 2458501.180536013717
(2019-Jan-17.68053601)
5.3194e-05 TDB
period 1326.513596442485
3.63
1.6264e-05
4.453e-08
d
yr
n .2713880965603875 3.3274e-09 deg/d
Q 2.867984087174553 2.3442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      5089 days (13.93 yr)  
   first obs. used      2005-11-25  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54006  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:10:53  

Additional Information
 Earth MOID = .840394 au 
 Jupiter MOID = 2.30182 au 
 T_jup = 3.518 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO440345  

277489 (2005 WR79)          Discovered 2005-Nov-25 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

Alternate Designations
 2005 WR79 = 2008 SH220 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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