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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213785587844034 5.1811e-08  
a 2.363221656922155 1.9001e-08 au
q 1.8579989257913 1.2028e-07 au
i 1.917946770742122 5.1671e-06 deg
node 288.6977265579573 0.00018199 deg
peri 358.4901995591289 0.00018253 deg
M 135.4254797450562 1.5037e-05 deg
tp 2458501.324805594675
(2019-Jan-17.82480559)
5.3e-05 TDB
period 1326.951695679536
3.63
1.6004e-05
4.382e-08
d
yr
n .271298496525635 3.272e-09 deg/d
Q 2.86844438805301 2.3063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      5162 days (14.13 yr)  
   first obs. used      2005-11-25  
   last obs. used      2020-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53696  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:12:10  

Additional Information
 Earth MOID = .841611 au 
 Jupiter MOID = 2.30306 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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