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277505 (2005 WG158)
Classification: Main-belt Asteroid          SPK-ID: 2277505
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1323165320788439 4.8232e-08  
a 2.382835565458506 1.9849e-08 au
q 2.067547026922906 1.1852e-07 au
i 13.646483772075 7.1508e-06 deg
node 95.8903334812977 2.9223e-05 deg
peri 41.93155881655459 4.577e-05 deg
M 201.3369058074585 3.5876e-05 deg
tp 2459192.624397761673
(2020-Dec-09.12439776)
0.00013797 TDB
period 1343.505774162716
3.68
1.6787e-05
4.596e-08
d
yr
n .2679556775439651 3.3481e-09 deg/d
Q 2.698124103994107 2.2475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      6534 days (17.89 yr)  
   first obs. used      2001-12-11  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58843  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:24:09  

Additional Information
 Earth MOID = 1.10145 au 
 Jupiter MOID = 2.41359 au 
 T_jup = 3.487 
[ 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 16.8   n/a MPO455059  
diameter diameter 1.837 km 0.573 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.109   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277505 (2005 WG158)          Discovered 2005-Nov-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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