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277210 (2005 QC117)
Classification: Main-belt Asteroid          SPK-ID: 2277210
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2383390216545645 8.5534e-08  
a 2.407948889710949 5.4532e-08 au
q 1.834040707143047 2.2288e-07 au
i 4.842945392248296 9.8451e-06 deg
node 347.288764007723 0.00011661 deg
peri 327.6556939623753 0.00012243 deg
M 249.9111373055282 6.2408e-05 deg
tp 2459017.859408285706
(2020-Jun-17.35940829)
0.00024993 TDB
period 1364.800973553876
3.74
4.6362e-05
1.269e-07
d
yr
n .2637747239163943 8.9604e-09 deg/d
Q 2.981857072278852 6.7529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      3463 days (9.48 yr)  
   first obs. used      2005-07-30  
   last obs. used      2015-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66744  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 10:26:17  

Additional Information
 Earth MOID = .821884 au 
 Jupiter MOID = 2.32513 au 
 T_jup = 3.478 
[ 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 17.8   n/a MPO281474  
diameter diameter 2.008 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.025   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277210 (2005 QC117)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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