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268289 (2005 QH53)
Classification: Main-belt Asteroid          SPK-ID: 2268289
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 .1872293285069363 6.4883e-08  
a 2.363818313574624 1.547e-08 au
q 1.921242198011649 1.5981e-07 au
i 4.060451215119746 8.0897e-06 deg
node 150.8085057976497 8.1963e-05 deg
peri 149.0435601345416 8.4654e-05 deg
M 300.0717609710537 2.187e-05 deg
tp 2458821.477767619563
(2019-Dec-03.97776762)
8.1326e-05 TDB
period 1327.454262499153
3.63
1.3031e-05
3.568e-08
d
yr
n .2711957844199017 2.6622e-09 deg/d
Q 2.806394429137599 1.8366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6562 days (17.97 yr)  
   first obs. used      2001-06-15  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62767  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:38:30  

Additional Information
 Earth MOID = .906324 au 
 Jupiter MOID = 2.4166 au 
 T_jup = 3.522 
[ 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 17.0   n/a MPO437234  
diameter diameter 2.357 km 0.396 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268289 (2005 QH53)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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