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390970 (2005 QH127)
Classification: Main-belt Asteroid          SPK-ID: 2390970
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1319106691938325 9.4305e-08  
a 3.127473392679145 5.8557e-08 au
q 2.714926284564934 3.1422e-07 au
i 12.20624532792405 1.0967e-05 deg
node 344.1144049306985 3.6572e-05 deg
peri 325.5422253547483 5.3848e-05 deg
M 263.9877550316951 4.126e-05 deg
tp 2459539.281885751727
(2021-Nov-20.78188575)		 0.00023957 TDB
period 2020.174394783201
5.53		 5.6736e-05
1.553e-07		 d
yr
n .1782024368438914 5.0048e-09 deg/d
Q 3.540020500793357 6.6281e-08 au
   Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      5355 days (14.66 yr)  
   first obs. used      2005-08-28  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5549  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:18:22  

Additional Information
 Earth MOID = 1.71123 au 
 Jupiter MOID = 1.83525 au 
 T_jup = 3.166 
[ 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 16.1   n/a MPO472017  
diameter diameter 4.248 km 1.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

390970 (2005 QH127)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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