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390964 (2005 QA27)
Classification: Main-belt Asteroid          SPK-ID: 2390964
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2031498776221986 6.2777e-08  
a 3.037276025612337 3.5072e-08 au
q 2.420253772704353 1.965e-07 au
i 8.687324713373432 1.0029e-05 deg
node 24.20406606154282 4.3287e-05 deg
peri 298.3263698710014 5.0046e-05 deg
M 305.8619824542831 2.6428e-05 deg
tp 2459291.253310152534
(2021-Mar-17.75331015)
0.00014527 TDB
period 1933.413826365595
5.29
3.3488e-05
9.169e-08
d
yr
n .1861991442756583 3.2251e-09 deg/d
Q 3.654298278520321 4.2196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      5405 days (14.80 yr)  
   first obs. used      2005-08-27  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58604  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:36:58  

Additional Information
 Earth MOID = 1.42336 au 
 Jupiter MOID = 1.78078 au 
 T_jup = 3.192 
[ 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 MPO434442  
diameter diameter 3.155 km 0.669 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

390964 (2005 QA27)          Discovered 2005-Aug-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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