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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1320299929530268 9.4311e-08  
a 3.127238477055909 5.8313e-08 au
q 2.714349202967782 3.1426e-07 au
i 12.20653128114403 1.0967e-05 deg
node 344.1154549271079 3.6572e-05 deg
peri 325.5841470145022 5.3834e-05 deg
M 299.6011020656526 4.1766e-05 deg
tp 2459539.395999226723
(2021-Nov-20.89599923)
0.00023945 TDB
period 2019.946785357493
5.53
5.6498e-05
1.547e-07
d
yr
n .1782225168552085 4.9849e-09 deg/d
Q 3.540127751144035 6.6012e-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 = 1.70868 au 
 Jupiter MOID = 1.83521 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 16.14   n/a E2021B25  
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

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