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226407 (2003 QU77)
Classification: Main-belt Asteroid          SPK-ID: 2226407
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.


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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 .2522590889102023 4.8467e-08  
a 3.160064723489683 2.1097e-08 au
q 2.362909675444905 1.4859e-07 au
i 5.71899534106819 4.1365e-06 deg
node 291.0797190875434 5.8634e-05 deg
peri 102.521885976499 6.0847e-05 deg
M 336.6295203186072 1.091e-05 deg
tp 2459133.701010406148
(2020-Oct-11.20101041)
6.1441e-05 TDB
period 2051.834810407947
5.62
2.0548e-05
5.626e-08
d
yr
n .1754527207423801 1.757e-09 deg/d
Q 3.957219771534461 2.6419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      7986 days (21.86 yr)  
   first obs. used      1998-12-17  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:32:56  

Additional Information
 Earth MOID = 1.37755 au 
 Jupiter MOID = 1.57186 au 
 T_jup = 3.147 
[ 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 15.3   n/a MPO454625  
diameter diameter 4.847 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226407 (2003 QU77)          Discovered 2003-Aug-24 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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