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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2522590565657956 4.8598e-08  
a 3.16006475403787 2.7719e-08 au
q 2.362909800497454 1.5037e-07 au
i 5.71898559168684 6.7921e-06 deg
node 291.0796076361736 6.3343e-05 deg
peri 102.5220053364728 6.6581e-05 deg
M 336.629502219591 1.8179e-05 deg
tp 2459133.701115493708
(2020-Oct-11.20111549)
0.00010408 TDB
period 2051.834840160422
5.62
2.6997e-05
7.391e-08
d
yr
n .1754527181982413 2.3085e-09 deg/d
Q 3.957219707578286 3.4712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      7122 days (19.50 yr)  
   first obs. used      1998-12-17  
   last obs. used      2018-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57858  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:45:41  

Additional Information
 Earth MOID = 1.37755 au 
 Jupiter MOID = 1.57186 au 
 T_jup = 3.147 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456757.5 (2014-Apr-10.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2557258024951036 5.3426e-08  
q 2.351671790129717 1.7019e-07 au
tp 2457058.917358071799
(2015-Feb-05.41735807)
8.9099e-05 TDB
node 292.8829939910656 6.3904e-05 deg
peri 98.23006399897723 6.6537e-05 deg
i 5.676306746126823 6.8113e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      7122 days (19.50 yr)  
   first obs. used      1998-12-17  
   last obs. used      2018-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57858  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:45:41  

Additional Information
 Jupiter MOID = 1.57186 au 
 T_jup = 3.147 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.854287268412384E-15 -9.028823477841573E-15 -1.997870278950317E-12 1.54967810167371E-14 -4.907577747888996E-13 -5.324149152522472E-15
q -9.028823477841573E-15 2.896450564028581E-14 7.088773429966076E-12 -6.000532507211012E-14 1.687758158299627E-12 1.682254386031827E-14
tp -1.997870278950317E-12 7.088773429966076E-12 7.93869689774009E-9 -2.91724894467063E-11 1.691539176653404E-9 7.796770707608587E-12
node 1.54967810167371E-14 -6.000532507211012E-14 -2.91724894467063E-11 4.083751287590519E-9 -4.069617271124873E-9 1.470528771280425E-10
peri -4.907577747888996E-13 1.687758158299627E-12 1.691539176653404E-9 -4.069617271124873E-9 4.427126253656E-9 -1.445873427546131E-10
i -5.324149152522472E-15 1.682254386031827E-14 7.796770707608587E-12 1.470528771280425E-10 -1.445873427546131E-10 4.63941719529521E-11

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

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