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469777 (2005 QJ128)
Classification: Main-belt Asteroid          SPK-ID: 2469777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1942548244426372 6.5382e-08  
a 2.373343312830104 2.0409e-08 au
q 1.912309924254185 1.6102e-07 au
i 2.156780294378129 7.164e-06 deg
node 70.06900345876973 0.00021599 deg
peri 241.897539662758 0.00021715 deg
M 33.45173080687864 2.4273e-05 deg
tp 2458876.404690381604
(2020-Jan-27.90469038)
8.954e-05 TDB
period 1335.485799540038
3.66
1.7226e-05
4.716e-08
d
yr
n .2695648281127283 3.477e-09 deg/d
Q 2.834376701406022 2.4373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      5451 days (14.92 yr)  
   first obs. used      2005-08-28  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59724  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 01:44:25  

Additional Information
 Earth MOID = .899242 au 
 Jupiter MOID = 2.43859 au 
 T_jup = 3.516 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO477209  

469777 (2005 QJ128)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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