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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1946012587951957 7.1302e-08  
a 2.373620551910486 2.1493e-08 au
q 1.911711004606558 1.7674e-07 au
i 2.157283484679361 7.2462e-06 deg
node 70.07402461074285 0.00022083 deg
peri 242.0093419378689 0.00022197 deg
M 285.5683509643484 2.3886e-05 deg
tp 2458876.666189392478
(2020-Jan-28.16618939)
8.9669e-05 TDB
period 1335.719810986204
3.66
1.8142e-05
4.967e-08
d
yr
n .269517601699866 3.6607e-09 deg/d
Q 2.835530099214414 2.5675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      5024 days (13.75 yr)  
   first obs. used      2005-08-28  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57651  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:42  

Additional Information
 Earth MOID = .897841 au 
 Jupiter MOID = 2.43585 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 17.6   n/a MPO434690  

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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