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469510 (2003 MJ9)
Classification: Mars-crossing Asteroid          SPK-ID: 2469510
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3891062282543842 5.4968e-08  
a 2.682905196183136 2.4415e-08 au
q 1.638970074532227 1.5078e-07 au
i 11.91898962089845 1.1658e-05 deg
node 242.6781532610601 2.8579e-05 deg
peri 101.664191518082 3.7159e-05 deg
M 22.77170246463724 2.5909e-05 deg
tp 2459294.968823954894
(2021-Mar-21.46882395)
0.00011423 TDB
period 1605.115973783661
4.39
2.191e-05
5.999e-08
d
yr
n .2242828592325262 3.0615e-09 deg/d
Q 3.726840317834045 3.3915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      6258 days (17.13 yr)  
   first obs. used      2003-06-30  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:19:22  

Additional Information
 Earth MOID = .682895 au 
 Jupiter MOID = 1.97683 au 
 T_jup = 3.234 
[ 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 16.48   n/a E2021B25  

469510 (2003 MJ9)          Discovered 2003-Jun-30 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22

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