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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3891018521223755 1.4017e-07  
a 2.682231427042124 2.5066e-08 au
q 1.638570210959192 3.8152e-07 au
i 11.92222910585606 1.1952e-05 deg
node 242.6938983329808 4.128e-05 deg
peri 101.7475774284588 5.6456e-05 deg
M 204.1138473060355 2.7359e-05 deg
tp 2459295.280842402711
(2021-Mar-21.78084240)
0.00013082 TDB
period 1604.511362571204
4.39
2.2491e-05
6.158e-08
d
yr
n .2243673733934209 3.1451e-09 deg/d
Q 3.725892643125057 3.4819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      5290 days (14.48 yr)  
   first obs. used      2003-06-30  
   last obs. used      2017-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47831  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:55:37  

Additional Information
 Earth MOID = .682436 au 
 Jupiter MOID = 1.97373 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 16.5   n/a MPO397652  

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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