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JPL Small-Body Database Browser
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434419 (2005 MH4)
Classification: Mars-crossing Asteroid          SPK-ID: 2434419
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2955670483314723 7.7014e-08  
a 2.267995428406215 2.0304e-08 au
q 1.597650714002917 1.6287e-07 au
i 6.812005781226292 6.6547e-06 deg
node 84.19919262265773 0.00011048 deg
peri 214.2326322836657 0.00011544 deg
M 359.0771948792571 3.8441e-05 deg
tp 2458603.697931700632
(2019-Apr-30.19793170)
0.00013325 TDB
period 1247.560710652173
3.42
1.6753e-05
4.587e-08
d
yr
n .2885631111385408 3.8749e-09 deg/d
Q 2.938340142809513 2.6305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      5248 days (14.37 yr)  
   first obs. used      2005-06-16  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54353  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:40:10  

Additional Information
 Earth MOID = .586735 au 
 Jupiter MOID = 2.29924 au 
 T_jup = 3.547 
[ 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 18.1   n/a MPO237341  

434419 (2005 MH4)          Discovered 2005-Jun-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

Alternate Designations
 2005 MH4 = 2009 WN223 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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