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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2953923346256779 7.581e-08  
a 2.268450667850217 1.9961e-08 au
q 1.598367729090763 1.6028e-07 au
i 6.810625458271422 6.6337e-06 deg
node 84.19354651202406 0.00010626 deg
peri 214.3251070252634 0.0001117 deg
M 228.6321892077576 4.0642e-05 deg
tp 2459851.885184620615
(2022-Sep-29.38518462)
0.0001458 TDB
period 1247.936351186438
3.42
1.6472e-05
4.51e-08
d
yr
n .2884762509383919 3.8076e-09 deg/d
Q 2.938533606609671 2.5857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      5278 days (14.45 yr)  
   first obs. used      2005-06-16  
   last obs. used      2019-11-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:54:44  

Additional Information
 Earth MOID = .587757 au 
 Jupiter MOID = 2.30021 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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