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227126 (2005 OP4)
Classification: Mars-crossing Asteroid          SPK-ID: 2227126
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2878660724771397 8.2432e-08  
a 2.322812658656114 1.3405e-08 au
q 1.654153701508596 1.9395e-07 au
i 5.956449457809985 6.1847e-06 deg
node 57.37893800197209 7.6567e-05 deg
peri 305.5687489788215 7.8136e-05 deg
M 99.80167819508623 2.0598e-05 deg
tp 2458842.028158828772
(2019-Dec-24.52815883)
7.1562e-05 TDB
period 1293.06305420419
3.54
1.1194e-05
3.065e-08
d
yr
n .2784086969537308 2.4101e-09 deg/d
Q 2.991471615803633 1.7264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      8145 days (22.30 yr)  
   first obs. used      1998-09-22  
   last obs. used      2021-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64897  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:10:50  

Additional Information
 Earth MOID = .659613 au 
 Jupiter MOID = 2.48077 au 
 T_jup = 3.513 
[ 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 16.7   n/a MPO437075  

227126 (2005 OP4)          Discovered 2005-Jul-27 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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