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385630 (2005 OP21)
Classification: Main-belt Asteroid          SPK-ID: 2385630
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2458940607743105 6.947e-08  
a 2.364505661519412 9.9736e-09 au
q 1.783087762684556 1.6204e-07 au
i 4.003040058910251 6.6568e-06 deg
node 334.7672017556715 7.3861e-05 deg
peri 25.73556725198988 7.4761e-05 deg
M 59.83608429822862 1.1794e-05 deg
tp 2458979.765799028158
(2020-May-10.26579903)
4.2588e-05 TDB
period 1328.033297663759
3.64
8.4026e-06
2.301e-08
d
yr
n .2710775404753048 1.7151e-09 deg/d
Q 2.945923560354267 1.2426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      5652 days (15.47 yr)  
   first obs. used      2005-07-28  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54267  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:05  

Additional Information
 Earth MOID = .779147 au 
 Jupiter MOID = 2.51489 au 
 T_jup = 3.504 
[ 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 17.10   n/a MPCxxxxx  

385630 (2005 OP21)          Discovered 2005-Jul-28 by NEAT at Palomar
Reference: Last Updated: 2014-02-19

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