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249830 (2001 OD12)
Classification: Main-belt Asteroid          SPK-ID: 2249830
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2506231367083967 6.4499e-08  
a 2.749489504991535 1.551e-08 au
q 2.06040382090374 1.7265e-07 au
i 13.96373472394282 6.6422e-06 deg
node 122.4475474283005 2.1508e-05 deg
peri 174.7338891990511 2.9058e-05 deg
M 73.75051593265007 1.3625e-05 deg
tp 2458659.354938769592
(2019-Jun-24.85493877)		 6.2654e-05 TDB
period 1665.238818872814
4.56		 1.409e-05
3.858e-08		 d
yr
n .2161852077431638 1.8292e-09 deg/d
Q 3.438575189079331 1.9397e-08 au
   Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      6736 days (18.44 yr)  
   first obs. used      2001-05-24  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61048  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:27:31  

Additional Information
 Earth MOID = 1.04504 au 
 Jupiter MOID = 1.81237 au 
 T_jup = 3.258 
[ 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 16.4   n/a MPO437160  

249830 (2001 OD12)          Discovered 2001-Jul-20 by NEAT at Palomar
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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