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JPL Small-Body Database Browser
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172423 (2003 OK16)
Classification: Main-belt Asteroid          SPK-ID: 2172423
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2532450750737198 5.3372e-08  
a 2.364697671184604 1.1822e-08 au
q 1.765849631918809 1.2495e-07 au
i 4.541013523459912 5.8799e-06 deg
node 166.4578421803733 5.4169e-05 deg
peri 166.0540754836744 5.5193e-05 deg
M 227.5250053278914 1.4275e-05 deg
tp 2459489.257317237961
(2021-Oct-01.75731724)
5.51e-05 TDB
period 1328.195065349273
3.64
9.9606e-06
2.727e-08
d
yr
n .2710445245520705 2.0327e-09 deg/d
Q 2.9635457104504 1.4816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      9047 days (24.77 yr)  
   first obs. used      1995-04-28  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:49:00  

Additional Information
 Earth MOID = .756025 au 
 Jupiter MOID = 2.41905 au 
 T_jup = 3.501 
[ 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 16.4   n/a MPO412967  

172423 (2003 OK16)          Discovered 2003-Jul-26 by CINEOS at Campo Imperatore
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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