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173674 (2001 OC2)
Classification: Main-belt Asteroid          SPK-ID: 2173674
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1248927691128173 4.0263e-08  
a 2.693714248818706 1.6648e-08 au
q 2.357288817085085 1.0798e-07 au
i 5.760792247187372 5.4785e-06 deg
node 53.2317999190423 5.8924e-05 deg
peri 223.5352777890143 6.4836e-05 deg
M 119.475754170913 2.8114e-05 deg
tp 2458464.576264339790
(2018-Dec-12.07626434)
0.0001252 TDB
period 1614.825921598124
4.42
1.4971e-05
4.099e-08
d
yr
n .222934246462754 2.0668e-09 deg/d
Q 3.030139680552327 1.8728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      8586 days (23.51 yr)  
   first obs. used      1996-04-20  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61722  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:47:53  

Additional Information
 Earth MOID = 1.34505 au 
 Jupiter MOID = 2.08026 au 
 T_jup = 3.352 
[ 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 15.9   n/a MPO257781  

173674 (2001 OC2)          Discovered 2001-Jul-18 by NEAT at Palomar
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 OC2 = 2005 KL9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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