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173687 (2001 OY112)
Classification: Main-belt Asteroid          SPK-ID: 2173687
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04297167317224372 5.7242e-08  
a 2.762050317494881 2.5595e-08 au
q 2.643360393966199 1.6095e-07 au
i 5.430014361613737 5.0116e-06 deg
node 278.308971720997 6.8199e-05 deg
peri 45.54395214640503 9.3173e-05 deg
M 26.48230500816802 6.3402e-05 deg
tp 2458877.161379015115
(2020-Jan-28.66137902)
0.00029499 TDB
period 1676.663097901174
4.59
2.3305e-05
6.381e-08
d
yr
n .2147121866346576 2.9845e-09 deg/d
Q 2.880740241023563 2.6695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      7868 days (21.54 yr)  
   first obs. used      1999-01-13  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:05:29  

Additional Information
 Earth MOID = 1.63363 au 
 Jupiter MOID = 2.27443 au 
 T_jup = 3.333 
[ 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 15.6   n/a MPO436862  

173687 (2001 OY112)          Discovered 2001-Jul-26 by NEAT at Haleakala
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2059-Nov-19 17:32 00:09 Iris 0.0492076785228411 0.0491958639467593 0.049219493739905 3.01987123405295 3.01987119536714 2473417.230713571 9.43699405768581 652.456073427288 75.8054348059449 -25.7741659225034 43388.2078401005 T 16 CATAB v2.0f-lin.ifort 2020-Aug-25 13:05:48 2020-Aug-25 13:05

Alternate Designations
 2001 OY112 = 2004 CW108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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