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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04289104805074027 4.9869e-08  
a 2.76211615542384 1.8811e-08 au
q 2.64364609867983 1.3056e-07 au
i 5.430006604639135 3.5779e-06 deg
node 278.310061177983 6.2218e-05 deg
peri 45.68663343076222 8.9223e-05 deg
M 69.29501839486227 6.3217e-05 deg
tp 2458877.754015555662
(2020-Jan-29.25401556)
0.00029393 TDB
period 1676.723047216568
4.59
1.7128e-05
4.689e-08
d
yr
n .2147045098459256 2.1933e-09 deg/d
Q 2.88058621216785 1.9617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      8007 days (21.92 yr)  
   first obs. used      1999-01-13  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50818  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:58:05  

Additional Information
 Earth MOID = 1.63198 au 
 Jupiter MOID = 2.27359 au 
 T_jup = 3.333 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457699.5 (2016-Nov-07.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04494357409287799 5.0097e-08  
q 2.638300401749909 1.3171e-07 au
tp 2457205.819142514859
(2015-Jul-02.31914251)
0.00027764 TDB
node 278.3691722562826 6.2336e-05 deg
peri 46.8641942212727 8.7145e-05 deg
i 5.424310882197967 3.5752e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      8007 days (21.92 yr)  
   first obs. used      1999-01-13  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50818  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:58:05  

Additional Information
 Jupiter MOID = 2.27359 au 
 T_jup = 3.333 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.509717356418682E-15 -6.548890059341822E-15 4.875949668671258E-12 3.457018702025346E-15 1.003636885359884E-12 -3.665047851237886E-15
q -6.548890059341822E-15 1.73477874128807E-14 -1.315195305868099E-11 -6.372755609211593E-15 -2.703047176319308E-12 9.768147690943463E-15
tp 4.875949668671258E-12 -1.315195305868099E-11 7.708646427066936E-8 -4.248734946367703E-12 1.695830846415661E-8 -1.993490814610132E-11
node 3.457018702025346E-15 -6.372755609211593E-15 -4.248734946367703E-12 3.88571961104631E-9 -3.869262621128957E-9 -6.344554479061961E-12
peri 1.003636885359884E-12 -2.703047176319308E-12 1.695830846415661E-8 -3.869262621128957E-9 7.59417769659224E-9 2.008040541337098E-12
i -3.665047851237886E-15 9.768147690943463E-15 -1.993490814610132E-11 -6.344554479061961E-12 2.008040541337098E-12 1.278215945642369E-11

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 15.72   n/a E2021B55  

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

[ hide close-approach data ]
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 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:06 2021-Apr-13 20:58

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