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85643 (1998 OC10)
Classification: Main-belt Asteroid          SPK-ID: 2085643
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2435283672121796 4.8589e-08  
a 3.199494150759103 2.195e-08 au
q 2.42032656431982 1.642e-07 au
i 16.36987746102738 6.084e-06 deg
node 145.0287833881391 1.944e-05 deg
peri 106.2468806812737 2.37e-05 deg
M 329.5682817434215 1.3512e-05 deg
tp 2459177.203186563741
(2020-Nov-23.70318656)
7.9218e-05 TDB
period 2090.356733280916
5.72
2.1511e-05
5.889e-08
d
yr
n .1722194084236343 1.7722e-09 deg/d
Q 3.978661737198387 2.7295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      8017 days (21.95 yr)  
   first obs. used      1998-07-26  
   last obs. used      2020-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:17  

Additional Information
 Earth MOID = 1.46703 au 
 Jupiter MOID = 1.59835 au 
 T_jup = 3.086 
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Orbital Elements at Epoch 2457008.5 (2014-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2424769873639385 4.865e-08  
q 2.424934715501747 1.6436e-07 au
tp 2457083.138187463409
(2015-Mar-01.63818746)
7.2931e-05 TDB
node 145.0687385110841 1.9443e-05 deg
peri 105.9752241604784 2.3725e-05 deg
i 16.36443377266823 6.0825e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      8017 days (21.95 yr)  
   first obs. used      1998-07-26  
   last obs. used      2020-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:17  

Additional Information
 Jupiter MOID = 1.59835 au 
 T_jup = 3.086 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.366794985803369E-15 -7.964940726780465E-15 -1.191617184113577E-12 7.284308514235479E-16 -1.338726447458233E-13 -1.534484059700642E-14
q -7.964940726780465E-15 2.701530631196765E-14 4.023168783503026E-12 1.592368367485541E-14 4.38157467762445E-13 6.625584171182755E-14
tp -1.191617184113577E-12 4.023168783503026E-12 5.318858325082512E-9 -5.185863816419567E-11 1.037334333846747E-9 -4.098744894548522E-12
node 7.284308514235479E-16 1.592368367485541E-14 -5.185863816419567E-11 3.780315766530762E-10 -3.696663269765027E-10 5.118422286262154E-11
peri -1.338726447458233E-13 4.38157467762445E-13 1.037334333846747E-9 -3.696663269765027E-10 5.628818929964311E-10 -4.892631451369709E-11
i -1.534484059700642E-14 6.625584171182755E-14 -4.098744894548522E-12 5.118422286262154E-11 -4.892631451369709E-11 3.699662750287725E-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 14.2   n/a MPO432400  
diameter diameter 8.739 km 0.299 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85643 (1998 OC10)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Alternate Designations
 1998 OC10 = 2002 CK120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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