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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2435283673351775 4.859e-08  
a 3.199494150261971 2.1986e-08 au
q 2.420326563550223 1.6421e-07 au
i 16.36987771706574 6.1005e-06 deg
node 145.0287833721117 1.9441e-05 deg
peri 106.2468803966026 2.3707e-05 deg
M 329.568282196397 1.3541e-05 deg
tp 2459177.203183892333
(2020-Nov-23.70318389)
7.9389e-05 TDB
period 2090.356732793721
5.72
2.1546e-05
5.899e-08
d
yr
n .1722194084637731 1.7751e-09 deg/d
Q 3.97866173697372 2.734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      7997 days (21.89 yr)  
   first obs. used      1998-07-26  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:17:23  

Additional Information
 Earth MOID = 1.46703 au 
 Jupiter MOID = 1.59835 au 
 T_jup = 3.086 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456996.5 (2014-Dec-05.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2424701608233642 4.8651e-08  
q 2.424936320553924 1.6437e-07 au
tp 2457083.137697179286
(2015-Mar-01.63769718)
7.3042e-05 TDB
node 145.0688137761261 1.9443e-05 deg
peri 105.9749345994768 2.3732e-05 deg
i 16.36443670338929 6.099e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      7997 days (21.89 yr)  
   first obs. used      1998-07-26  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:17:23  

Additional Information
 Jupiter MOID = 1.59835 au 
 T_jup = 3.086 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.366915232785429E-15 -7.96543699771552E-15 -1.192431891016433E-12 7.279015614755426E-16 -1.339883870906362E-13 -1.530467730682355E-14
q -7.96543699771552E-15 2.701812584623355E-14 4.029647218079385E-12 1.591842154029605E-14 4.390735633859372E-13 6.620446632340738E-14
tp -1.192431891016433E-12 4.029647218079385E-12 5.335089212091058E-9 -5.189601060862205E-11 1.039638005181871E-9 -4.227712229878911E-12
node 7.279015614755426E-16 1.591842154029605E-14 -5.189601060862205E-11 3.780373577380771E-10 -3.696771021762774E-10 5.118111855455077E-11
peri -1.339883870906362E-13 4.390735633859372E-13 1.039638005181871E-9 -3.696771021762774E-10 5.632155348610438E-10 -4.894168009366721E-11
i -1.530467730682355E-14 6.620446632340738E-14 -4.227712229878911E-12 5.118111855455077E-11 -4.894168009366721E-11 3.719833888658884E-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

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