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85694 (1998 RK60)
Classification: Main-belt Asteroid          SPK-ID: 2085694
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03203226277198118 3.8543e-08  
a 2.696247995879312 1.6295e-08 au
q 2.609881071576879 1.0436e-07 au
i 12.36375521301377 6.3525e-06 deg
node 345.9270472087917 2.0136e-05 deg
peri 89.75611384264357 0.00010446 deg
M 256.512038921059 0.00010138 deg
tp 2459465.363566233090
(2021-Sep-07.86356623)
0.00045538 TDB
period 1617.104850643028
4.43
1.466e-05
4.014e-08
d
yr
n .2226200730625779 2.0182e-09 deg/d
Q 2.782614920181746 1.6817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      892  
   data-arc span      8953 days (24.51 yr)  
   first obs. used      1996-01-26  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55835  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:56:58  

Additional Information
 Earth MOID = 1.6573 au 
 Jupiter MOID = 2.28676 au 
 T_jup = 3.335 
[ 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 14.6   n/a MPO400791  
diameter diameter 6.814 km 0.286 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85694 (1998 RK60)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 RK60 = 2002 PF86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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