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101146 (1998 RK70)
Classification: Main-belt Asteroid          SPK-ID: 2101146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2708792151159742 3.6991e-08  
a 3.078002650655028 1.4994e-08 au
q 2.244235708520706 1.1652e-07 au
i 5.040906665863951 4.295e-06 deg
node 78.41091376532832 4.8554e-05 deg
peri 340.9091581735322 4.9522e-05 deg
M .3765806909209847 7.2441e-06 deg
tp 2459198.436723374048
(2020-Dec-14.93672337)
3.9692e-05 TDB
period 1972.4314157643
5.40
1.4412e-05
3.946e-08
d
yr
n .1825158518175919 1.3336e-09 deg/d
Q 3.911769592789351 1.9055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      9917 days (27.15 yr)  
   first obs. used      1993-12-17  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51413  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:25  

Additional Information
 Earth MOID = 1.25692 au 
 Jupiter MOID = 1.44925 au 
 T_jup = 3.165 
[ 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 15.54   n/a E2021B55  
diameter diameter 2.159 km 0.524 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.346   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101146 (1998 RK70)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 RK70 = 2000 DW83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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