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101060 (1998 RE4)
Classification: Main-belt Asteroid          SPK-ID: 2101060
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 .2377608144984157 6.5017e-08  
a 2.352225260292926 9.9566e-09 au
q 1.792958266521932 1.5357e-07 au
i 13.78643478883087 6.5607e-06 deg
node 350.0173293144899 1.7359e-05 deg
peri 353.57007693 2.0044e-05 deg
M 13.5702309115504 8.4852e-06 deg
tp 2458950.829157312676
(2020-Apr-11.32915731)
3.096e-05 TDB
period 1317.700743928889
3.61
8.3664e-06
2.291e-08
d
yr
n .2732031545543604 1.7346e-09 deg/d
Q 2.911492254063921 1.2324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      8115 days (22.22 yr)  
   first obs. used      1998-08-28  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5906  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:46  

Additional Information
 Earth MOID = .78641 au 
 Jupiter MOID = 2.50786 au 
 T_jup = 3.481 
[ 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 15.6   n/a MPO436471  
diameter diameter 4.117 km 0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101060 (1998 RE4)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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