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JPL Small-Body Database Browser
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58970 (1998 RZ8)
Classification: Main-belt Asteroid          SPK-ID: 2058970
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1639690544790669 4.3661e-08  
a 2.967007035120226 1.8455e-08 au
q 2.480509696938822 1.2397e-07 au
i 3.655278272963509 4.2131e-06 deg
node 166.1241376866095 7.5297e-05 deg
peri 197.7412848759564 7.6548e-05 deg
M 357.0740819084812 1.4457e-05 deg
tp 2458615.671759666548
(2019-May-12.17175967)
7.4983e-05 TDB
period 1866.707580020513
5.11
1.7416e-05
4.768e-08
d
yr
n .1928529159323626 1.7993e-09 deg/d
Q 3.453504373301628 2.1481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      9580 days (26.23 yr)  
   first obs. used      1993-09-14  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50413  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:05:43  

Additional Information
 Earth MOID = 1.47767 au 
 Jupiter MOID = 2.00032 au 
 T_jup = 3.241 
[ 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 15.1   n/a MPO417232  
diameter diameter 4.493 km 0.256 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58970 (1998 RZ8)          Discovered 1998-Sep-13 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RZ8 = 1993 RK9 = 1997 LQ13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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