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58158 (1989 RA)
Classification: Main-belt Asteroid          SPK-ID: 2058158
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2182972170001296 5.5183e-08  
a 2.354465885858595 8.997e-09 au
q 1.840492535453919 1.2812e-07 au
i 9.187552875682622 5.7741e-06 deg
node 175.9752552437891 2.3981e-05 deg
peri 171.8609736433764 2.5647e-05 deg
M 178.3171431120491 8.7998e-06 deg
tp 2458346.876546848045
(2018-Aug-16.37654685)
3.1714e-05 TDB
period 1319.583967240017
3.61
7.5637e-06
2.071e-08
d
yr
n .2728132570092981 1.5637e-09 deg/d
Q 2.868439236263271 1.0961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      12690 days (34.74 yr)  
   first obs. used      1985-07-20  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:32:24  

Additional Information
 Earth MOID = .834728 au 
 Jupiter MOID = 2.56842 au 
 T_jup = 3.506 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO452959  
diameter diameter 2.236 km 0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.223   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58158 (1989 RA)          Discovered 1989-Sep-01 by Gilmore, A. C., Kilmartin, P. M. at Lake Tekapo
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 RA = 2000 QM127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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