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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2180128960291733 5.5419e-08  
a 2.354893452130249 9.2421e-09 au
q 1.841496310791196 1.2888e-07 au
i 9.185979252249869 6.0519e-06 deg
node 175.9859521994617 2.5786e-05 deg
peri 171.8673395939792 2.7829e-05 deg
M 69.20975934784921 9.3407e-06 deg
tp 2458346.741757118477
(2018-Aug-16.24175712)		 3.4229e-05 TDB
period 1319.943434251912
3.61		 7.7704e-06
2.127e-08		 d
yr
n .272738960366156 1.6056e-09 deg/d
Q 2.868290593469303 1.1257e-08 au
   Orbit Determination Parameters
   # obs. used (total)      757  
   data-arc span      12242 days (33.52 yr)  
   first obs. used      1985-07-20  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53194  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:33:22  

Additional Information
 Earth MOID = .834823 au 
 Jupiter MOID = 2.565 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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