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58146 (1986 RU)
Classification: Main-belt Asteroid          SPK-ID: 2058146
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2205486946828255 3.2968e-08  
a 2.380495859269291 8.421e-09 au
q 1.855480604809578 8.1119e-08 au
i 11.27408277455391 4.6563e-06 deg
node 189.7099310499977 1.9203e-05 deg
peri 227.8986551330292 2.2162e-05 deg
M 13.27771213190551 1.1596e-05 deg
tp 2458951.021067600183
(2020-Apr-11.52106760)
4.3098e-05 TDB
period 1341.527477548777
3.67
7.1185e-06
1.949e-08
d
yr
n .2683508210042687 1.4239e-09 deg/d
Q 2.905511113729004 1.0278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      12461 days (34.12 yr)  
   first obs. used      1986-09-01  
   last obs. used      2020-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:10  

Additional Information
 Earth MOID = .885762 au 
 Jupiter MOID = 2.52494 au 
 T_jup = 3.480 
[ 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 15.0   n/a MPO395543  
diameter diameter 5.082 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58146 (1986 RU)          Discovered 1986-Sep-06 by Helin, E. F. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1986 RU = 2001 QS181 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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