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58176 (1990 SN16)
Classification: Main-belt Asteroid          SPK-ID: 2058176
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2166249648921973 4.7733e-08  
a 2.298511507148121 6.0508e-09 au
q 1.800596532607848 1.0945e-07 au
i 4.109334313713758 4.5986e-06 deg
node 28.0230544745448 4.7791e-05 deg
peri 342.2365278143393 4.8509e-05 deg
M 55.64898444744696 7.1048e-06 deg
tp 2458403.746171038146
(2018-Oct-12.24617104)
2.5066e-05 TDB
period 1272.824277559965
3.48
5.0261e-06
1.376e-08
d
yr
n .282835585671047 1.1168e-09 deg/d
Q 2.796426481688394 7.3616e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1385  
   data-arc span      10639 days (29.13 yr)  
   first obs. used      1990-09-16  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48676  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 05:04:08  

Additional Information
 Earth MOID = .800131 au 
 Jupiter MOID = 2.66279 au 
 T_jup = 3.558 
[ 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 MPO459250  
diameter diameter 2.854 km 0.511 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.286   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58176 (1990 SN16)          Discovered 1990-Sep-17 by Holt, H. E. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 SN16 = 1995 AG3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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