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58176 (1990 SN16)
Classification: Main-belt Asteroid          SPK-ID: 2058176
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2167325870558268 8.3889e-08  
a 2.298490454130439 1.4542e-08 AU
q 1.800332671683627 1.9552e-07 AU
i 4.110420250148124 7.5857e-06 deg
node 28.04443592176987 9.1675e-05 deg
peri 341.749602604813 9.282e-05 deg
M 323.7258483279114 1.4165e-05 deg
tp 2457128.749962649601
(2015-Apr-16.24996265)
5.065e-05 JED
period 1272.806790113909
3.48
1.2079e-05
3.307e-08
d
yr
n .2828394716277261 2.6842e-09 deg/d
Q 2.796648236577251 1.7694e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      666  
   data-arc span      8678 days (23.76 yr)  
   first obs. used      1990-09-16  
   last obs. used      2014-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56715  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:47:41  

Additional Information
 Earth MOID = .800582 AU 
 T_jup = 3.558 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO259710  

58176 (1990 SN16)          Discovered 1990-Sep-17 by Holt, H. E. at Palomar (675)
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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