Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
58176 (1990 SN16)
Classification: Main-belt Asteroid          SPK-ID: 2058176
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2167886166799782 8.3875e-08  
a 2.298407896880763 1.4512e-08 AU
q 1.800139228349644 1.9552e-07 AU
i 4.110552568639992 7.5857e-06 deg
node 28.04959538447282 9.1672e-05 deg
peri 341.7612214709127 9.2816e-05 deg
M 267.1472861054312 1.3925e-05 deg
tp 2457128.769992781686
(2015-Apr-16.26999278)
5.0642e-05 JED
period 1272.738215660485
3.48
1.2054e-05
3.3e-08
d
yr
n .282854710866978 2.6788e-09 deg/d
Q 2.796676565411881 1.7658e-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 = .799008 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-29 06:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin