Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
173802 (2001 SN228)
Classification: Main-belt Asteroid          SPK-ID: 2173802
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05185075302372665 6.8326e-08  
a 2.949455768646351 2.7686e-08 au
q 2.796524266031863 1.9223e-07 au
i 12.23263976813493 7.5765e-06 deg
node 24.04310860477305 2.3101e-05 deg
peri 26.69338469986571 7.1265e-05 deg
M 215.8440529879705 6.6376e-05 deg
tp 2459741.368826038186
(2022-Jun-10.86882604)
0.00034338 TDB
period 1850.16839680912
5.07
2.6051e-05
7.132e-08
d
yr
n .1945768831749971 2.7397e-09 deg/d
Q 3.102387271260839 2.9122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      8238 days (22.55 yr)  
   first obs. used      1996-10-16  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55229  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:42:24  

Additional Information
 Earth MOID = 1.80967 au 
 Jupiter MOID = 2.1248 au 
 T_jup = 3.234 
[ 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 15.4   n/a MPO254222  
diameter diameter 5.352 km 0.386 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173802 (2001 SN228)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-18 12:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin