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 ]  
40733 (1999 SM17)
Classification: Main-belt Asteroid          SPK-ID: 2040733
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .147833114535805 3.7414e-08  
a 2.41780922914245 8.5177e-09 au
q 2.060376960444907 9.0781e-08 au
i 7.501362359753739 4.0187e-06 deg
node 121.8514650849537 2.7155e-05 deg
peri 248.663434957598 2.9714e-05 deg
M 162.4109585810824 1.2074e-05 deg
tp 2458380.995732661416
(2018-Sep-19.49573266)
4.5259e-05 TDB
period 1373.192660091027
3.76
7.2565e-06
1.987e-08
d
yr
n .2621627761803912 1.3854e-09 deg/d
Q 2.775241497839992 9.7769e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1712  
   data-arc span      8072 days (22.10 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:53:26  

Additional Information
 Earth MOID = 1.07323 au 
 Jupiter MOID = 2.70988 au 
 T_jup = 3.489 
[ 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 14.5   n/a MPO359000  
diameter diameter 2.830 km 0.533 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.461   0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

40733 (1999 SM17)          Discovered 1999-Sep-30 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 SM17 = 1998 HJ111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-25 05:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin