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 ]  
20146 (1996 SM7)
Classification: Main-belt Asteroid          SPK-ID: 2020146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799872045573281 3.3152e-08  
a 2.221662853564411 6.0939e-09 au
q 1.821791967082496 7.269e-08 au
i 4.227280811268194 3.5015e-06 deg
node 286.1600708589639 4.8131e-05 deg
peri 356.353576513028 4.927e-05 deg
M 173.2028478474397 1.0232e-05 deg
tp 2458618.573432509185
(2019-May-15.07343251)
3.435e-05 TDB
period 1209.527250274887
3.31
4.9765e-06
1.362e-08
d
yr
n .297636948583162 1.2246e-09 deg/d
Q 2.621533740046326 7.1907e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1483  
   data-arc span      24597 days (67.34 yr)  
   first obs. used      1953-09-16  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50412  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:14:12  

Additional Information
 Earth MOID = .803442 au 
 Jupiter MOID = 2.52063 au 
 T_jup = 3.624 
[ 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 15.2   n/a MPO502319  

20146 (1996 SM7)          Discovered 1996-Sep-30 by Kamel, L., Lundgren, K. at Uppsala
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 SM7 = 1999 NC1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-18 22:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin