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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
192540 (1998 SN120)
Classification: Main-belt Asteroid          SPK-ID: 2192540
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1557623409442124 3.8241e-08  
a 2.203809856259272 1.026e-08 au
q 1.8605392740524 8.3206e-08 au
i 3.711605370756391 4.556e-06 deg
node 181.5280766896832 6.9479e-05 deg
peri 220.9936885428784 7.1558e-05 deg
M 320.7452917036179 2.0305e-05 deg
tp 2459526.801334053555
(2021-Nov-08.30133405)
6.7987e-05 TDB
period 1194.977170766629
3.27
8.3447e-06
2.285e-08
d
yr
n .301260985403633 2.1037e-09 deg/d
Q 2.547080438466145 1.1858e-08 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      8327 days (22.80 yr)  
   first obs. used      1998-09-20  
   last obs. used      2021-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5268  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:26:13  

Additional Information
 Earth MOID = .87011 au 
 Jupiter MOID = 2.84407 au 
 T_jup = 3.644 
[ 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 17.16   n/a E2021B55  

192540 (1998 SN120)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 1998 SN120 = 2000 GM120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-17 15:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin