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 ]  
213504 (2002 GM81)
Classification: Main-belt Asteroid          SPK-ID: 2213504
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896618099512978 3.2807e-08  
a 2.264935956792108 9.7098e-09 au
q 1.835364103803142 7.5098e-08 au
i 10.52194469428229 5.6641e-06 deg
node 171.1291540520654 2.4525e-05 deg
peri 109.2676801786202 3.1434e-05 deg
M 114.0571836996017 2.2775e-05 deg
tp 2458806.040463992338
(2019-Nov-18.54046399)
7.7299e-05 TDB
period 1245.037167818956
3.41
8.0063e-06
2.192e-08
d
yr
n .2891479943772639 1.8594e-09 deg/d
Q 2.694507809781074 1.1551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      8830 days (24.18 yr)  
   first obs. used      1996-10-09  
   last obs. used      2020-12-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58303  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:57  

Additional Information
 Earth MOID = .849409 au 
 Jupiter MOID = 2.51987 au 
 T_jup = 3.571 
[ 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 16.98   n/a MPCxxxxx  

213504 (2002 GM81)          Discovered 2002-Apr-10 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 2002 GM81 = 1999 NS62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-16 00:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin