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 ]  
227996 (2007 JM38)
Classification: Main-belt Asteroid          SPK-ID: 2227996
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07345774487371109 5.827e-08  
a 2.774415383743554 2.4508e-08 au
q 2.570613086310821 1.6489e-07 au
i 4.242800458607029 6.1371e-06 deg
node 198.6040897196035 8.544e-05 deg
peri 280.2214592628528 0.00010468 deg
M 77.98002242336041 5.4258e-05 deg
tp 2458834.874474439301
(2019-Dec-17.37447444)
0.00025664 TDB
period 1687.934744199572
4.62
2.2366e-05
6.123e-08
d
yr
n .2132783872345219 2.826e-09 deg/d
Q 2.978217681176287 2.6308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      8945 days (24.49 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57556  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:57  

Additional Information
 Earth MOID = 1.59075 au 
 Jupiter MOID = 2.08399 au 
 T_jup = 3.328 
[ 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 17.09   n/a E2021B55  

227996 (2007 JM38)          Discovered 2007-May-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-07 20:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin