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 ]  
22404 (1995 ME4)
Classification: Jupiter Trojan          SPK-ID: 2022404
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212305150316863 5.2903e-08  
a 5.274918319241423 1.3219e-07 au
q 4.635437254649708 3.6172e-07 au
i 9.288608391972557 4.709e-06 deg
node 256.3271047328411 4.3173e-05 deg
peri 179.1071875676663 5.5041e-05 deg
M 285.5230169411524 3.8608e-05 deg
tp 2460115.964716397171
(2023-Jun-20.46471640)
0.00049897 TDB
period 4425.089260699182
12.12
0.00016634
4.554e-07
d
yr
n .08135429113199821 3.058e-09 deg/d
Q 5.914399383833138 1.4821e-07 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      9293 days (25.44 yr)  
   first obs. used      1995-06-29  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48264  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:05:34  

Additional Information
 Earth MOID = 3.65018 au 
 Jupiter MOID = .446576 au 
 T_jup = 2.959 
[ 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 12.04   n/a E2021B10  

22404 (1995 ME4)          Discovered 1995-Jun-29 by Spacewatch at Kitt Peak
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 ME4 = 1995 OK2 = 2000 AO110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 06:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin