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 ]  
22213 (4322 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2022213
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318361942381422 4.1642e-08  
a 2.434058873268433 1.0931e-08 au
q 2.113161814865142 1.0574e-07 au
i 2.971418847739935 4.9512e-06 deg
node 158.1234371935922 7.2638e-05 deg
peri 71.13685397423181 7.5399e-05 deg
M 358.0321618285817 2.389e-05 deg
tp 2459208.081967602068
(2020-Dec-24.58196760)
9.2079e-05 TDB
period 1387.059350910494
3.80
9.3432e-06
2.558e-08
d
yr
n .2595418860510104 1.7483e-09 deg/d
Q 2.754955931671723 1.2372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      17974 days (49.21 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5487  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:02:34  

Additional Information
 Earth MOID = 1.10407 au 
 Jupiter MOID = 2.22937 au 
 T_jup = 3.492 
[ 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 15.66   n/a E2021B10  

22213 (4322 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-19 20:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin