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 ]  
212788 (2007 TK221)
Classification: Main-belt Asteroid          SPK-ID: 2212788
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779204177499933 8.7561e-08  
a 2.462380897170173 1.685e-08 au
q 2.024273059286053 2.0614e-07 au
i 1.397589051559371 6.4278e-06 deg
node 28.1226397964437 0.0001589 deg
peri 21.68939823262721 0.00016091 deg
M 59.21591231892459 1.6715e-05 deg
tp 2458768.350795004975
(2019-Oct-11.85079500)
6.668e-05 TDB
period 1411.338785900962
3.86
1.4487e-05
3.966e-08
d
yr
n .2550769550134522 2.6182e-09 deg/d
Q 2.900488735054294 1.9848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      6946 days (19.02 yr)  
   first obs. used      2001-01-21  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:50:34  

Additional Information
 Earth MOID = 1.03474 au 
 Jupiter MOID = 2.47282 au 
 T_jup = 3.467 
[ 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 17.2   n/a MPO503081  

212788 (2007 TK221)          Discovered 2007-Oct-09 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1902-Mar-05 00:15 00:07 Iris 0.0161258662142895 0.016105402901428 0.0161463538696703 1.98460175481088 1.98460157518181 2415813.510081245 6.54760923687614 1419.03069580266 59.2721887784558 -44.1546029269968 28314.4142340326 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 02:50:49 2020-Feb-25 02:50
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-09 15:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin