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 ]  
181450 (2006 TF21)
Classification: Main-belt Asteroid          SPK-ID: 2181450
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04736911824325937 3.6578e-08  
a 2.47939220179305 1.5097e-08 au
q 2.3619455794149 9.6682e-08 au
i 6.460723055874951 4.6158e-06 deg
node 211.6339929743954 3.305e-05 deg
peri 77.15754572188486 6.2849e-05 deg
M 329.3517154430111 5.5982e-05 deg
tp 2459321.900351372258
(2021-Apr-17.40035137)
0.00022189 TDB
period 1425.989321286399
3.90
1.3025e-05
3.566e-08
d
yr
n .2524563084913149 2.3059e-09 deg/d
Q 2.5968388241712 1.5813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      8388 days (22.97 yr)  
   first obs. used      1997-06-05  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6204  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:40  

Additional Information
 Earth MOID = 1.3542 au 
 Jupiter MOID = 2.4608 au 
 T_jup = 3.469 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457359.5 (2015-Dec-03.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04716757564592968 3.6829e-08  
q 2.363671892797713 9.7401e-08 au
tp 2457890.093751192257
(2017-May-16.59375119)
0.00022006 TDB
node 211.6756989039878 3.3081e-05 deg
peri 75.6849780934017 6.2742e-05 deg
i 6.455990355201465 4.6135e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      8388 days (22.97 yr)  
   first obs. used      1997-06-05  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6204  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:40  

Additional Information
 Jupiter MOID = 2.4608 au 
 T_jup = 3.469 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.356378086995287E-15 -3.552010816058754E-15 -1.491368939316688E-12 -7.236718916853529E-15 -3.41726202379715E-13 -4.002410658518953E-16
q -3.552010816058754E-15 9.486936639259627E-15 3.994624819282598E-12 1.801528580090362E-14 9.006182465755154E-13 1.035580633072218E-15
tp -1.491368939316688E-12 3.994624819282598E-12 4.842552604088747E-8 1.152957985196513E-10 1.174105218839424E-8 -3.096774864416833E-12
node -7.236718916853529E-15 1.801528580090362E-14 1.152957985196513E-10 1.094328355928716E-9 -1.05877204019317E-9 1.158566327898523E-11
peri -3.41726202379715E-13 9.006182465755154E-13 1.174105218839424E-8 -1.05877204019317E-9 3.936553576641931E-9 -1.226183888759168E-11
i -4.002410658518953E-16 1.035580633072218E-15 -3.096774864416833E-12 1.158566327898523E-11 -1.226183888759168E-11 2.128395929287427E-11

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 16.48   n/a E2021B55  

181450 (2006 TF21)          Discovered 2006-Oct-11 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ 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-Jun-15 01:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin