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 ]  
181222 (2005 TN1)
Classification: Main-belt Asteroid          SPK-ID: 2181222
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09067024275138894 6.1326e-08  
a 3.140368628146438 3.3491e-08 au
q 2.855630642303554 2.1033e-07 au
i 8.572778263592252 9.5606e-06 deg
node 44.95983283106037 3.4163e-05 deg
peri 271.2391176726012 6.6037e-05 deg
M 315.8329725424441 5.4862e-05 deg
tp 2459449.881964969989
(2021-Aug-23.38196497)
0.00030954 TDB
period 2032.681675837734
5.57
3.2517e-05
8.903e-08
d
yr
n .1771059405313094 2.8332e-09 deg/d
Q 3.425106613989322 3.6528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      10272 days (28.12 yr)  
   first obs. used      1992-05-07  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61326  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:43  

Additional Information
 Earth MOID = 1.85755 au 
 Jupiter MOID = 1.85086 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457809.5 (2017-Feb-25.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08938080559892575 6.1654e-08  
q 2.860775903331692 2.1124e-07 au
tp 2457419.657401495749
(2016-Feb-01.15740150)
0.00031655 TDB
node 44.97371738034461 3.4145e-05 deg
peri 271.6335218282592 6.657e-05 deg
i 8.574082271144555 9.5618e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      10272 days (28.12 yr)  
   first obs. used      1992-05-07  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61326  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:43  

Additional Information
 Jupiter MOID = 1.85086 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.801161224354224E-15 -1.29224102244828E-14 9.142638243882272E-12 2.227961006107141E-15 1.779958570040557E-12 -9.006251060189916E-16
q -1.29224102244828E-14 4.462374590377571E-14 -3.01027461489422E-11 -1.38062380135254E-14 -5.8521400426822E-12 5.353825066791048E-15
tp 9.142638243882272E-12 -3.01027461489422E-11 1.002049039322947E-7 -7.188406304241739E-12 1.809928463719665E-8 4.875857837886196E-12
node 2.227961006107141E-15 -1.38062380135254E-14 -7.188406304241739E-12 1.165879023242032E-9 -1.153852537192956E-9 -1.455440811632632E-10
peri 1.779958570040557E-12 -5.8521400426822E-12 1.809928463719665E-8 -1.153852537192956E-9 4.431553502050522E-9 1.448760508933519E-10
i -9.006251060189916E-16 5.353825066791048E-15 4.875857837886196E-12 -1.455440811632632E-10 1.448760508933519E-10 9.142778803208898E-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 15.2   n/a MPO469951  
diameter diameter 5.881 km 0.336 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181222 (2005 TN1)          Discovered 2005-Oct-01 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 TN1 = 2003 FD80 
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-19 17:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin