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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
226854 (2004 TN4)
Classification: Main-belt Asteroid          SPK-ID: 2226854
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1789672716362269 4.6326e-08  
a 3.165315019361602 3.5102e-08 au
q 2.598827226477285 1.53e-07 au
i 3.764430299919811 6.5723e-06 deg
node 201.995279262956 8.0752e-05 deg
peri 265.7742957279154 8.3323e-05 deg
M 282.6990094630044 2.5804e-05 deg
tp 2459838.178635898917
(2022-Sep-15.67863590)
0.00015232 TDB
period 2056.950471385126
5.63
3.4216e-05
9.368e-08
d
yr
n .1750163676802487 2.9113e-09 deg/d
Q 3.731802812245919 4.1384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      7990 days (21.88 yr)  
   first obs. used      1998-10-29  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60842  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:49:10  

Additional Information
 Earth MOID = 1.6193 au 
 Jupiter MOID = 1.44065 au 
 T_jup = 3.175 
[ 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 15.91   n/a E2021B55  

226854 (2004 TN4)          Discovered 2004-Oct-04 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ 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
1901-Oct-28 23:51 00:06 Jupiter 1.46703817412971 1.46703749060157 1.46703885765907 0.993154192579885 n/a 2415686.493434047 5.82818233111344 140.886420870261 29.8206427407098 83.1144446412753 7306428.55296698 F 18 CATAB v2.0g-lin.ifort 2021-Jul-09 03:49:11 2021-Jul-09 03:49
1912-Jun-16 21:08 00:05 Jupiter 1.70653332014012 1.70653014579253 1.70653649447596 1.8018040205517 1.50127134865275 2419570.380549110 5.22290310193278 169.709019147638 84.5187113609973 -50.3258118490099 520531.546469725 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 03:49:11 2021-Jul-09 03:49
1987-Jul-15 08:42 00:02 Jupiter 1.973617311849 1.97361573820801 1.97361888549099 3.83919075660548 3.72572683205551 2446991.862846046 1.82894544703249 114.804016709646 28.8891180424378 59.0670338112337 1740698.44210639 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 03:49:11 2021-Jul-09 03:49
1998-Feb-04 18:48 00:01 Jupiter 1.59133059899084 1.59132945971172 1.59133173826643 1.65663608306745 1.29610835247207 2450849.283144461 1.35738262504983 170.059412979902 123.289649132381 -4.43002107247427 736119.754263307 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 03:49:11 2021-Jul-09 03:49
2008-Sep-08 06:31 < 00:01 Jupiter 1.46334761846274 1.46334708153637 1.46334815538917 0.943280064632368 n/a 2454717.771748341 0.588742610178145 90.864046422593 26.4114173699694 87.1033654022217 8276191.20733054 F 18 CATAB v2.0g-lin.ifort 2021-Jul-09 03:49:11 2021-Jul-09 03:49
2019-Apr-23 11:55 < 00:01 Jupiter 1.72314981614381 1.72314920918682 1.72315042310041 1.82640712108531 1.53383618174785 2458596.996305636 0.394521837285119 85.0830572787776 47.0884530499215 76.7762289754132 1686810.34717331 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 03:49:11 2021-Jul-09 03:49
2094-May-15 23:11 00:04 Jupiter 1.95108620558076 1.95108419025862 1.95108822090789 3.72648889909276 3.60811060281153 2486013.466235588 3.61838685972544 196.681817711229 26.6722862476725 67.3969604161278 1879009.55611529 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 03:49:11 2021-Jul-09 03:49
2104-Dec-04 16:22 00:04 Jupiter 1.56466643340434 1.56466482343213 1.56466804337095 1.60086415043996 1.21658471926895 2489868.182066455 4.34541138153225 419.156317273996 153.213176189519 -24.2362709621508 569211.751107762 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 03:49:11 2021-Jul-09 03:49
2115-Jul-09 11:07 00:05 Jupiter 1.46550122716601 1.46550018592338 1.46550226841056 0.920716396489654 n/a 2493736.963150768 4.8287632415464 120.443161018016 33.2407617663971 69.8453990135126 6221069.10824787 F 18 CATAB v2.0g-lin.ifort 2021-Jul-09 03:49:11 2021-Jul-09 03:49
2126-Feb-14 02:31 00:06 Jupiter 1.75302755244641 1.75302432167138 1.75303078321268 1.90085786106994 1.62693168332411 2497609.605174453 5.5847058362444 173.001841161297 46.7971406102429 -68.4645309165981 665449.777513159 T 18 CATAB v2.0g-lin.ifort 2021-Jul-09 03:49:11 2021-Jul-09 03:49

Alternate Designations
 2004 TN4 = 2006 CA31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 11:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin