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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1776457008646135 4.8161e-08  
a 3.171527536189049 4.1326e-08 au
q 2.608119304211325 1.5569e-07 au
i 3.758427638846651 8.3652e-06 deg
node 202.1081053511673 8.2988e-05 deg
peri 265.1248121813072 8.6137e-05 deg
M 214.0119688623089 2.5686e-05 deg
tp 2459837.096237887180
(2022-Sep-14.59623789)
0.00015528 TDB
period 2063.009161040927
5.65
4.0323e-05
1.104e-07
d
yr
n .1745023758490513 3.4107e-09 deg/d
Q 3.734935768166774 4.8667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      7142 days (19.55 yr)  
   first obs. used      1998-10-29  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63789  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:49:20  

Additional Information
 Earth MOID = 1.62828 au 
 Jupiter MOID = 1.43934 au 
 T_jup = 3.174 
[ 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 15.8   n/a MPO433485  

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 1.46703811226136 1.46703737730824 1.46703884721681 0.993153862073665 n/a 2415686.493817694 6.11590313592028 166.646928129633 30.2187627404003 82.730901834486 7203750.91408896 F 15 CATAB v2.0e-lin.ifort 2018-May-31 16:49:24 2018-Dec-17 22:37
1912-Jun-16 21:08 00:05 Jupiter 1.70653311009988 1.70652986696331 1.70653635322403 1.8018027495593 1.50126978070751 2419570.380852348 5.4620552832616 176.465392567931 107.417832753808 -53.6134504978962 459355.563168774 T 15 CATAB v2.0e-lin.ifort 2018-May-31 16:49:24 2018-Dec-17 22:37
1987-Jul-15 08:43 00:02 Jupiter 1.97361735950479 1.97361576341736 1.97361895559312 3.83919077635347 3.72572685455001 2446991.862919781 1.87460346659244 118.596658885949 33.5001149268064 60.7108442165308 1454392.61156265 T 15 CATAB v2.0e-lin.ifort 2018-May-31 16:49:24 2018-Dec-17 22:37
1998-Feb-04 18:48 00:01 Jupiter 1.59133060450842 1.59132943290578 1.59133177610726 1.65663635815392 1.2961087032323 2450849.283203117 1.37824308557912 172.584653066276 149.398694181591 5.21390304338352 717804.854225766 T 15 CATAB v2.0e-lin.ifort 2018-May-31 16:49:24 2018-Dec-17 22:37
2008-Sep-08 06:31 < 00:01 Jupiter 1.46334757045307 1.4633469553079 1.46334818559867 0.943280077389073 n/a 2454717.771818339 0.602566074346046 113.125509586927 28.6161356299428 84.2063778172058 7610933.52759818 F 15 CATAB v2.0e-lin.ifort 2018-May-31 16:49:24 2018-Dec-17 22:37
2019-Apr-23 11:55 < 00:01 Jupiter 1.72314975445537 1.72314891919327 1.72315058971659 1.82640644155087 1.53383535935252 2458596.996366360 0.536090845527805 102.84421839272 53.1358962341256 67.9554346376694 1281636.34644401 T 15 CATAB v2.0e-lin.ifort 2018-May-31 16:49:24 2018-Dec-17 22:37
2094-May-15 23:12 00:04 Jupiter 1.95108641365146 1.951084030784 1.95108879652446 3.72648977486453 3.60811151948313 2486013.466444183 3.93565539332218 216.650958131947 32.2670409833218 65.5974486887031 1480155.22070114 T 15 CATAB v2.0e-lin.ifort 2018-May-31 16:49:24 2018-Dec-17 22:37
2104-Dec-04 16:22 00:05 Jupiter 1.56466656801248 1.56466470234313 1.56466843367357 1.60086494472854 1.21658580026976 2489868.182289839 4.71257658701091 465.632070632271 184.069719886885 -24.0163236413487 479266.148493211 T 15 CATAB v2.0e-lin.ifort 2018-May-31 16:49:24 2018-Dec-17 22:37
2115-Jul-09 11:07 00:05 Jupiter 1.46550108035966 1.46549990226611 1.46550225845588 0.920716267041988 n/a 2493736.963467012 5.2068503438826 138.268108653782 36.1521607609949 69.6980682789449 5712095.41135714 F 15 CATAB v2.0e-lin.ifort 2018-May-31 16:49:24 2018-Dec-17 22:37
2126-Feb-14 02:32 00:06 Jupiter 1.75302714673974 1.75302349961206 1.75303079385557 1.90085598948435 1.62692942624665 2497609.605577754 6.02411650775537 188.150048996545 61.8454569041302 -69.0049896335762 526185.286036094 T 15 CATAB v2.0e-lin.ifort 2018-May-31 16:49:24 2018-Dec-17 22:37

Alternate Designations
 2004 TN4 = 2006 CA31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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