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JPL Small-Body Database Browser
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(2015 TN21)
Classification: Apollo [NEO]          SPK-ID: 3729136
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4624276478630139 0.00022581  
a 1.345290623836514 0.00039803 au
q .723191044963628 8.9974e-05 au
i 2.225657961294531 0.0012042 deg
node 13.57249907075126 0.00010551 deg
peri 86.46154757508056 0.001576 deg
M 315.6675038014915 0.46292 deg
tp 2459070.684673613184
(2020-Aug-09.18467361)
0.76401 TDB
period 569.9314197786173
1.56
0.25294
0.0006925
d
yr
n .6316549456772141 0.00028033 deg/d
Q 1.967390202709399 0.00058209 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      2 days  
   first obs. used      2015-10-08  
   last obs. used      2015-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .41416  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:31:34  

Additional Information
 Earth MOID = .00265204 au 
 Jupiter MOID = 3.21423 au 
 T_jup = 4.769 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 27.2   n/a E2015T79  

[ 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
1959-Apr-15 01:54 7_10:53 Earth 0.456418131640028 0.246814393883506 0.666023189419074 26.4612949150637 26.4610742974487 2436673.579083976 10733.4284360872 10452195.531235 187.683423565311 -0.309591409751386 1782.33968461651 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
1960-Jun-01 21:44 1_16:04 Mars 0.0934720732985197 0.0107610495746127 0.264689352195045 10.959735162953 10.9594556964322 2437087.405547198 2404.09733772744 8558031.81878887 188.442556916589 6.61373924967689 8585.09338964646 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
1963-Sep-25 05:58 7_00:37 Earth 0.279527841128789 0.108074289918576 0.450975672466845 21.1354065749934 21.1349555700383 2438297.748606656 10117.4482342095 8549320.26149205 9.85270779211865 -0.0338688864726237 1564.29056562084 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
1974-Oct-07 09:06 16:27 Earth 0.051190648257743 0.0343302735368662 0.0680572754036677 14.3864556548732 14.3828372052064 2442327.878976093 986.800234202708 841387.816299079 26.3727046556279 -1.90676302916302 8630.29329084878 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
1976-Jul-05 21:55 3_03:19 Venus 0.0195767152623192 0.0110789363460517 0.0293105201373247 8.06485197404542 8.05108610838708 2442965.413102257 4519.13844778235 517535.776667722 570.481038754402 -25.0780006815872 2200.53630277285 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
1976-Nov-03 18:45 04:08 Mars 0.0580175704875014 0.0501464373409795 0.0668010082355385 13.4638068981967 13.4634403891616 2443086.281044096 248.247542680193 551876.482620441 232.24157008718 40.6818574346265 25019.4600041999 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
1978-Mar-19 15:13 2_19:11 Earth 0.0322782771786737 0.00922614265854548 0.0685953401433164 11.9691928770457 11.9622942555275 2443587.134031912 4031.47244642089 1847248.56434928 182.83778447289 16.6315544458406 8270.09543298299 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
1987-Jun-27 11:00 5_09:03 Venus 0.137498729494122 0.0579041137824899 0.222948192314553 14.088259511899 14.0871384484397 2446973.958592142 7743.39557265203 4353928.48922396 74.1288629708341 -15.1613097933625 58921.8550301497 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
1989-Apr-03 15:12 3_10:41 Earth 0.2278419093731 0.149924361961015 0.305782697404809 19.6401816995451 19.6395862570479 2447620.133156999 4961.4848519623 3887706.39664953 175.414581573493 -1.63238820725489 5122.92164048686 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2000-Apr-15 20:28 2_16:11 Earth 0.477511266548159 0.400800062890091 0.554222261222381 27.0966857202 27.096479792765 2451650.353103692 3850.63395496199 3825239.92940821 168.832862582078 0.0438192490243624 258.594552148584 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2001-Oct-09 09:14 5_21:59 Venus 0.119516623507231 0.0295667532244263 0.20949219094275 13.4559407484703 13.4545903922281 2452191.884445557 8519.48225565056 4486928.01891213 246.786560015272 1.00715601437778 1086.18673233004 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2004-Sep-26 17:10 2_21:00 Earth 0.243485080211527 0.178680389715975 0.308289028741957 20.0899053807803 20.0893606674562 2453275.215587636 4140.34700235809 3231459.89350336 10.604047136596 -0.0120767187226275 10.3712078328542 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2009-Apr-27 18:33 04:57 Mars 0.0495354852919807 0.0163404517808865 0.0853659421053065 11.7059002034482 11.7054064682302 2454949.272963284 296.609731226718 1814065.5992782 162.503298648157 13.1077267202968 10272.7529075648 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2012-Sep-29 21:45 6_00:32 Venus 0.0352794240048038 0.0200385913948539 0.0548974889240384 8.31772251160994 8.31031902398708 2456200.406310460 8672.40963316056 1073109.26357563 161.159505289941 -30.7017808166668 10501.3873130897 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2015-Oct-10 22:17 < 00:01 Earth 0.00596659197590398 0.00595776524847132 0.00597541856756894 13.0558115452589 13.0215622088667 2457306.428248700 0.0482320867871771 437.849546748146 3.0830191773431 -0.104471255312552 1421.46219130954 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2015-Oct-11 05:33 < 00:01 Moon 0.00545071901930445 0.00544211186383874 0.00545932626712992 12.8181065195071 12.8176374372064 2457306.731460755 0.67693346376471 430.662355632674 3.85551063655076 -4.76054313644439 16581.6299281335 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2019-Feb-21 07:22 7_20:53 Earth 0.185892538200352 0.168663784783486 0.203173986267392 9.10249777808493 9.10092297089958 2458535.806888218 11332.627099167 874485.337860739 319.800305597682 -10.1311386603008 15408.9832873776 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2026-Sep-16 02:28 3_02:34 Earth 0.471322604695724 0.383730974128595 0.558913941308749 26.8735515146181 26.8733411509561 2461299.602985463 4473.80493722221 4367793.70734485 19.8459802360436 0.0147084752692069 492.578160207341 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2028-Feb-15 17:26 2_06:36 Mars 0.0518209794314943 0.0119289603675161 0.137939285178224 13.3507512473294 13.3503374367436 2461817.226425463 3275.93928046492 4338023.32946324 153.134916549032 -13.3130814014439 11404.7144319116 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2033-Mar-28 01:09 7_07:56 Earth 0.0759127972765298 0.00685338370089293 0.209367018893353 15.1269981070439 15.1246776265556 2463684.548138899 10556.2111441885 6664626.2191746 168.544599434159 -5.19241450402625 5895.17284663642 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2044-Feb-23 10:37 5_23:46 Earth 0.182656637957491 0.179907585829956 0.185457304265885 9.02506260303319 9.02344614077637 2467668.942218700 8625.51168592698 206408.738998231 2722.00324445445 -47.7984104551503 7673.83264457245 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2080-Apr-19 20:30 3_11:32 Mars 0.0872955912220504 0.045609203622142 0.136566168191341 13.9551210038244 13.9548859951318 2480874.354011936 5011.51046349356 2612494.26329346 170.558955256886 25.0722999383722 33139.488710878 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2101-Jun-25 17:19 4_09:31 Mars 0.0414926002508785 0.0157158280985359 0.183143286825661 13.1242868912456 13.1237611542753 2488610.221282000 6331.27200570102 7184111.88667379 248.621142933074 -22.2659954986862 9280.41186080215 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2104-Sep-25 21:59 3_23:29 Earth 0.299875253459818 0.212808802371792 0.387193823295072 21.7447365851467 21.7443279632284 2489798.416089748 5728.61278943127 4369508.60643964 234.26962955669 -5.45780328254283 16231.1317084691 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2107-Sep-28 14:59 2_05:02 Earth 0.418592699364485 0.415017410873559 0.422358919161583 6.15130646990291 6.15027159018373 2490896.124271186 3182.03679830353 482024.684093848 2886.4125641073 67.6384354973892 105040.34228256 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2107-Dec-21 18:55 1_19:41 Earth 0.257652578515619 0.253674918070965 0.261651624427228 11.8231626925918 11.8222879903025 2490980.287988735 2620.96746924757 230774.970005451 295.084847210154 -30.4899654393779 25209.9878507505 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2111-Apr-03 16:00 3_23:49 Earth 0.149971958876109 0.0343733658560396 0.265900085263576 17.2999891588488 17.2989621614287 2492179.166362567 5748.65106601416 5783290.60648847 399.350333016423 2.25235323574422 2047.55382294319 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
2153-Mar-31 17:04 4_04:20 Earth 0.0957048511494744 0.0885322322173588 0.102999315585974 15.6999755953743 15.6982022065967 2507517.211429896 6020.13515461241 398897.551949681 527.769392139467 25.2402781594283 11990.8721138284 T 6 CATAB v2.0e-lin.ifort 2017-Nov-30 07:41:29 2018-Dec-11 16:44
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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