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487996 (2015 TW341)
Classification: Main-belt Asteroid          SPK-ID: 2487996
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2144751892066899 7.1348e-08  
a 2.857984531570688 9.5625e-08 au
q 2.245017758412272 2.4221e-07 au
i 17.59637500971872 1.1587e-05 deg
node 98.9556577388864 5.1973e-05 deg
peri 326.8187558837794 0.00025736 deg
M 299.6886403455134 0.00024289 deg
tp 2459296.154746908967
(2021-Mar-22.65474691)
0.0012044 TDB
period 1764.770509187323
4.83
8.8571e-05
2.425e-07
d
yr
n .2039925294115324 1.0238e-08 deg/d
Q 3.470951304729104 1.1613e-07 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      5557 days (15.21 yr)  
   first obs. used      2001-12-11  
   last obs. used      2017-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .60988  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:11:12  

Additional Information
 Earth MOID = 1.2785 au 
 Jupiter MOID = 1.86771 au 
 T_jup = 3.201 
[ 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 16.9   n/a MPO399198  

487996 (2015 TW341)          Discovered 2001-Dec-11 by LINEAR at Socorro
Reference: Last Updated: 2017-03-14

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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
1912-Oct-11 08:59 01:37 Jupiter 1.88961368666542 1.88961225401123 1.88961512077203 4.07053277800663 3.9588803632155 2419686.874165647 96.6009550116687 6185.37178037832 57.4699926655697 89.5738223879506 1270350.38664411 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 12:30:29 2018-Dec-18 03:51
1937-Mar-30 13:58 01:17 Jupiter 1.91528642892382 1.91527431071199 1.91529855736227 4.37399998939243 4.27169631241314 2428623.081719438 77.2811848778015 7176.86358436025 89.1496605646251 85.1557983192014 1111387.6569089 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 12:30:29 2018-Dec-18 03:51
2043-May-02 12:49 00:10 Jupiter 1.88021953316677 1.88021600391889 1.88022306259441 4.14257212580806 4.03235926538659 2467372.034212387 9.91975462951221 1196.2050816644 97.2732459854216 83.4970682822419 850446.38281519 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 12:30:29 2018-Dec-18 03:51
2067-Oct-19 01:12 00:23 Jupiter 1.91420386191626 1.91419676328986 1.91421096054298 4.35885933884349 4.25613298638873 2476307.549699925 22.5438783050079 1619.73865851389 336.10543953219 -89.3668638561408 404756.559088875 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 12:30:29 2018-Dec-18 03:51
2173-Nov-21 17:19 01:38 Jupiter 1.86744036293723 1.86743436489384 1.86744636610807 4.19575135547573 4.0862184606043 2515057.221593340 98.4905058225369 5399.69409281593 108.841682542201 -87.7310376644648 858434.605957022 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 12:30:29 2018-Dec-18 03:51
2198-May-10 21:20 01:59 Jupiter 1.91966746103143 1.91966301189116 1.91967191445161 4.32965458479864 4.22651639792098 2523993.388994311 118.597916195382 10276.6556190496 190.368559463452 89.3482952466796 701020.613718122 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 12:30:29 2018-Dec-18 03:51

Alternate Designations
 2015 TW341 = 2001 XF80 = 2011 YN46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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