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249640 (1999 TW168)
Classification: Main-belt Asteroid          SPK-ID: 2249640
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1408391225400462 4.5857e-08  
a 3.170938887444631 2.816e-08 au
q 2.724346636908818 1.4713e-07 au
i 4.424639484654544 5.1909e-06 deg
node 235.2267259041029 6.1156e-05 deg
peri 165.031374253568 6.3757e-05 deg
M 223.5452623197881 2.0794e-05 deg
tp 2459782.247233676636
(2022-Jul-21.74723368)
0.00012611 TDB
period 2062.434833029624
5.65
2.7474e-05
7.522e-08
d
yr
n .1745509696765431 2.3252e-09 deg/d
Q 3.617531137980443 3.2126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      7581 days (20.76 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58537  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:16:21  

Additional Information
 Earth MOID = 1.73284 au 
 Jupiter MOID = 1.79001 au 
 T_jup = 3.182 
[ 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 15.4   n/a MPO437159  

249640 (1999 TW168)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ 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
1913-Jun-01 06:27 00:04 Jupiter 1.9000020117555 1.90000079729472 1.90000322621586 3.05087179235323 2.90107169666677 2419919.768569900 4.36419452476867 57.8196218910872 40.5286260705025 -76.7059003725455 1220019.61150758 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 00:16:22 2020-Nov-12 00:16
1924-Mar-18 16:55 00:04 Jupiter 1.82748040300569 1.82747986880299 1.82748093720985 2.65741530952516 2.47686740892185 2423863.204753039 3.68330266652879 148.998189388483 15.3474697684756 -88.6036810386034 2722126.12811309 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 00:16:22 2020-Nov-12 00:16
1935-Jan-14 17:26 00:03 Jupiter 1.86339375033633 1.8633931303422 1.86339437033247 2.53533187242567 2.34921041602913 2427817.226274343 3.11053869811036 155.138534226977 15.8104452335457 82.0188716238961 2570864.80513457 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 00:16:22 2020-Nov-12 00:16
1945-Nov-07 16:58 00:03 Jupiter 1.99097787402158 1.99097699620988 1.99097875183531 2.73099332085107 2.57049872905026 2431767.207274346 2.63264211122419 130.885991749076 13.6835822795422 78.2473154591293 2723399.35927443 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 00:16:22 2020-Nov-12 00:16
2032-Apr-10 20:20 < 00:01 Jupiter 1.89950086872485 1.89950042323447 1.89950131421524 3.03368769790739 2.88295406034389 2463333.347132326 0.801871445619309 56.7737303732801 15.9630451497662 -85.4221122458092 3243296.8794722 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 00:16:22 2020-Nov-12 00:16
2043-Jan-24 15:01 00:01 Jupiter 1.8175773284737 1.81757689031703 1.81757776663027 2.64311906211092 2.46049664420882 2467274.125952001 1.27320314433295 69.1150342125241 15.1719911310072 85.791483101225 2711291.49822013 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 00:16:22 2020-Nov-12 00:16
2053-Nov-21 09:00 00:02 Jupiter 1.84718147319435 1.84718088268082 1.84718206370841 2.5586487126888 2.37267486068484 2471227.875275534 1.7950870315854 95.3075872983398 16.5711252387085 79.9062588876924 2539677.83523554 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 00:16:22 2020-Nov-12 00:16
2064-Sep-16 06:16 00:02 Jupiter 1.97869342384026 1.97869262128819 1.9786942263938 2.75591818029136 2.59594717972102 2475179.761346433 2.36087260859385 117.02208829547 15.0981644188051 76.9615396356727 2785255.10815645 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 00:16:22 2020-Nov-12 00:16
2151-Feb-28 06:32 00:06 Jupiter 1.90077563555952 1.90077442095074 1.90077685016958 3.02982380414255 2.87899174463489 2506754.772304994 6.02439978524323 126.804680819327 24.9109843330092 76.6457062884648 1905950.92287066 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 00:16:22 2020-Nov-12 00:16
2161-Dec-09 18:50 00:06 Jupiter 1.80878433737313 1.8087838383189 1.80878483642879 2.61331544355677 2.42751974123818 2510692.284787864 6.27471901123681 166.526437552824 14.7999520945551 -88.6054841621839 2758077.49434387 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 00:16:22 2020-Nov-12 00:16
2172-Oct-05 13:04 00:07 Jupiter 1.82928709486289 1.82928591342612 1.82928827631577 2.56446728423698 2.37706205638839 2514645.044133492 6.66080311702654 312.399115288091 16.2159434736871 81.2238637311283 2508852.55302118 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 00:16:22 2020-Nov-12 00:16
2183-Aug-03 07:33 00:07 Jupiter 1.96175468093165 1.96175251567546 1.96175684620769 2.77562182836464 2.61544277719006 2518598.814925984 7.26952747863533 347.001374390936 16.3262856715497 75.960310835952 2746384.60951855 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 00:16:22 2020-Nov-12 00:16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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