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(2019 TR2)
Classification: Apollo [NEO]          SPK-ID: 3878582
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6046940641616447 0.00018797  
a 2.141644608834418 0.0009508 au
q .8466048263284579 2.6719e-05 au
i 12.69187452437754 0.0032508 deg
node 24.59701169820597 0.00064417 deg
peri 62.67840483685908 5.6903e-05 deg
M 55.65834429652142 0.036045 deg
tp 2458823.510576149445
(2019-Dec-06.01057615)
0.003244 TDB
period 1144.773409836808
3.13
0.76235
0.002087
d
yr
n .3144727130335073 0.00020942 deg/d
Q 3.436684391340378 0.0015257 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      26 days  
   first obs. used      2019-10-05  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .52229  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:44:47  

Additional Information
 Earth MOID = .0329616 au 
 Jupiter MOID = 2.01654 au 
 T_jup = 3.427 
[ 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 23.4   .30893 E2019-WE6 autocmod 2.8

[ 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
1900-Oct-28 10:20 7_10:52 Earth 0.0414198050578582 0.0192936339532122 0.109488376939979 13.8904985213671 13.8858666244124 2415320.930261206 10731.8076435339 3546825.54041565 13.4047068102572 27.7714917651368 212487.960251428 T 17 CATAB v2.0f-lin.ifort 2020-Sep-11 07:45:05 2020-Sep-11 07:45
1904-Mar-04 04:42 6_22:02 Earth 0.392532347217223 0.2851254842278 0.514254856789546 23.3832908387415 23.3830005474752 2416543.696030023 9961.84561827389 6836495.56202927 47.6785929203406 -31.6935872586663 584133.883432646 T 17 CATAB v2.0f-lin.ifort 2020-Sep-11 07:45:05 2020-Sep-11 07:45
2019-Oct-29 03:27 < 00:01 Earth 0.0496055008666444 0.0495642599349147 0.0496467417601976 13.8199046915723 13.816017476657 2458785.644090867 0.0351760828997443 2055.37201578706 7.1868908040079 0.20970421342284 3021.43768461284 T 17 CATAB v2.0f-lin.ifort 2020-Sep-11 07:45:05 2020-Sep-11 07:45
2023-Mar-06 20:24 1_23:54 Earth 0.388654653064231 0.355223502463442 0.423018443379799 23.6754887935142 23.6751992244337 2460010.350103464 2873.80644722403 1938840.14200372 44.2401964250635 -29.2073658787335 580822.249294612 T 17 CATAB v2.0f-lin.ifort 2020-Sep-11 07:45:05 2020-Sep-11 07:45
2113-Dec-14 16:42 1_17:34 Earth 0.224521783062303 0.222966905154777 0.226113226275333 11.3521331053755 11.351087671912 2493165.196019706 2493.88764506163 163006.278790388 49.6610268307052 -61.2311244524217 494570.012966231 T 17 CATAB v2.0f-lin.ifort 2020-Sep-11 07:45:05 2020-Sep-11 07:45
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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